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142 results on '"Malmgren, TGM"'

51. Energy dependence of inclusive spectra in e(+)e(-) annihilation

Author: Abreu, P Adan, W Adye, T Adzic, P Albrecht, Z and Alderweireld, T Alekseev, GD Alemany, R Allmendinger, T and Allport, PP Almehed, S Amaldi, U Amapane, N Amato, S and Anassontzis, EG Andersson, P Andreazza, A Andringa, S and Antilogus, P Apel, WD Arnoud, Y Asman, B Augustin, JE and Augustinus, A Baillon, P Bambade, P Barao, F and Barbiellini, G Barbier, R Bardin, DY Barker, G and Baroncelli, A Battaglia, M Baubillier, M Becks, KH and Begalli, M Behrmann, A Beilliere, P Belokopytov, Y and Belous, K Benekos, NC Benvenuti, AC Berat, C Berggren, M and Bertini, D Bertrand, D Besancon, M Bigi, M Bilenky, MS Bizouard, MA Bloch, D Blom, HM Bonesini, M and Bonivento, W Boonekamp, M Booth, PSL Borgland, AW and Borisov, G Bosio, C Botner, O Boudinov, E Bouquet, B and Bourdarios, C Bowcock, TJV Boyko, I Bozovic, I Bozzo, M and Branchini, P Brenke, T Brenner, RA Bruckman, P and Brunet, JM Bugge, L Buran, T Burgsmueller, T Buschbeck, B Buschmann, P Cabrera, S Caccia, M Calvi, M and Camporesi, T Canale, V Carena, F Carroll, L Caso, C and Gimenez, MVC Cattai, A Cavallo, FR Chabaud, V Chapkin, M and Charpentier, P Chaussard, L Checchia, P Chelkov, GA and Chierici, R Chliapnikov, P Chochula, P Chorowicz, V and Chudoba, J Cieslik, K Collins, P Contri, R Cortina, E and Cosme, G Cossutti, F Cowell, JH Crawley, HB and Crennell, D Crepe, S Crosetti, G Maestro, JC Czellar, S and Davenport, M Da Silva, W Deghorain, A Della Ricca, G and Delpierre, P Demaria, N De Angelis, A De Boer, W De Clercq, C De Lotto, B De Min, A De Paula, L Dijkstra, H and Di Ciaccio, L Dolbeau, J Doroba, K Dracos, M Drees, J Dris, M Duperrin, A Durand, JD Eigen, G Ekelof, T and Ekspong, G Ellert, M Elsing, M Engel, JP Erzen, B and Santo, ME Falk, E Fanourakis, G Fassouliotis, D and Fayot, J Feindt, M Fenyuk, A Ferrari, P Ferrer, A and Ferrer-Ribas, E Ferro, F Fichet, S Firestone, A and Flagmeyer, U Foeth, H Fokitis, E Fontanelli, F Franek, B and Frodesen, AG Fruhwirth, R Fulda-Quenzer, F Fuster, J and Galloni, A Gamba, D Gamblin, S Gandelman, M Garcia, C and Gaspar, C Gaspar, M Gasparini, U Gavillet, P Gazis, EN Gele, D Ghodbane, N Gil, I Glege, F Gokieli, R and Golob, B Gomez-Ceballos, G Goncalves, P Caballero, IG and Gopal, G Gorn, L Gorski, M Gouz, Y Gracco, V and Grahl, J Graziani, E Green, C Grimm, HJ Gris, P and Grosdidier, G Grzelak, K Gunther, M Guy, J Hahn, F and Hahn, S Haider, S Hallgren, A Hamacher, K Hansen, J and Harris, FJ Heising, S Hernandez, JJ Herquet, P Herr, H and Hessing, TL Heuser, JM Higon, E Holmgren, SO Holt, PJ Hoorelbeke, S Houlden, M Hrubec, J Huet, K and Hughes, GJ Hultqvist, K Jackson, JN Jacobsson, R and Jalocha, P Janik, R Jarlskog, C Jarlskog, G Jarry, P and Jean-Marie, B Johansson, EK Jonsson, P Joram, C Juillot, P Kapusta, F Karafasoulis, K Katsanevas, S Katsoufis, EC and Keranen, R Kersevan, BP Khomenko, BA Khovanski, NN and Kiiskinen, A King, B Kinvig, A Kjaer, NJ Klapp, O and Klein, H Kluit, P Kokkinias, P Koratzinos, M and Kostioukhine, V Kourkoumelis, C Kouznetsov, O Krammer, M and Kriznic, E Krstic, P Krumstein, Z Kubinec, P Kurowska, J and Kurvinen, K Lamsa, JW Lane, DW Langefeld, P Laugier, JP Lauhakangas, R Ledroit, F Lefebure, V Leinonen, L and Leisos, A Leitner, R Lenzen, G Lepeltier, V Lesiak, T and Lethuillier, M Libby, J Liko, D Lipniacka, A Lippi, I Loerstad, B Loken, JG Lopes, JH Lopez, JM and Lopez-Fernandez, R Loukas, D Lutz, P Lyons, L and MacNaughton, J Mahon, JR Maio, A Malek, A Malmgren, TGM and Maltezos, S Malychev, V Mandl, F Marco, J Marco, R and Marechal, B Margoni, M Marin, JC Mariotti, C Markou, A Martinez-Rivero, C Martinez-Vidal, F Garcia, SMI and Masik, J Mastroyiannopoulos, N Matorras, F Matteuzzi, C and Matthiae, G Mazzucato, F Mazzucato, M Mc Cubbin, M Mc Kay, R Mc Nulty, R Mc Pherson, G Meroni, C Meyer, WT and Migliore, E Mirabito, L Mitaroff, WA Moernmark, U Moa, T and Moch, M Moeller, R Moenig, K Monge, MR Moreau, X and Morettini, P Morton, G Mueller, U Muenich, K Mulders, M and Mulet-Marquis, C Muresan, R Murray, WJ Muryn, B and Myatt, G Myklebust, T Naraghi, F Nassiakou, M Navarria, FL Navas, S Nawrocki, K Negri, P Nemecek, S Neufeld, N Neumeister, N Nicolaidou, R Nielsen, BS Nikolenko, M and Nomokonov, V Normand, A Nygren, A Obraztsov, V and Olshevski, AG Onofre, A Orava, R Orazi, G Osterberg, K and Ouraou, A Paganoni, M Paiano, S Pain, R Paiva, R and Palacios, J Palka, H Papadopoulou, TD Papageorgiou, K and Pape, L Parkes, C Parodi, F Parzefall, U Passeri, A and Passon, O Pegoraro, M Peralta, L Pernicka, M Perrotta, A and Petridou, C Petrolini, A Phillips, HT Pierre, F and Pimenta, M Piotto, E Podobnik, T Pol, ME Polok, G and Poropat, P Pozdniakov, V Privitera, P Pukhaeva, N and Pullia, A Radojicic, D Ragazzi, S Rahmani, H Ratoff, PN and Read, AL Rebecchi, P Redaelli, NG Regler, M Reid, D and Reinhardt, R Renton, PB Resvanis, LK Richard, F and Ridky, J Rinaudo, G Rohne, O Romero, A Ronchese, P and Rosenberg, EI Rosinsky, P Roudeau, P Rovelli, T Royon, C and Ruhlmann-Kleider, V Ruiz, A Saarikko, H Sacquin, Y and Sadovsky, A Sajot, G Salt, J Sampsonidis, D Sannino, M and Schneider, H Schwemling, P Schwering, B Schwickerath, U and Schyns, MAE Scuri, F Seager, P Sedykh, Y Segar, AM and Sekulin, R Shellard, RC Sheridan, A Siebel, M and Simard, L Simonetto, F Sisakian, AN Smadja, G Smirnov, N and Smirnova, O Smith, GR Sopczak, A Sosnowski, R and Spassov, T Spiriti, E Sponholz, P Squarcia, S Stanescu, C Stanic, S Stevenson, K Stocchi, A Strauss, J and Strub, R Stugu, B Szczekowski, M Szeptycka, M Tabarelli, T Tchikilev, O Tegenfeldt, F Terranova, F Thomas, J and Timmermans, J Tinti, N Tkatchev, LG Todorova, S and Tomaradze, A Tome, B Tonazzo, A Tortora, L Transtromer, G Treille, D Tristram, G Trochimczuk, M Troncon, C and Tsirou, A Turluer, ML Tyapkin, IA Tzamarias, S Ullaland, O Uvarov, V Valenti, G Vallazza, E Van Apeldoorn, GW and Van Dam, P Van Eldik, J Van Lysebetten, A Van Remortel, N and Van Vulpen, I Vassilopoulos, N Vegni, G Ventura, L and Venus, W Verbeure, F Verlato, M Vertogradov, LS Verzi, V and Vilanova, D Vitale, L Vlasov, E Vodopyanov, AS and Vollmer, C Voulgaris, G Vrba, V Wahlen, H Walck, C and Weiser, C Wicke, D Wickens, JH Wilkinson, GR Winter, M and Witek, M Wolf, G Yi, J Yushchenko, O Zaitsev, A and Zalewska, A Zalewski, P Zavrtanik, D Zevgolatakos, E and Zimin, NI Zucchelli, GC Zumerle, G DELPHI Collaboration
Subjects: High Energy Physics::Experiment, Nuclear Experiment
Abstract: Inclusive charged hadron distributions as obtained from the DELPHI measurements at 130, 136, 161, 172 and 183 GeV are presented as a function of the variables rapidity, xi(p), p and transversal momenta. Data are compared with event generators and with MLLA calculations, in order to examine the hypothesis of local parton hadron duality. The differential momentum spectra show an indication for coherence effects in the production of soft particles. The relation between the energy dependence of the charged multiplicity and the rapidity distribution is examined. (C) 1999 Elsevier Science B.V. All rights reserved.
Published: 1999

52. Search for neutral Higgs bosons in e(+)e(-) collisions at root s=183 GeV

Author: Abreu, P Adam, W Adye, T Adzic, AP Ajinenko, I and Albrecht, Z Alderweireld, T Alekseev, GD Alemany, R and Allmendinger, T Allport, PP Almehed, S Amaldi, U Amato, S Anassontzis, EG Andersson, P Andreazza, A Andringa, S and Antilogus, P Apel, WD Arnoud, Y Asman, B Augustin, JE Augustinus, A Baillon, P Bambade, P Barao, F and Barbiellini, G Barbier, R Bardin, DY Barker, G and Baroncelli, A Battaglia, M Baubillier, M Becks, KH and Begalli, M Beilliere, P Belokopytov, Y Benvenuti, AC and Berat, C Berggren, M Bertini, D Bertrand, D Besancon, M and Bianchi, F Bigi, M Bilenky, MS Bizouard, MA Bloch, D and Blom, HM Bonesini, M Bonivento, W Boonekamp, M and Booth, PSL Borgland, AW Borisov, G Bosio, C Botner, O and Boudinov, E Bouquet, B Bourdarios, C Bowcock, TJV and Boyko, I Bozovic, I Bozzo, M Branchini, P Brenke, T and Brenner, RA Bruckman, P Brunet, JM Bugge, L Buran, T and Burgsmueller, T Buschmann, P Cabrera, S Caccia, M Calvi, M Camporesi, T Canale, V Carena, F Carroll, L Caso, C Gimenez, MVC Cattai, A Cavallo, FR Chabaud, V and Charpentier, P Chaussard, L Checchia, P Chelkov, GA and Chierici, R Chliapnikov, P Chochula, P Chorowicz, V and Chudoba, J Cieslik, K Collins, P Contri, R Cortina, E and Cosme, G Cossutti, F Cowell, JH Crawley, HB and Crennell, D Crepe, S Crosetti, G Maestro, JC Czellar, S and Davenport, M Da Silva, W Deghorain, A Della Ricca, G and Delpierre, P Demaria, N De Angelis, A De Boer, W De Brabandere, S De Clercq, C De Lotto, B De Min, A De Paula, L Dijkstra, H Di Ciaccio, L Dolbeau, J Doroba, K and Dracos, M Drees, J Dris, M Duperrin, A Durand, JD and Eigen, G Ekelof, T Ekspong, G Ellert, M Elsing, M and Engel, JP Erzen, B Santo, ME Falk, E Fanourakis, G and Fassouliotis, D Fayot, J Feindt, M Ferrari, P and Ferrer, A Ferrer-Ribas, E Fichet, S Firestone, A and Flagmeyer, U Foeth, H Fokitis, E Fontanelli, F Franek, B and Frodesen, AG Fruhwirth, R Fulda-Quenzer, F Fuster, J and Galloni, A Gamba, D Gamblin, S Gandelman, M Garcia, C and Gaspar, C Gaspar, M Gasparini, U Gavillet, P Gazis, EN Gele, D Gerdyukov, L Ghodbane, N Gil, I Glege, F and Gokieli, R Golob, B Gomez-Ceballos, G Goncalves, P and Caballero, IG Gopal, G Gorn, L Gorski, M Gouz, Y and Gracco, V Grahl, J Graziani, E Green, C Grimm, HJ and Gris, P Grosdidier, G Grzelak, K Gunther, M Guy, J and Hahn, F Hahn, S Haider, S Hallgren, A Hamacher, K and Hansen, J Harris, FJ Hedberg, V Heising, S Hernandez, JJ and Herquet, P Herr, H Hessing, TL Heuser, JM Higon, E and Holmgren, SO Holt, PJ Hoorelbeke, S Moulden, M and Hrubec, J Huet, K Hughes, GJ Hultqvist, K Jackson, JN and Jacobsson, R Jalocha, P Janik, R Jarlskog, C and Jarlskog, G Jarry, P Jean-Marie, B Johansson, EK and Jonsson, P Joram, C Juilllot, P Kapusta, F Karafasoulis, K Katsanevas, S Katsoufis, EC Keranen, R Kersevan, BP and Khomenko, BA Khovanski, NN Kiiskinen, A King, B and Kinvig, A Kjaer, NJ Klapp, O Klein, H Kluit, P and Kokkinias, P Koratzinos, M Kostioukhine, V Kourkoumelis, C and Kouznetsov, O Kriznic, E Krstic, J Krumstein, Z and Kubinec, P Kurowska, J Kurvinen, K Lamsa, JW Lane, DW and Langefeld, P Lapin, V Laugier, JP Lauhakangas, R and Leder, G Ledroit, F Lefebure, V Leinonen, L Leisos, A and Leitner, R Lenzen, G Lepeltier, V Lesiak, T and Lethuillier, M Libby, J Liko, D Lipniacka, A Lippi, I and Loerstad, B Loken, JG Lopes, JH Lopez, JM and Lopez-Fernandez, R Loukas, D Lutz, P Lyons, L and MacNaughton, J Mahon, JR Maio, A Malek, A Malmgren, TGM and Malychev, V Mandl, F Marco, J Marco, R Marechal, B and Margoni, M Marin, JC Mariotti, C Markou, A and Martinez-Rivero, C Martinez-Vidal, F Garcia, SMI Masik, J and Mastroyiannopoulos, N Matorras, F Matteuzzi, C Matthiae, G Mazzucato, F Mazzucato, M Mc Cubbin, M Mc Kay, R and Mc Nulty, R Mc Pherson, G Meroni, C Meyer, WT Miagkov, A and Migliore, E Mirabito, L Mitaroff, WA Mjoernmark, U and Moa, T Moch, M Moeller, R Moenig, K Monge, MR and Moreau, X Morettini, P Morton, G Mueller, U Muenich, K and Mulders, M Mulet-Marquis, C Muresan, R Murray, WJ and Muryn, B Myatt, G Myklebust, T Naraghi, F Navarria, FL and Navas, S Nawrocki, K Negri, P Neufeld, N Neumeister, N Nicolaidou, R Nielsen, BS Nikolenko, M Nomokonov, V and Normand, A Nygren, A Obraztsov, V Olshevski, AG and Onofre, A Orava, R Orazi, G Osterberg, K Ouraou, A and Paganoni, M Paiano, S Pain, R Paiva, R Palacios, J and Palka, H Papadopoulou, TD Papageorgiou, K Pape, L and Parkes, C Parodi, F Parzefall, U Passeri, A Passon, O and Pegoraro, M Peralta, L Pernicka, M Perrotta, A and Petridou, C Petrolini, A Phillips, HT Pierre, F Pimenta, M Piotto, E Podobnik, T Pol, ME Polok, G Poropat, P and Pozdniakov, V Privitera, P Pukhaeva, N Pullia, A and Radojicic, D Ragazzi, S Rahmani, H Rakoczy, D Ratoff, PN and Read, AL Rebecchi, P Redaelli, NG Regler, M Reid, D and Reinhardt, R Renton, PB Resvanis, LK Richard, F and Ridky, J Rinaudo, G Rohne, O Romero, A Ronchese, P and Rosenberg, EI Rosinsky, P Roudeau, P Rovelli, T Royon, C and Ruhlmann-Kleider, V Ruiz, A Saarikko, H Sacquin, Y and Sadovsky, A Sajot, G Salt, J Sampsonidis, D Sannino, M and Schneider, H Schwemling, P Schwickerath, U Schyns, MAE and Scuri, F Seager, P Sedykh, Y Segar, AM Sekulin, R and Shellard, RC Sheridan, A Siebel, M Simard, L and Simonetto, F Sisakian, AN Smadja, G Smirnova, O Smith, GR Sokolov, A Sopczak, A Sosnowski, R Spassov, T and Spiriti, E Sponholz, P Squarcia, S Stampfer, D Stanescu, C Stanic, S Stevenson, K Stocchi, A Strauss, J and Strub, R Stugu, B Szczekowski, M Szeptycka, M Tabarelli, T Tchikilev, O Tegenfeldt, F Terranova, F Thomas, J and Timmermans, J Tinti, N Tkatchev, LG Todorova, S and Tomaradze, A Tome, B Tonazzo, A Tortora, L Transtromer, G Treille, D Tristram, G Trochimczuk, M Troncon, C and Tsirou, A Turluer, ML Tyapkin, IA Tzamarias, S and Ueberschaer, B Ullaland, O Uvarov, V Valenti, G and Vallazza, E Vander Velde, C Van Apeldoorn, GW Van Dam, P and Van Eldik, J Van Lysebetten, A Van Vulpen, I Vassilopoulos, N Vegni, G Ventura, L Venus, W Verbeure, F Verlato, M Vertogradov, LS Verzi, V Vilanova, D Vitale, L and Vlasov, E Vodopyanov, AS Vollmer, C Voulgaris, G Vrba, V and Wahlen, H Walck, C Weiser, C Wicke, D Wickens, JH and Wilkinson, GR Winter, MN Witek, M Wolf, G Yi, J and Yushchenko, O Zalewska, A Zalewski, P Zavrtanik, D and Zevgolatakos, E Zimin, NI Zucchelli, GC Zumerle, G and DELPHI Collaboration
Subjects: Condensed Matter::Quantum Gases, High Energy Physics::Phenomenology, High Energy Physics::Experiment
Abstract: Neutral Higgs bosons were searched for in the data collected by DELPHI at a centre-of-mass energy of 183 GeV, corresponding to an integrated luminosity of 54 pb(-1). The production of the lightest neutral Higgs boson with either an on-shell Z boson or a neutral pseudo-scalar Higgs boson was analysed. Lower limits at the 95% confidence level were obtained on the Higgs boson masses. The limits are 85.7 GeV/c(2) for the Standard Model Higgs boson and 74.4 GeV/c(2) for the scalar and 75.3 GeV/c(2) for the pseudo-scalar Higgs bosons as predicted by the minimal super-symmetric extension of the Standard Model with commonly used assumptions on the model parameters, plus the assumption that the mass of the pseudo-scalar boson is greater than 20 GeV/c(2). These results significantly improve the limits reached with previous data.
Published: 1999

53. A search for invisible Higgs bosons produced in e(+)e(-) interactions at LEP 2 energies

Author: Abreu, P Adam, W Adye, T Adzic, P Albrecht, Z and Alderweireld, T Alekseev, GD Alemany, R Allmendinger, T and Allport, PP Almehed, S Amaldi, U Amapane, N Amato, S and Anassontzis, EG Andersson, P Andreazza, A Andringa, S and Antilogus, P Apel, WD Arnoud, Y Asman, B Augustin, JE and Augustinus, A Baillon, P Bambade, P Barao, F and Barbiellini, G Barbier, R Bardin, DY Barker, G and Baroncelli, A Battaglia, M Baubillier, M Becks, KH and Begalli, M Behrmann, A Beilliere, P Belokopytov, Y and Belous, K Benekos, NC Benvenuti, AC Berat, C Berggren, M and Bertini, D Bertrand, D Besancon, M Bigi, M Bilenky, MS Bizouard, MA Bloch, D Blom, HM Bonesini, M and Bonivento, W Boonekamp, M Booth, PSL Borgland, AW and Borisov, G Bosio, C Botner, O Boudinov, E Bouquet, B and Bourdarios, C Bowcock, TJV Boyko, I Bozovic, I Bozzo, M and Branchini, P Brenke, T Brenner, RA Bruckman, P and Brunet, JM Bugge, L Buran, T Burgsmueller, T Buschbeck, B Buschmann, P Cabrera, S Caccia, M Calvi, M and Camporesi, T Canale, V Carena, F Carroll, L Caso, C and Gimenez, MVC Cattai, A Cavallo, FR Chabaud, V Chapkin, M and Charpentier, P Chaussard, L Checchia, P Chelkov, GA and Chierici, R Chliapnikov, P Chochula, P Chorowicz, V and Chudoba, J Cieslik, K Collins, P Contri, R Cortina, E and Cosme, G Cossutti, F Cowell, JH Crawley, HB and Crennell, D Crepe, S Crosetti, G Maestro, JC Czellar, S and Davenport, M Da Silva, W Deghorain, A Della Ricca, G and Delpierre, P Demaria, N De Angelis, A De Boer, W De Clercq, C De Lotto, B De Min, A De Paula, L Dijkstra, H and Di Ciaccio, L Dolbeau, J Doroba, K Dracos, M Drees, J Dris, M Duperrin, A Durand, JD Eigen, G Ekelof, T and Ekspong, G Ellert, M Elsing, M Engel, JP Erzen, B and Santo, ME Falk, E Fanourakis, G Fassouliotis, D and Fayot, J Feindt, M Fenyuk, A Ferrari, P Ferrer, A and Ferrer-Ribas, E Ferro, F Fichet, S Firestone, A and Flagmeyer, U Foeth, H Fokitis, E Fontanelli, F Franek, B and Frodesen, AG Fruhwirth, R Fulda-Quenzer, F Fuster, J and Galloni, A Gamba, D Gamblin, S Gandelman, M Garcia, C and Gaspar, C Gaspar, M Gasparini, U Gavillet, P Gazis, EN Gele, D Ghodbane, N Gil, I Glege, F Gokieli, R and Golob, B Gomez-Ceballos, G Goncalves, P Caballero, IG and Gopal, G Gorn, L Gorski, M Gouz, Y Gracco, V and Grahl, J Graziani, E Green, C Grimm, HJ Gris, P and Grosdidier, G Grzelak, K Gunther, M Guy, J Hahn, F and Hahn, S Haider, S Hallgren, A Hamacher, K Hansen, J and Harris, FJ Hedberg, V Heising, S Hernandez, JJ Herquet, P Herr, H Hessing, TL Heuser, JM Higon, E Holmgren, SO Holt, PJ Hoorelbeke, S Houlden, M Hrubec, J Huet, K Hughes, GJ Hultqvist, K Jackson, JN Jacobsson, R and Jalocha, P Janik, R Jarlskog, C Jarlskog, G Jarry, P and Jean-Marie, B Johansson, EK Jonsson, P Joram, C Juillot, P Kapusta, F Karafasoulis, K Katsanevas, S Katsoufis, EC and Keranen, R Kersevan, BP Khomenko, BA Khovanski, NN and Kiiskinen, A King, B Kinvig, A Kjaer, NJ Klapp, O and Klein, H Kluit, P Kokkinias, P Koratzinos, M and Kostioukhine, V Kourkoumelis, C Kouznetsov, O Krammer, M and Kriznic, E Krstic, J Krumstein, Z Kubinec, P Kurowska, J and Kurvinen, K Lamsa, JW Lane, DW Langefeld, P Lapin, V and Laugier, JP Lauhakangas, R Leder, G Ledroit, F and Lefebure, V Leinonen, L Leisos, A Leitner, R Lemonne, J and Lenzen, G Lepeltier, V Lesiak, T Lethuillier, M and Libby, J Liko, D Lipniacka, A Lippi, I Loerstad, B and Loken, JG Lopes, JH Lopez, JM Lopez-Fernandez, R Loukas, D Lutz, P Lyons, L MacNaughton, J Mahon, JR Maio, A and Malek, A Malmgren, TGM Maltezos, S Malychev, V and Mandl, F Marco, J Marco, R Marechal, B Margoni, M and Marin, JC Mariotti, C Markou, A Martinez-Rivero, C and Martinez-Vidal, F Garcia, SMI Masik, J Mastroyiannopoulos, N and Matorras, F Matteuzzi, C Matthiae, G Mazzucato, F and Mazzucato, M Mc Cubbin, M Mc Kay, R Mc Nulty, R Mc Pherson, G Meroni, C Meyer, WT Migliore, E Mirabito, L and Mitaroff, WA Mjoernmark, U Moa, T Moch, M Moeller, R and Moenig, K Monge, MR Moreau, X Morettini, P Morton, G and Mueller, U Muenich, K Mulders, M Mulet-Marquis, C and Muresan, R Murray, WJ Muryn, B Myatt, G Myklebust, T and Naraghi, F Nassiakou, M Navarria, FL Navas, S Nawrocki, K Negri, P Nemecek, S Neufeld, N Neumeister, N and Nicolaidou, R Nielsen, BS Nikolenko, M Nomokonov, V and Normand, A Nygren, A Obraztsov, V Olshevski, AG Onofre, A Orava, R Orazi, G Osterberg, K Ouraou, A Paganoni, M Paiano, S Pain, R Paiva, R Palacios, J Palka, H and Papadopoulou, TD Papageorgiou, K Pape, L Parkes, C and Parodi, F Parzefall, U Passeri, A Passon, O Pegoraro, M and Peralta, L Pernicka, M Perrotta, A Petridou, C and Petrolini, A Phillips, HT Pierre, F Pimenta, M Piotto, E and Podobnik, T Pol, ME Polok, G Poropat, P Pozdniakov, V Privitera, P Pukhaeva, N Pullia, A Radojicic, D and Ragazzi, S Rahmani, H Ratoff, PN Read, AL Rebecchi, P and Redaelli, NG Reid, D Reinhardt, R Renton, PB and Resvanis, LK Richard, F Ridky, J Rinaudo, G Rohne, O and Romero, A Ronchese, P Rosenberg, EI Rosinsky, P Roudeau, P Rovelli, T Royon, C Ruhlmann-Kleider, V Ruiz, A and Saarikko, H Sacquin, Y Sadovsky, A Sajot, G Salt, J and Sampsonidis, D Sannino, M Schneider, H Schwemling, P and Schwering, B Schwickerath, U Schyns, MAE Scuri, F and Seager, P Sedykh, Y Segar, AM Sekulin, R Shellard, RC and Sheridan, A Siebel, M Simard, L Simonetto, F and Sisakian, AN Smadja, G Smirnov, N Smirnova, O Smith, GR and Sopczak, A Sosnowski, R Spassov, T Spiriti, E and Sponholz, P Squarcia, S Stanescu, C Stanic, S Stevenson, K Stocchi, A Strauss, J Strub, R Stugu, B and Szczekowski, M Szeptycka, M Tabarelli, T Tegenfeldt, F and Terranova, F Thomas, J Timmermans, J Tinti, N Tkatchev, LG Todorova, S Tomaradze, A Tome, B Tonazzo, A and Tortora, L Transtromer, G Treille, D Tristram, G and Trochimczuk, M Troncon, C Tsirou, A Turluer, ML Tyapkin, IA Tzamarias, S Ullaland, O Uvarov, V Valenti, G and Vallazza, E Vander Velde, C Van Apeldoorn, GW Van Dam, P and Van Doninck, WK Van Eldik, J Van Lysebetten, A Van Remortel, N Van Vulpen, I Vassilopoulos, N Vegni, G Ventura, L and Venus, W Verbeure, F Verlato, M Vertogradov, LS Verzi, V and Vilanova, D Vitale, L Vlasov, E Vodopyanov, AS and Vollmer, C Voulgaris, G Vrba, V Wahlen, H Walck, C and Weiser, C Wicke, D Wickens, JH Wilkinson, GR Winter, M and Witek, M Wolf, G Yi, J Yushchenko, O Zaitsev, A and Zalewska, A Zalewski, P Zavrtanik, D Zevgolatakos, E and Zimin, NI Zucchelli, GC Zumerle, G DELPHI Collaboration
Subjects: High Energy Physics::Phenomenology, High Energy Physics::Experiment
Abstract: Searches for HZ production with the Higgs boson decaying into an invisible final state have been performed with the data collected by the DELPHI experiment up to the centre-of-mass energy of 183 GeV. The hadronic and muon pair final states of the Z boson were analysed. From the absence of signal, upper limits on the cross-section and the corresponding Higgs boson mass limits were set at 95% confidence level. The results are interpreted as excluded parameter regions in the framework of the minimal supersymmetric standard model and in the simplest Majoron model with one Higgs doublet and one Higgs singlet field. (C) 1999 Elsevier Science B.V. All rights reserved.
Published: 1999

54. Search for lightest neutralino and stau pair production in light gravitino scenarios with stau NLSP

Author: Abreu, P Adam, W Adye, T Adzic, P Alderweireld, T and Alekseev, GD Alemany, R Allmendinger, T Allport, PP and Almehed, S Amaldi, U Amato, S Anassontzis, EG Andersson, P Andreazza, A Andringa, S Antilogus, P Apel, WD and Arnoud, Y Asman, B Augustin, JE Augustinus, A Baillon, P and Bambade, P Barao, F Barbiellini, G Barbier, R and Bardin, DY Barker, G Baroncelli, A Battaglia, M and Baubillier, M Becks, KH Begalli, M Beilliere, P and Belokopytov, Y Belous, K Benvenuti, AC Berat, C and Berggren, M Bertini, D Bertrand, D Besancon, M Bianchi, F Bigi, M Bilenky, MS Bizouard, MA Bloch, D Blom, HM and Bonesini, M Bonivento, W Boonekamp, M Booth, PSL and Borgland, AW Borisov, G Bosio, C Botner, O Boudinov, E and Bouquet, B Bourdarios, C Bowcock, TJV Boyko, I and Bozovic, I Bozzo, M Branchini, P Brenke, T Brenner, RA and Bruckman, P Brunet, JM Bugge, L Buran, T and Burgsmueller, T Buschmann, P Cabrera, S Caccia, M Calvi, M Rozas, AJC Camporesi, T Canale, V Carena, F and Carroll, L Caso, C Gimenez, MVC Cattai, A Cavallo, FR and Chabaud, V Chapkin, M Charpentier, P Chaussard, L and Checchia, P Chelkov, GA Chierici, R Chliapnikov, P and Chochula, P Chorowicz, V Chudoba, J Collins, P Colomer, M Contri, R Cortina, E Cosme, G Cossutti, F Cowell, JH Crawley, HB Crennell, D Crosetti, G Maestro, JC and Czellar, S Damgaard, G Davenport, M Da Silva, W and Deghorain, A Della Ricca, G Delpierre, P Demaria, N De Angelis, A De Boer, W De Brabandere, S De Clercq, C De Lotto, B De Min, A De Paula, L Dijkstra, H Eigen, G and Ekelof, T Ekspong, G Ellert, M Elsing, M Engel, JP and Erzen, B Santo, ME Falk, E Fanourakis, G Fassouliotis, D and Fayot, J Feindt, M Fenyuk, A Ferrari, P Ferrer, A and Ferrer-Ribas, E Fichet, S Firestone, A Fischer, PA and Flagmeyer, U Foeth, H Fokitis, E Fontanelli, F Franek, B and Frodesen, AG Fruhwirth, R Fulda-Quenzer, F Fuster, J and Galloni, A Gamba, D Gamblin, S Gandelman, M Garcia, C and Garcia, J Gaspar, C Gaspar, G Gasparini, U Gavillet, P Gazis, EN Gele, D Ghodbane, N Gil, I Glege, F and Gokieli, R Golob, B Gomez-Ceballos, G Goncalves, P and Caballero, IG Gopal, G Gorn, L Gorski, M Gouz, Y and Gracco, V Grahl, J Graziani, E Green, C Grimm, HJ and Gris, P Grzelak, K Gunther, M Guy, J Hahn, F Hahn, S and Haider, S Hallgren, A Hamacher, K Harris, FJ and Hedberg, V Heising, S Hernandez, JJ Herquet, P Herr, H and Hessing, TL Heuser, JM Higon, E Holmgren, SO Holt, PJ Holthuizen, D Hoorelbeke, S Houlden, M Hrubec, J and Huet, K Hultqvist, K Jackson, JN Jacobsson, R Jalocha, P and Janik, R Jarlskog, C Jarlskog, G Jarry, P and Jean-Marie, B Johansson, EK Jonsson, P Joram, C Juillot, P Kapusta, F Karafasoulis, K Katsanevas, S Katsoufis, EC and Keranen, R Kersevan, BP Khomenko, BA Khovanski, NN and Kiiskinen, A King, B Kjaer, NJ Klapp, O Klein, H and Kluit, P Kokkinias, P Koratzinos, M Kostioukhine, V and Kourkoumelis, C Kouznetsov, O Krammer, M Kreuter, C and Kriznic, E Krstic, J Krumstein, Z Kubinec, P Kucewicz, W and Kurvinen, K Lamsa, JW Lane, DW Langefeld, P Lapin, V and Laugier, JP Lauhakangas, R Ledroit, F Lefebure, V and Leinonen, L Leisos, A Leitner, R Lenzen, G Lepeltier, V and Lesiak, T Lethuillier, M Libby, J Liko, D Lipniacka, A Lippi, I Loerstad, B Loken, JG Lopes, JH Lopez, JM and Lopez-Fernandez, R Loukas, D Lutz, P Lyons, L and MacNaughton, J Mahon, JR Maio, A Malek, A Malmgren, TGM and Malychev, V Mandl, F Marco, J Marco, R Marechal, B and Margoni, M Marin, JC Mariotti, C Markou, A and Martinez-Rivero, C Martinez-Vidal, F Garcia, SMI Masik, J and Mastroyiannopoulos, N Matorras, F Matteuzzi, C Matthiae, G Masik, J Mazzucato, F Mazzucato, M McCubbin, M and McKay, R McNulty, R McPherson, G Meroni, C Meyer, WT and Migliore, E Mirabito, L Mitaroff, WA Mjoernmark, U Moa, T Moeller, R Moenig, K Monge, MR Moreau, X and Morettini, P Morton, G Mueller, U Muenich, K Mulders, M and Mulet-Marquis, C Muresan, R Murray, WJ Muryn, B and Myatt, G Myklebust, T Naraghi, F Navarria, FL Navas, S and Nawrocki, K Negri, P Neufeld, N Neumeister, N and Nicolaidou, R Nielsen, BS Nikolenko, M Nomokonov, V and Normand, A Nygren, A Obraztsov, V Olshevski, AG Onofre, A Orava, R Orazi, G Osterberg, K Ouraou, A Paganoni, M Paiano, S Pain, R Paiva, R Palacios, J Palka, H and Papadopoulou, TD Papageorgiou, K Pape, L Parkes, C and Parodi, F Parzefall, U Passeri, A Passon, O Pegoraro, M and Peralta, L Pernicka, M Perrotta, A Petridou, C and Petrolini, A Phillips, HT Piana, G Pierre, F Pimenta, M and Piotto, E Podobnik, T Pol, ME Polok, G Poropat, P and Pozdniakov, V Privitera, P Pukhaeva, N Pullia, A and Radojicic, D Ragazzi, S Rahmani, H Rakoczy, D Ratoff, PN and Read, AL Rebecchi, P Redaelli, NG Regler, M Reid, D and Reinhardt, R Renton, PB Resvanis, LK Richard, F and Ridky, J Rinaudo, G Rohne, O Romero, A Ronchese, P and Rosenberg, EI Rosinsky, P Roudeau, P Rovelli, T and Ruhlmann-Kleider, V Ruiz, A Saarikko, H Sacquin, Y and Sadovsky, A Sajot, G Salt, J Sampsonidis, D Sannino, M and Schneider, H Schwemling, P Schwickerath, U Schyns, MAE and Scuri, F Seager, P Sedykh, Y Segar, AM Sekulin, R and Shellard, RC Sheridan, A Siebel, M Silvestre, R and Simard, L Simonetto, F Sisakian, AN Skaali, TB Smadja, G and Smirnov, N Smirnova, O Smith, GR Sopczak, A and Sosnowski, R Spassov, T Spiriti, E Sponholz, P Squarcia, S Stampfer, D Stanescu, C Stanic, S Stapnes, S and Stevenson, K Stocchi, A Strauss, J Strub, R Stugu, B and Szczekowski, M Szeptycka, M Tabarelli, T Tegenfeldt, F and Terranova, F Thomas, J Tilquin, A Timmermans, J and Tkatchev, LG Todorova, S Toet, DZ Tomaradze, A Tome, B and Tonazzo, A Tortora, L Transtromer, G Treille, D and Tristram, G Troncon, C Tsirou, A Turluer, ML Tyapkin, IA and Tzamarias, S Ueberschaer, B Ullaland, O Uvarov, V and Valenti, G Vallazza, E Van Apeldoorn, GW Van Dam, P Van Eldik, J Van Lysebetten, A Van Vulpen, I Vassilopoulos, N and Vegni, G Ventura, L Venus, W Verbeure, F Verlato, M and Vertogradov, LS Verzi, V Vilanova, D Vitale, L and Vlasov, E Vodopyanov, AS Vollmer, C Voulgaris, G Vrba, V and Wahlen, H Walck, C Wieser, C Wicke, D Wickens, JH and Wilkinson, GR Winter, M Witek, M Wolf, G Yi, J and Yushchenko, O Zaitsev, A Zalewska, A Zalewski, P and Zavrtanik, D Zevgolatakos, E Zimin, NI Zucchelli, GC and Zumerle, G DELPHI Collaboration
Abstract: Promptly decaying lightest neutralinos and long-lived staus are searched for in the context of light gravitino scenarios. It is assumed that the stau is the next to lightest supersymmetric particle (NLSP) and that the lightest neutralino is the next to NLSP (NNLSP). Data collected with the Delphi detector at centre-of-mass energies from 161 to 183 GeV are analysed. No evidence of the production of these particles is found. Hence, lower mass limits for both kinds of particles are set at 95% C.L.. The mass of gaugino-like neutralinos is found to be greater than 71.5 GeV/c(2). In the search for long-lived stau: masses less than 70.0 to 77.5 GeV/c(2) are excluded for gravitino masses from 10 to 150 eV/c(2). Combining this search with the searches for stable heavy leptons and minimal supersymmetric standard model staus a lower limit of 68.5 GeV/c(2) may be set for the stau mass independent of the mass of the gravitino.
Published: 1999

55. Erratum to 'Search for charginos, neutralinos and gravitinos in e(+)e(-) interactions at root s = 183 eV' (vol 446, pg 75, 1998)

Author: Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Aldeweireld, T, Alekseev, Gd, Alemany, R, Allmendinger, T, Allport, Pp, Almehed, S, Amaldi, U, Amato, S, Anassontzis, Eg, Andersson, P, Andreazza, A, Andringa, S, Antilogus, P, Apel, Wd, Arnoud, Y, Asman, B, Augustin, Je, Augustinus, A, Baillon, P, Bambade, P, Barao, F, Barbiellini, G, Barbier, R, Bardin, Dy, Barker, G, Baroncelli, A, Battaglia, M, Baubillier, M, Becks, Kh, Begalli, M, Beilliere, P, Belokopytov, Y, Benvenuti, Ac, Berat, C, Berggren, M, Bertini, D, Bertrand, D, Besancon, M, Bianchi, F, Bigi, M, Bilenky, Ms, Bizouard, Ma, Bloch, D, Blom, Hm, Bonesini, M, Bonivento, W, Boonekamp, M, Booth, Psl, Borgland, Aw, Borisov, G, Bosio, C, Botner, O, Boudinov, E, Bouquet, B, Bourdarios, C, Bowcock, Tjv, Boyko, I, Bozovic, I, Bozzo, M, Branchini, P, Brenke, T, Brenner, Ra, Bruckman, P, Brunet, Jm, Bugge, L, Buran, T, Burgsmueller, T, Buschmann, P, Cabrera, S, Caccia, Massimo, Calvi, M, Rozas, Ajc, Camporesi, T, Canale, V, Carena, F, Carroll, L, Caso, C, Gimenez, Mvc, Cattai, A, Cavallo, Fr, Chabaud, V, Charpentier, P, Chaussard, L, Checchia, P, Chelkov, Ga, Chierici, R, Chliapnikov, P, Chochula, P, Chorowicz, V, Chudoba, J, Collins, P, Contri, R, Cortina, E, Cosme, G, Cossutti, F, Cowell, Jh, Crawley, Hb, Crennell, D, Crosetti, G, Maestro, Jc, Czellar, S, Damgaard, G, Davenport, M, DA SILVA, W, Deghorain, A, DELLA RICCA, G, Delpierre, P, Demaria, N, DE ANGELIS, A, DE BOER, W, DE BRABANDERE, S, DE CLERCQ, C, DE LOTTO, B, DE MIN, A, DE PAULA, L, Dijkstra, H, DI CIACCIO, L, Dolbeau, J, Doroba, K, Dracos, M, Drees, J, Dris, M, Duperrin, A, Durand, Jd, Eigen, G, Ekelof, T, Ekspong, G, Ellert, M, Elsing, M, Engel, Jp, Erzen, B, Santo, Me, Falk, E, Fanourkis, G, Fassouliotis, D, Fayot, J, Feindt, M, Ferrari, P, Ferrer, A, FERRER RIBAS, E, Fichet, S, Firestone, A, Fischer, Pa, Flagmeyer, U, Foeth, H, Fokitis, E, Fontanelli, F, Franek, B, Frodesen, Ag, Fruhwirth, R, FULDA QUENZER, F, Fuster, J, Galloni, A, Gamba, D, Gamblin, S, Gandelman, M, Garcia, C, Garcia, J, Gaspar, C, Gaspar, M, Gasparini, U, Gavillet, P, Gazis, En, Gele, D, Gerdyukov, L, Ghodbane, N, Gil, I, Glege, F, Gokieli, R, Golob, B, GOMEZ CEBALLOS, G, Goncalves, P, Caballero, Ig, Gopal, G, Gorn, L, Gorski, M, Gouz, Y, Gracco, V, Grahl, J, Graziani, E, Green, C, Grimm, Hj, Gris, P, Grzelak, K, Gunther, M, Guy, J, Hahn, F, Hahn, S, Haider, S, Hallgren, A, Hamacher, K, Harris, Fj, Hedberg, V, Heising, S, Hernandez, Jj, Herquet, P, Herr, H, Hessing, Tl, Heuser, Jm, Higon, E, Holmgren, So, Holt, Pj, Holthuizen, D, Hoorelbeke, S, Houlden, M, Hrubec, J, Huet, K, Hughes, Gj, Hultqvist, K, Jackson, Jn, Jacobsson, R, Jalocha, P, Janik, R, Jarlskog, C, Jarlskog, G, Jarry, P, JEAN MARIE, B, Johansson, Ek, Jonsson, P, Joram, C, Juillot, P, Kapusta, F, Karafasoulis, K, Katsanevas, S, Katsoufis, Ec, Keranen, R, Kersevan, Bp, Khomenko, Ba, Khovanski, Nn, Kiiskinen, A, King, B, Kinvig, A, Kjaer, Nj, Klapp, O, Klein, H, Kluit, P, Kokkinias, P, Koratzinos, M, Kostioukhine, V, Kourkoumelis, C, Kouznetsov, O, Krammer, M, Kreuter, C, Kriznic, E, Krstic, J, Krumstein, Z, Kubinec, P, Kucewicz, W, Kurowska, J, Kurvinen, K, Lamsa, Jw, Lane, Dw, Langefeld, P, Lapin, V, Laugier, Jp, Lauhakangas, R, Leder, G, Ledroit, F, Lefebure, V, Leinonen, L, Leisos, A, Leitner, R, Lemonne, J, Lenzen, G, Lepeltier, V, Lesiak, T, Lethuillier, M, Libby, J, Liko, D, Lipniacka, A, Lippi, I, Loerstad, B, Loken, Jg, Lopes, Jh, Lopez, Jm, LOPEZ FERNANDEZ, R, Loukas, D, Lutz, P, Lyons, L, Mahon, Jr, Maio, A, Malek, A, Malmgren, Tgm, Malychev, V, Mandl, F, Marco, J, Marco, R, Marechal, B, Margoni, M, Marin, Jc, Mariotti, C, Markou, A, MARTINEZ RIVERO, C, MARTINEZ VIDAL, F, Garcia, Smi, Mastroyiannopoulos, N, Matorras, F, Matteuzzi, C, Matthiae, G, Mazik, J, Mazzucato, F, Mazzucato, M, MC CUBBIN, M, MC KAY, R, MC NULTY, R, MC PHERSON, G, Meroni, C, Meyer, Wt, Miagkov, A, Migliore, E, Mirabito, L, Mitaroff, Wa, Mjoernmark, U, Moa, T, Moeller, R, Moenig, K, Monge, Mr, Moreau, X, Morettini, P, Morton, G, Mueller, U, Muenich, K, Mulders, M, MULET MARQUIS, C, Muresan, R, Murray, Wj, Muryn, B, Myatt, G, Myklebust, T, Naraghi, F, Navarria, Fl, Navas, S, Nawrocki, K, Negri, P, Nemcek, S, Neufeld, N, Neumeister, N, Nicolaidou, R, Nielsen, Bs, Nikolenko, M, Nomokonov, V, Normand, A, Nygren, A, Obraztsov, V, Olshevski, Ag, Onofre, A, Orava, R, Orazi, G, Osterberg, K, Ouraou, A, Paganoni, M, Paiano, S, Pain, R, Paiva, R, Palacios, J, Palka, H, Papadopoulou, Td, Papageorgiou, K, Pape, L, Parkes, C, Parodi, F, Parzefall, U, Passeri, A, Passon, O, Pegoraro, M, Peralta, L, Pernicka, M, Perrotta, A, Petridou, C, Petrolini, A, Phillips, Ht, Pierre, F, Pimenta, M, Piotto, E, Podobnik, T, Pol, Me, Polok, G, Poropat, P, Pozdniakov, V, Privitera, P, Pukhaeva, N, Pullia, A, Radojicic, D, Ragazzi, S, Rahmani, H, Rakoczy, D, Ratoff, Pn, Read, Al, Rebecchi, P, Redaelli, Ng, Regler, M, Reid, D, Reinhardt, R, Renton, Pb, Resvanis, Lk, Richard, F, Ridky, J, Rinaudo, G, Rohne, O, Romero, A, Ronchese, P, Rosenberg, Ei, Rosinsky, P, Roudeau, P, Rovelli, T, Royon, C, RUHLMANN KLEIDER, V, Ruiz, A, Saarikko, H, Sacquin, Y, Sadovsky, A, Sajot, G, Salt, J, Sampsonidis, D, Sannino, M, Schneider, H, Schwemling, P, Schwickerath, U, Schyns, Mae, Scuri, F, Seager, P, Sedykh, Y, Segar, Am, Sekulin, R, Shellard, Rc, Sheridan, A, Siebel, M, Simard, L, Simonetto, F, Sisakian, An, Skaali, Tb, Smadja, G, Smirnova, O, Smith, Cr, Sokolov, A, Solovianov, O, Sopczak, A, Sosnowski, R, Spassov, T, Spiriti, E, Sponholz, P, Squarcia, S, Stampfer, D, Stanescu, C, Stanic, S, Stapnes, S, Stevenson, K, Stocchi, A, Strauss, J, Strub, R, Stugu, B, Szczekowski, M, Szeptycka, M, Tabarelli, T, Tegenfeldt, F, Terranova, F, Thomas, J, Tilquin, A, Timmermans, J, Tinti, N, Tkatchev, Lg, Todorova, S, Toet, Dz, Tome, B, Tonazzo, A, Tortora, L, Transtromer, G, Treille, D, Tristram, G, Trochimczuk, M, Troncon, C, Tsirou, A, Turluer, Ml, Tyapkin, Ia, Tzamarias, S, Ueberschaer, B, Ullaland, O, Uvarov, V, Valenti, G, Vallazza, E, VANDER VELDE, C, VAN APELDOORN GW, VAN DAM, P, VAN DONINCK WK, VAN ELDIK, J, VAN LYSEBETTEN, A, VAN VULPEN, I, Vassilopoulos, N, Vegni, G, Ventura, L, Venus, W, Verbeure, F, Verlato, M, Vertogradov, Ls, Verzi, V, Vilanova, D, Vitale, L, Vlasov, E, Vodopyanov, As, Vollmer, C, Voulgaris, G, Vrba, V, Wahlen, H, Walck, C, Weiser, C, Wicke, D, Wickens, Jh, Wilkinson, Gr, Winter, M, Witek, M, Wolf, G, Yi, J, Yushchenko, O, Zalewska, A, Zalewski, P, Zavrtanik, D, Zevgolatakos, E, Zimin, Ni, Zucchelli, Gc, and Zumerle, G.
Published: 1999

56. Measurement of the mass of the W boson using direct reconstruction at root s=183 GeV

Author: Abreu, P Adye, T Adzic, P Albrecht, Z Alderweireld, T and Alekseev, GD Alemany, R Allmendinger, T Allport, PP and Almehed, S Amaldi, U Amapane, N Amato, S Anassontzis, EG and Andersson, P Andreazza, A Andringa, S Antilogus, P and Apel, WD Arnoud, Y Asman, B Augustin, JE Augustinus, A and Baillon, P Bambade, P Barao, F Barbiellini, G and Barbier, R Bardin, DY Barker, G Baroncelli, A Battaglia, M Baubillier, M Becks, KH Begalli, M Behrmann, A and Beilliere, P Belokopytov, Y Belous, K Benekos, NC and Benvenuti, AC Berat, C Berggren, M Bertini, D Bertrand, D Besancon, M Bigi, M Bilenky, MS Bizouard, MA and Bloch, D Blom, HM Bonesini, M Bonivento, W Boonekamp, M and Booth, PSL Borgland, AW Borisov, G Bosio, C Botner, O Boudinov, E Bouquet, B Bourdarios, C Bowcock, TJV and Boyko, I Bozovic, I Bozzo, M Branchini, P Brenke, T and Brenner, RA Bruckman, P Brunet, JM Bugge, L Buran, T and Burgsmueller, T Buschbeck, B Buschmann, P Cabrera, S and Caccia, M Calvi, M Camporesi, T Canale, V Carena, F and Carroll, L Caso, C Gimenez, MVC Cattai, A Cavallo, FR and Chabaud, V Chapkin, M Charpentier, P Chaussard, L and Checchia, P Chelkov, GA Chierici, R Chliapnikov, P and Chochula, P Chorowicz, V Chudoba, J Cieslik, K Collins, P Contri, R Cortina, E Cosme, G Cossutti, F Cowell, JH Crawley, HB Crennell, D Crepe, S Crosetti, G and Maestro, JC Czellar, S Davenport, M Da Silva, W and Deghorain, A Della Ricca, G Delpierre, P Demaria, N De Angelis, A De Boer, W De Clercq, C De Lotto, B De Min, A and De Paula, L Dijkstra, H Di Ciaccio, L Dolbeau, J and Doroba, K Dracos, M Drees, J Dris, M Duperrin, A and Durand, JD Eigen, G Ekelof, T Ekspong, G Ellert, M and Elsing, M Engel, JP Erzen, B Santo, ME Fanourakis, G and Fassouliotis, D Fayot, J Feindt, M Ferrari, P Ferrer, A and Ferrer-Ribas, E Ferro, F Fichet, S Firestone, A and Flagmeyer, U Foeth, H Fokitis, E Fontanelli, F Franek, B and Frodesen, AG Fruhwirth, R Fulda-Quenzer, F Fuster, J and Galloni, A Gamba, D Gamblin, S Gandelman, M Garcia, C and Gaspar, C Gaspar, M Gasparini, U Gavillet, P Gazis, EN Gele, D Ghodbane, N Gil, I Glege, F Gokieli, R and Golob, B Gomez-Ceballos, G Goncalves, P Caballero, IG and Gopal, G Gorn, L Gouz, Y Gracco, V Grahl, J and Graziani, E Green, C Grimm, HJ Gris, P Grosdidier, G and Grzelak, K Gunther, M Guy, J Hahn, F Hahn, S Haider, S Hallgren, A Hamacher, K Hansen, J Harris, FJ and Hedberg, V Heising, S Hernandez, JJ Herquet, P Herr, H and Hessing, TL Heuser, JM Higon, E Holmgren, SO Holt, PJ Hoorelbeke, S Houlden, M Hrubec, J Huet, K and Hughes, GJ Hultqvist, K Jackson, JN Jacobsson, R and Jalocha, P Janik, R Jarlskog, C Jarlskog, G Jarry, P and Jean-Marie, B Johansson, EK Jonsson, P Joram, C Juillot, P Kapusta, F Karafasoulis, K Katsanevas, S Katsoufis, EC and Keranen, R Kersevan, BP Khomenko, BA Khovanski, NN and Kiiskinen, A King, B Kinvig, A Kjaer, NJ Klapp, O and Klein, H Kluit, P Kokkinias, P Koratzinos, M and Kostioukhine, V Kourkoumelis, C Kouznetsov, O Krammer, M and Kriznic, E Krstic, J Krumstein, Z Kubinec, P Kurowska, J and Kurvinen, K Lamsa, JW Lane, DW Langefeld, P Lapin, V and Laugier, JP Lauhakangas, R Leder, G Ledroit, F and Lefebure, V Leinonen, L Leisos, A Leitner, R Lemonne, J and Lenzen, G Lepeltier, V Lesiak, T Lethuillier, M and Libby, J Liko, D Lipniacka, A Lippi, I Loerstad, B and Loken, JG Lopes, JH Lopez, JM Lopez-Fernandez, R Loukas, D Lutz, P Lyons, L MacNaughton, J Mahon, JR Maio, A and Malek, A Malmgren, TGM Maltezos, S Malychev, V and Mandl, F Marco, J Marco, R Marechal, B Margoni, M and Marin, JC Mariotti, C Markou, A Martinez-Rivero, C and Martinez-Vidal, F Garcia, SMI Masik, J Mastroyiannopoulos, N and Matorras, F Matteuzzi, C Matthiae, G Mazzucato, F and Mazzucato, M Mc Cubbin, M Mc Kay, R Mc Nulty, R Mc Pherson, G Meroni, C Meyer, WT Migliore, E Mirabito, L and Mitaroff, WA Mjoernmark, U Moa, T Moch, M Moeller, R and Moenig, K Monge, MR Moreau, X Morettini, P Morton, G and Mueller, U Muenich, K Mulders, M Mulet-Marquis, C and Muresan, R Murray, WJ Muryn, B Myatt, G Myklebust, T and Naraghi, F Nassiakou, M Navarria, FL Navas, S Nawrocki, K Negri, P Nemecek, S Neufeld, N Nicolaidou, R and Nielsen, BS Niezurawski, P Nikolenko, M Nomokonov, V and Normand, A Nygren, A Obraztsov, V Olshevski, AG Onofre, A Orava, R Orazi, G Osterberg, K Ouraou, A Paganoni, R Paiano, S Pain, R Paiva, R Palacios, J Palka, H and Papadopoulou, TD Papageorgiou, K Pape, L Parkes, C and Parodi, F Parzefall, U Passeri, A Passon, O Pegoraro, R and Peralta, L Pernicka, M Perrotta, A Pertridou, C and Petrolini, A Phillips, HT Pierre, F Pimenta, M Piotto, E and Podobnik, T Pol, ME Polok, G Poropat, P Pozdniakov, V Privitera, P Pukhaeva, N Pullia, A Radojicic, D and Ragazzi, S Rahmani, H Ratoff, PN Read, AL Rebecchi, P and Redaelli, NG Regler, M Reid, D Reinhardt, R Renton, PB Resvanis, LK Richard, F Ridky, J Rinaudo, G and Rohne, O Romero, A Ronchese, P Rosenberg, EI Rosinsky, P and Roudeau, P Rovelli, T Royon, C Ruhlmann-Kleider, V and Ruiz, A Saarikko, H Sacquin, Y Sadovsky, A Sajot, G and Salt, J Sampsonidis, D Sannino, M Schneider, H and Schwemling, P Schwering, B Schwickerath, U Schyns, MAE and Scuri, F Seager, P Sedykh, Y Segar, AM Sekulin, R and Shellard, RC Sheridan, A Siebel, M Simard, L Simonetto, F Sisakian, AN Smadja, G Smirnova, O Smith, GR and Sokolov, A Solovianov, O Sopczak, A Sosnowski, R and Spassov, T Spiriti, E Sponholz, P Squarcia, S Stanescu, C Stanic, S Stevenson, K Stocchi, A Strauss, J and Strub, R Stugu, B Szczekowski, M Szeptycka, M Tabarelli, T Tegenfeldt, F Terranova, F Thomas, J Timmermans, J and Tinti, N Tkatchev, LG Todorova, S Tomaradze, A Tome, B and Tonazzo, A Tortora, L Transtromer, G Treille, D and Tristram, G Trochimczuk, M Troncon, C Tsirou, A Turluer, ML Tyapkin, IA Tzamarias, S Ullaland, O Uvarov, V and Valenti, G Vallazza, E Vander Velde, C Van Apeldoorn, GW and Van Dam, P Van Doninck, WK Van Eldik, J Van Lysebetten, A and Van Remortel, N Van Vulpen, I Vassilopoulos, N Vegni, G and Ventura, L Venus, W Verbeure, F Verlato, M and Vertogradov, LS Verzi, V Vilanova, D Vitale, L Vlasov, E and Vodopyanov, AS Vollmer, C Voulgaris, G Vrba, V and Wahlen, H Walck, C Weiser, C Wicke, D Wickens, JH and Wilkinson, GR Winter, M Witek, M Wolf, G Yi, J and Yushchenko, O Zaitsev, A Zalewska, A Zalewski, P and Zavrtanik, D Zevgolatakos, E Zimin, NI Zucchelli, GC and Zumerle, G DELPHI Collaboration
Abstract: From data corresponding to an integrated luminosity of 53.5 pb(-1) taken during the 183 GeV run in 1997, DELPHI has measured the W mass from direct reconstruction of WW –> lq (q) over bar and WW –> q (q) over bar q (q) over bar events. Combining these channels, a value of m(w) = 80.238 +/- 0.154(stat) +/- 0.035(syst) +/- 0.035(fsi) +/- 0.021 (LEP) GeV/c(2) is obtained, where fsi denotes final state interaction. Combined with the W mass obtained by DELPHI from the WW production cross-section and with the direct measurement at 172 GeV this leads to a measured value of m(w) = 80.270 +/- 0.137(stat) +/- 0.031(syst) +/- 0.030(fsi) +/- 0.021(LEP)GeV/c(2), in good agreement with the Standard Model expectation. The width of the W boson is also measured, giving the value Gamma(W) = 2.48 +/- 0.40(stat) +/- 0.10(syst)GeV/c(2). (C) 1999 Elsevier Science B.V. All rights reserved.
Published: 1999

57. Energy dependence of event shapes and of alpha(s) at LEP 2

Author: Abreu, P Adam, W Adye, T Adzic, P Albrecht, Z and Alderweireld, T Alekseev, GD Alemany, R Allmendinger, T and Allport, PP Almehed, S Amaldi, U Amapane, N Amato, S and Anassontzis, EG Andersson, P Andreazza, A Andringa, S and Antilogus, P Apel, WD Arnoud, Y Asman, B Augustin, JE and Augustinus, A Baillon, P Bambade, P Barao, F and Barbiellini, G Barbier, R Bardin, DY Barker, G and Baroncelli, A Battaglia, M Baubillier, M Becks, KH and Begalli, M Behrmann, A Beilliere, P Belokopytov, Y and Belous, K Benekos, NC Benvenuti, AC Berat, C Berggren, M and Bertini, D Bertrand, D Besancon, M Bianchi, F Bigi, M Bilenky, MS Bizouard, MA Bloch, D Blom, HM and Bonesini, M Bonivento, W Boonekamp, M Booth, PSL and Borgland, AW Borisov, C Bosio, C Botner, O Boudinov, E and Bouquet, B Bourdarios, C Bowcock, TJV Boyko, I and Bozovic, I Bozzo, M Branchini, P Brenke, T Brenner, RA and Bruckman, P Brunet, JM Bugge, L Buran, T and Burgsmueller, T Buschbeck, B Buschmann, P Cabrera, S and Caccia, M Calvi, M Camporesi, T Canale, V Carena, F and Carroll, L Caso, C Gimenez, MVC Cattai, A Cavallo, FR and Chabaud, V Chapkin, M Charpentier, P Chaussard, L and Checchia, P Chelkov, GA Chierici, R Chliapnikov, P and Chochula, P Chorowicz, V Chudoba, J Cieslik, K Collins, P Contri, R Cortina, E Cosme, G Cossutti, F Cowell, JH Crawley, HB Crennell, D Crepe, S Crosetti, G and Maestro, JC Czellar, S Davenport, M Da Silva, W and Deghorain, A Della Ricca, G Delpierre, P Demaria, N De Angelis, A De Boer, W De Clercq, C De Lotto, B De Min, A and De Paula, L Dijkstra, H Di Ciaccio, L Dolbeau, J and Doroba, K Dracos, M Drees, J Dris, M Duperrin, A and Durand, JD Eigen, G Ekelof, T Ekspong, G Ellert, M and Elsing, M Engel, JP Erzen, B Santo, ME Falk, E and Fanourakis, G Fassouliotis, D Fayot, J Feindt, M Fenyuk, A Ferrari, P Ferrer, A Ferrer-Ribas, E Ferro, F and Fichet, S Firestone, A Flagmeyer, U Foeth, H Fokitis, E and Fontanelli, F Franek, B Frodesen, AG Fruhwirth, R and Fulda-Quenzer, F Fuster, J Galloni, A Gamba, D Gamblin, S Gandelman, M Garcia, C Gaspar, C Gaspar, M and Gasparini, U Gavillet, P Gazis, EN Gele, D Ghodbane, N and Gil, I Glege, F Gokieli, R Golob, B Gomez-Ceballos, G Goncalves, P Cabellero, IG Gopal, G Gorn, L and Gorski, M Gouz, Y Gracco, V Grahl, J Graziani, E and Green, C Grimm, HJ Gris, P Grosdidier, G Grzelak, K and Gunther, M Guy, J Hahn, F Hahn, S Haider, S and Hallgren, A Hamacher, K Hansen, J Harris, FJ Hedberg, V and Heising, S Hernandez, JJ Herquet, P Herr, H Hessing, TL Heuser, JM Higon, E Holmgren, SO Holt, PJ and Hoorelbeke, S Houlden, M Hrubec, J Huet, K Hughes, GJ and Hultqvist, K Jackson, JN Jacobsson, R Jalocha, P and Janik, R Jarlskog, C Jarlskog, G Jarry, P Jean-Marie, B and Johansson, EK Jonsson, P Joram, C Juillot, P and Kapusta, F Karafasoulis, K Katsanevas, S Katsoufis, EC and Keranen, R Kersevan, BP Khomenko, BA Khovanski, NN and Kiiskinen, A King, B Kinvig, A Kjaer, NJ Klapp, O and Klein, H Kluit, P Kokkinias, P Koratzinos, M and Kostioukhine, V Kourkoumelis, C Kouznetsov, O Krammer, M and Kriznic, E Krstic, P Krumstein, Z Kubinec, P Kurowska, J and Kurvinen, K Lamsa, JW Lane, DW Langefeld, P Lapin, V and Laugier, JP Lauhakangas, R Leder, G Ledroit, F and Lefebure, V Leinonen, L Leisos, A Leitner, R Lemonne, J and Lenzen, G Lepeltier, V Lesiak, T Lethuillier, M and Libby, J Liko, D Lipniacka, A Lippi, I Loerstad, B and Loken, JG Lopes, JH Lopez, JM Lopez-Fernandez, R Loukas, D Lutz, P Lyons, L MacNaughton, J Mahon, JR Maio, A and Malek, A Malmgren, TGM Maltezos, S Malychev, V and Mandl, F Marco, J Marco, R Marechal, B Margoni, M and Marin, JC Mariotti, C Markou, A Martinez-Rivero, C and Martinez-Vidal, F Garcia, SMI Masik, J Mastroyiannopoulos, N and Matorras, F Matteuzzi, C Matthiae, G Mazzucato, F and Mazzucato, M Mc Cubbin, M Mc Kay, R Mc Nulty, R Mc Pherson, G Meroni, C Meyer, WT Migliore, E Mirabito, L and Mitaroff, WA Mjoernmark, U Moa, T Moch, M Moeller, R and Moenig, K Monge, MR Moreau, X Morettini, P Morton, G and Mueller, U Muenich, K Mulders, M Mulet-Marquis, C and Muresan, R Murray, WJ Muryn, B Myatt, G Myklebust, T and Naraghi, F Nassiakou, M Navarria, FL Navas, S Nawrocki, K Negri, P Nemecek, S Neufeld, N Neumeister, N and Nicolaidou, R Nielsen, BS Nikolenko, M Nomokonov, V and Normand, A Nygren, A Obraztsov, V Olshevski, AG Onofre, A Orava, R Orazi, G Osterberg, K Ouraou, A Paganoni, M Paiano, S Pain, R Paiva, R Palacios, J Palka, H and Papadopoulou, TD Papageorgiou, K Pape, L Parkes, C and Parodi, F Parzefall, U Passeri, A Passon, O Pegoraro, M and Peralta, L Pernicka, M Perrotta, A Petridou, C and Petrolini, A Phillips, HT Pierre, F Pimenta, M Piotto, E and Podobnik, T Pol, ME Polok, G Poropat, P Pozdniakov, V Privitera, P Pukhaeva, N Pullia, A Radojicic, D and Ragazzi, S Rahmani, H Ratoff, PN Read, AL Rebecchi, P and Redaelli, NG Regler, M Reid, D Reinhardt, R Renton, PB Resvanis, LK Richard, F Ridky, J Rinaudo, G and Rohne, O Romero, A Ronchese, P Rosenberg, EI Rosinsky, P and Roudeau, P Rovelli, T Royon, C Ruhlmann-Kleider, V and Ruiz, A Saarikko, H Sacquin, Y Sadovsky, A Sajot, G and Salt, J Sampsonidis, D Sannino, M Schneider, H and Schwemling, P Schwering, B Schwickerath, U Schyns, MAE and Scuri, F Seager, P Sedykh, Y Segar, AM Sekulin, R and Shellard, RC Sheridan, A Siebel, M Simard, L Simonetto, F Sisakian, AN Smadja, G Smirnov, N Smirnova, O and Smith, GR Sopczak, A Sosnowski, R Spassov, T Spiriti, E and Sponholz, P Squarcia, S Stanescu, C Stanic, S and Stevenson, K Stocchi, A Strub, R Stugu, B Szczekowski, M and Szeptycka, M Tabarelli, T Tegenfeldt, F Terranova, F and Thomas, J Timmermans, J Tinti, N Tkatchev, LC Todorova, S Tomaradze, A Tome, B Tonazzo, A Tortora, L and Transtromer, G Treille, D Tristram, G Trochimczuk, H and Troncon, C Tsirou, A Turluer, ML Tyapkin, IA Tzamarias, S Ullaland, O Uvarov, V Valenti, G Vallazza, E and Vander Velde, C Van Apeldoorn, GW Van Dam, P Van Doninck, WK and Van Eldik, J Van Lysebetten, A Van Vulpen, I and Vassilopoulos, N Vegni, E Ventura, L Venus, W Verbeure, F Verlato, M Vertogradov, LS Verzi, V Vilanova, D and Vitale, L Vlasov, E Vodopyanov, AS Vollmer, C Voulgaris, G Vrba, V Wahlen, H Walck, C Weiser, C Wicke, D and Wickens, JH Wilkinson, GR Winter, M Witek, M Wolf, G and Yi, J Yushchenko, O Zaitsev, A Zalewska, A Zalewski, P and Zavrtanik, D Zevgolatakos, E Zimin, NI Zucchelli, GC and Zumerle, G DELPHI Collaboration
Subjects: High Energy Physics::Experiment
Abstract: Infrared and collinear safe event shape distributions and their mean values are determined using the data taken at five different centre of mass energies above M-Z with the DELPHI detector at LEP. From the event shapes, the strong coupling alpha(s) is extracted in O(alpha(s)(2)), NLLA and a combined scheme using hadronisation corrections evaluated with fragmentation model generators as well as using an analytical power ansatz. Comparing these measurements to those obtained at M-Z, the energy dependence (running) of alpha(s) is accessible. The logarithmic energy slope of the inverse strong coupling is measured to be d alpha(s)(-1)/d log(E-cm) = 1.39 +/- 0.34 (stat) +/- 0.17(syst), in good agreement with the QCD expectation of 1.27. (C) 1999 Published by Elsevier Science B.V. All rights reserved.
Published: 1999

58. Charged particle multiplicity in e(+)e(-)-> q(q)over-bar events at 161 and 172 GeV and from the decay of the W boson

Author: Abreu, P Adam, W Adye, T Ajinenko, I Alekseev, GD and Alemany, R Allport, PP Almehed, S Amaldi, U Amato, S and Andersson, P Andreazza, A Antilogus, P Apel, WD Arnoud, Y Asman, B Augustin, JE Augustinus, A Baillon, P and Bambade, P Barao, F Barbi, M Bardin, DY Barker, G and Baroncelli, A Barring, O Bates, MJ Battaglia, M and Baubillier, M Baudot, J Becks, KH Begalli, M Beilliere, P Belokopytov, Y Belous, K Benvenuti, AC Berat, C and Berggren, M Bertini, D Bertrand, D Besancon, M Bianchi, F Bigi, M Bilenky, MS Billoir, P Bizouard, MA Bloch, D Blume, M Bonesini, M Bonivento, W Boonekamp, M and Booth, PSL Borgland, AW Borisov, G Bosio, C Botner, O and Boudinov, E Bouquet, B Bourdarios, C Bowcock, TJV and Bozzo, M Branchini, P Brand, KD Brenke, T Brenner, RA and Brown, RCA Bruckman, P Brunet, JM Bugge, L Buran, T and Burgsmueller, T Buschmann, P Cabrera, S Caccia, M and Calvi, M Rozas, AJC Camporesi, T Canale, V Canepa, M and Carena, F Carroll, L Caso, C Gimenez, MVC Cattai, A and Cavallo, FR Chabaud, V Charpentier, P Chaussard, L and Checchia, P Chelkov, GA Chen, M Chierici, R Chliapnikov, P Chochula, P Chorowicz, V Chudoba, J Cindro, V and Collins, P Colomer, M Contri, R Cortina, E Cosme, G and Cossutti, F Cowell, JH Crawley, HB Crennell, D Crosetti, G Maestro, JC Czellar, S Dahm, J Dalmagne, B and Damgaard, G Dauncey, PD Davenport, M Da Silva, W and Deghorain, A Della Ricca, G Delpierre, P Demaria, N De Angelis, A De Boer, W De Brabandere, S De Clercq, C De la Vaissiere, C De Lotto, B De Min, A De Paula, L and Dijkstra, H Di Ciaccio, L Di Diodato, A Djannati, A and Dolbeau, J Doroba, K Dracos, M Drees, J Drees, KA and Dris, M Durand, JD Edsall, D Ehret, R Eigen, G and Ekelof, T Ekspong, G Elsing, M Engel, JP Erzen, B and Santo, ME Falk, E Fanourakis, G Fassouliotis, D Feindt, M Fenyuk, A Ferrari, P Ferrer, A Fichet, S Filippas, TA Firestone, A Fischer, PA Foeth, H Fokitis, E and Fontanelli, F Formenti, F Franek, B Frodesen, AG and Fruhwirth, R Fulda-Quenzer, F Fuster, J Galloni, A and Gamba, D Gandelman, M Garcia, C Garcia, J Gaspar, C and Gasparini, U Gavillet, P Gazis, EN Gele, D Gerber, JP and Gerdyukov, L Gokieli, R Golob, B Goncalves, P Gopal, G Gorn, L Gorski, M Gouz, Y Gracco, V Graziani, E and Green, C Grefrath, A Gris, P Grosdidier, G Grzelak, K Gunther, M Guy, J Hahn, F Hahn, S Hajduk, Z and Hallgren, A Hamacher, K Harris, FJ Hedberg, V Henriques, R Hernandez, JJ Herquet, P Herr, H Hessing, TL and Heuser, JM Higon, E Holmgren, SO Holt, PJ Holthuizen, D and Hoorelbeke, S Houlden, M Hrubec, J Huet, K and Hultqvist, K Jackson, JN Jacobsson, R Jalocha, P Janik, R Jarlskog, C Jarlskog, G Jarry, P Jean-Marie, B and Johansson, EK Jonsson, L Jonsson, P Joram, C Juillot, P and Kaiser, M Kapusta, F Karafasoulis, K Karvelas, E and Katsanevas, S Katsoufis, EC Keranen, R Khokhlov, Y and Khomenko, BA Khovanski, NN King, B Kjaer, NJ Klapp, O and Klein, H Kluit, P Knoblauch, D Kokkinias, P and Koratzinos, M Korcyl, K Kostioukhine, V Kourkoumelis, C and Kouznetsov, O Krammer, M Kreuter, C Kronkvist, I Krstic, J Krumstein, Z Krupinski, W Kubinec, P Kucewicz, W and Kurvinen, K Lacasta, C Laktineh, I Lamsa, JW Lanceri, L and Lane, DW Langefeld, P Laugier, JP Lauhakangas, R and Leder, G Ledroit, F Lefebure, V Legan, CK Leisos, A and Leitner, R Lemonne, J Lenzen, G Lepeltier, V Lesiak, T and Lethuillier, M Libby, J Liko, D Lipniacka, A Lippi, I Loerstad, B Loken, JG Lopez, JM Loukas, D Lutz, P and Lyons, L MacNaughton, J Maehlum, G Mahon, JR Maio, A and Malmgren, TGM Malychev, V Mandl, F Marco, J Marco, R and Marechal, B Margoni, M Marin, JC Mariotti, C Markou, A Martinez-Rivero, C Martinez-Vidal, F Garcia, SMI and Masik, J Matorras, F Matteuzzi, C Matthiae, G Mazzucato, M Mc Cubbin, M Mc Kay, R Mc Nulty, R Mc Pherson, G and Medbo, J Meroni, C Meyer, S Meyer, WT Michelotto, M and Migliore, E Mirabito, L Mitaroff, WA Mjoernmark, U Moa, T Moeller, R Moenig, K Monge, MR Morettini, P and Mueller, H Muenich, K Mulders, M Mundim, LM Murray, WJ and Muryn, B Myatt, G Myklebust, T Naraghi, F Navarria, FL Navas, S Nawrocki, K Negri, P Nemecek, S Neumann, W Neumeister, N Nicolaidou, R Nielsen, BS Nieuwenhuizen, M Nikolaenko, V Nikolenko, M Niss, P Nomerotski, A and Normand, A Nygren, A Oberschulte-Beckmann, W Obraztsov, V and Olshevski, AG Onofre, A Orava, R Orazi, G Ortuno, S and Osterberg, K Ouraou, A Paganini, P Paganoni, M and Paiano, S Pain, R Palka, H Papadopoulou, TD and Papageorgiou, K Pape, L Parkes, C Parodi, F Parzefall, U and Passeri, A Pegoraro, M Peralta, L Pernegger, H and Pernicka, M Perrotta, A Petridou, C Petrolini, A and Phillips, HT Piana, G Pierre, F Pimenta, M Piotto, E and Podobnik, T Podobrin, O Pol, ME Polok, G Poropat, P and Pozdniakov, V Privitera, P Pukhaeva, N Pullia, A and Radojicic, D Ragazzi, S Rahmani, H Ratoff, PN Read, AL and Reale, M Rebecchi, P Redaelli, NG Regler, M Reid, D and Reinhardt, R Renton, PB Resvanis, LK Richard, F and Ridky, J Rinaudo, G Rohne, O Romero, A Ronchese, P and Roos, L Rosenberg, EI Rosinsky, P Roudeau, P Rovelli, T and Ruhlmann-Kleider, V Ruiz, A Rybicki, K Saarikko, H and Sacquin, Y Sadovsky, A Sajot, G Salt, J Sannino, M and Schneider, H Schwickerath, U Schyns, MAE Sciolla, G and Scuri, F Seager, P Sedykh, Y Segar, AM Seitz, A and Sekulin, R Serbelloni, L Shellard, RC Sheridan, A and Siegrist, P Silvestre, R Simonetto, F Sisakian, AN and Skaali, TB Smadja, G Smirnov, N Smirnova, O Smith, GR and Solovianov, O Sosnowski, R Souza-Santos, D Spassov, T and Spiriti, E Sponholz, P Squarcia, S Stampfer, D and Stanescu, C Stanic, S Stapnes, S Stavitski, I Stevenson, K Stocchi, A Strauss, J Strub, R Stugu, B and Szczekowski, M Szeptycka, M Tabarelli, T Tavernet, JP and Tchikilev, O Tegenfeldt, F Terranova, F Tomas, J and Tilquin, A Timmermans, J Tkatchev, LG Todorov, T and Todorova, S Toet, DZ Tomaradze, A Tome, B Tonazzo, A and Tortora, L Transtromer, G Treille, D Tristram, G and Trombini, A Troncon, C Tsirou, A Turluer, ML Tyapkin, IA and Tyndel, M Tzamarias, S Ueberschaer, B Ullaland, O and Uvarov, V Valenti, G Vallazza, E Van Apeldoorn, GW Van Dam, P Van Eldik, J Van Lysebetten, A Vassilopoulos, N and Vegni, G Ventura, L Venus, W Verbeure, F Verlato, M and Vertogradov, LS Vilanova, D Vincent, P Vitale, L Vlasov, E Vodopyanov, AS Vrba, V Wahlen, H Walck, C Waldner, F Weiser, C Wetherell, AM Wicke, D Wickens, JH and Wielers, M Wilkinson, GR Williams, WSC Winter, M Witek, M Wlodek, T Yi, J Yip, K Yushchenko, O Zach, F and Zaitsev, A Zalewska, A Zalewski, P Zavrtanik, D and Zevgolatakos, E Zimin, NI Zucchelli, GC Zumerle, G and DELPHI Collaborat
Subjects: High Energy Physics::Experiment, Nuclear Experiment
Abstract: The data collected by DELPHI in 1996 have been used to measure the average charged particle multiplicities and dispersions in q (q) over bar events at centre-of-mass energies of root s = 161 GeV and root s = 172 GeV, and the average charge multiplicity in WW events at root s = 172 GeV. The multiplicities in q (q) over bar events are consistent with the evolution predicted by QCD. The dispersions in the multiplicity distributions are consistent with Koba-Nielsen-Olesen (KNO) scaling. The average multiplicity of charged particles in hadronic W decays has been measured for the first time; its value, 19.23 +/- 0.74(stat + syst), is consistent with that expected for an e(+)e(-) interaction at a centre-of-mass energy equal to the W mass. The charged particle multiplicity in W decays shows no evidence of effects of colour reconnection between partons from different W’s at the present level of statistics. (C) 1998 Elsevier Science B.V.
Published: 1998

59. Rapidity correlations in Lambda baryon and proton production in hadronic Z(0) decays

Author: Abreu, P Adam, W Adye, T Ajinenko, I Alekseev, GD and Alemany, R Allport, PP Almehed, S Amaldi, U Amato, S and Andreazza, A Andrieux, ML Antilogus, P Apel, WD Asman, B and Augustin, JE Augustinus, A Baillon, P Bambade, P and Barao, F Barbi, M Bardin, DY Barker, G Baroncelli, A and Barring, O Bates, MJ Battaglia, M Begalli, M Beilliere, P Baubillier, M Baudot, J Becks, KH Belokopytov, Y and Belous, K Benvenuti, AC Berggren, M Bertini, D Bertrand, D Besancon, M Bianchi, F Bigi, M Bilenky, MS and Billoir, P Bizouard, MA Bloch, D Blume, M Bonesini, M and Bonivento, W Booth, PSL Borgland, AW Borisov, G and Bosio, C Botner, O Boudinov, E Bouquet, B Bourdarios, C and Bowcock, TJV Bozovic, I Bozzo, M Branchini, P Brand, KD Brenke, T Brenner, RA Bricman, C Brown, RCA and Bruckman, P Brunet, JM Bugge, L Buran, T Burgsmueller, T and Buschmann, P Cabrera, S Caccia, M Calvi, M Rozas, AJC Camporesi, T Canale, V Canepa, M Cankocak, K and Cao, F Carena, F Carroll, L Caso, C Gimenez, MVC and Cattai, A Cavallo, FR Chabaud, V Charpentier, P and Chaussard, L Checchia, P Chelkov, GA Chen, M Chierici, R and Chliapnikov, P Chochula, P Chorowicz, V Chudoba, J and Cindro, V Collins, P Contri, R Cortina, E Cosme, G and Cossutti, F Cowell, JH Crawley, HB Crennell, D Crosetti, G Maestro, JC Czellar, S Dahm, J Dalmagne, B Dam, M and Damgaard, G Dauncey, PD Davenport, M Da Silva, W and Deghorain, A Della Ricca, G Delpierre, P Demaria, N De Angelis, A De Boer, W De Brabandere, S De Clercq, C De la Vaissiere, C De Lotto, B De Min, A De Paula, L and Dijkstra, H Di Ciaccio, L Di Diodato, A Djannati, A and Dolbeau, J Doroba, K Dracos, M Drees, J Drees, KA and Dris, M Durand, JD Edsall, D Ehret, R Eigen, G and Ekelof, T Ekspong, G Elsing, M Engel, JP Erzen, B and Santo, ME Falk, E Fanourakis, G Fassouliotis, D Feindt, M Ferrari, P Ferrer, A Fichet, S Filippas, TA and Firestone, A Fischer, PA Foeth, H Fokitis, E Fontanelli, F Formenti, F Franek, B Frodesen, AG Fruhwirth, R and Fulda-Quenzer, F Fuster, J Galloni, A Gamba, D and Gandelman, M Garcia, C Garcia, J Gaspar, C Gasparini, U and Gavillet, P Gazis, EN Gele, D Gerber, JP Gerdyukov, L Gokieli, R Golob, B Goncalves, P Gopal, G Gorn, L and Gorski, M Gouz, Y Gracco, V Graziani, E Green, C and Grefrath, A Gris, P Grosdidier, G Grzelak, K Gumenyuk, S and Gunnarsson, P Gunther, M Guy, J Hahn, F Hahn, S and Hajduk, Z Hallgren, A Hamacher, K Harris, FJ Hedberg, V and Henriques, R Hernandez, JJ Herquet, P Herr, H and Hessing, TL Heuser, JM Higon, E Hilke, HJ Holmgren, SO and Holt, PJ Holthuizen, D Hoorelbeke, S Houlden, M and Hrubec, J Huet, K Hultqvist, K Jackson, JN Jacobsson, R and Jalocha, P Janik, R Jarlskog, C Jarlskog, G Jarry, P and Jean-Marie, B Johansson, EK Jonsson, L Jonsson, P and Joram, C Juillot, P Kaiser, M Kapusta, F Karafasoulis, K and Karlsson, M Katsanevas, S Katsoufis, EC Keranen, R and Khokhlov, Y Khomenko, BA Khovanski, NN King, B Kjaer, NJ and Klapp, O Klein, H Kluit, P Knoblauch, D Koene, B and Kokkinias, P Koratzinos, M Korcyl, K Kostioukhine, V and Kourkoumelis, C Kouznetsov, O Krammer, M Kreuter, C and Kronkvist, I Krumstein, Z Krupinski, W Kubinec, P and Kucewicz, W Kurvinen, K Lacasta, C Laktineh, I Lamsa, JW and Lanceri, L Lane, DW Langefeld, P Lapin, V Laugier, JP Lauhakangas, R Ledroit, F Lefebure, V Legan, CK and Leisos, A Leitner, R Lemonne, J Lenzen, G Lepeltier, V and Lesiak, T Libby, J Liko, D Lindner, R Lipniacka, A and Lippi, I Loerstad, B Loken, JG Lopez, JM Loukas, D and Lutz, P Lyons, L MacNaughton, J Maehlum, G Mahon, JR and Maio, A Malmgren, TGM Malychev, V Mandl, F Marco, J and Marco, R Marechal, B Margoni, M Marin, JC Mariotti, C Markou, A Martinez-Rivero, C Martinez-Vidal, F Garcia, SMI Masik, J Matorras, F Matteuzzi, C Matthiae, G and Mazzucato, M McCubbin, M McKay, R McNulty, R Medbo, J and Merk, M Meroni, C Meyer, S Meyer, WT Miagkov, A and Michelotto, M Migliore, E Mirabito, L Mitaroff, WA and Mjoernmark, U Moa, T Moeller, R Moenig, K Monge, MR and Morettini, P Mueller, H Muenich, K Mulders, M Mundim, LM and Murray, WJ Muryn, B Myatt, G Naraghi, F Navarria, FL and Navas, S Nawrocki, K Negri, P Nemecek, S Neumann, W and Neumeister, N Nicolaidou, R Nielsen, BS Nieuwenhuizen, M and Nikolaenko, V Nikolenko, M Niss, P Nomerotski, A and Normand, A Oberschulte-Beckmann, W Obraztsov, V Olshevski, AG Onofre, A Orava, R Orazi, G Osterberg, K Ouraou, A Paganini, P Paganoni, M Pages, P Pain, R Palka, H and Papadopoulou, TD Papageorgiou, K Pape, L Parkes, C and Parodi, F Passeri, A Pegoraro, M Peralta, L Pernegger, H and Pernicka, M Perrotta, A Petridou, C Petrolini, A and Phillips, HT Piana, G Pierre, F Pimenta, M Podobnik, T and Podobrin, O Pol, ME Polok, G Poropat, P Pozdniakov, V Privitera, P Pukhaeva, N Pullia, A Radojicic, D and Ragazzi, S Rahmani, H Ratoff, PN Read, AL Reale, M and Rebecchi, P Redaelli, NG Regler, M Reid, D Reinhardt, R and Renton, PB Resvanis, LK Richard, F Richardson, J and Ridky, J Rinaudo, G Romero, A Roncagliolo, I Ronchese, P and Roos, L Rosenberg, EI Roudeau, P Rovelli, T and Ruckstuhl, W Ruhlmann-Kleider, V Ruiz, A Rybicki, K and Saarikko, H Sacquin, Y Sadovsky, A Sahr, O Sajot, G and Salt, J Sannino, M Schneider, H Schwickerath, U Schyns, MAE Sciolla, G Scuri, F Seager, P Sedykh, Y Segar, AM Seitz, A Sekulin, R Serbelloni, L Shellard, RC and Siegrist, P Silvestre, R Simonetto, F Sisakian, AN and Sitar, B Skaali, TB Smadja, G Smirnov, N Smirnova, O and Smith, GR Sosnowski, R Souza-Santos, D Spiriti, E and Sponholz, P Squarcia, S Stampfer, D Stanescu, C Stanic, S Stapnes, S Stavitski, I Stevenson, K Stocchi, A and Strauss, J Strub, R Stugu, B Szczekowski, M Szeptycka, M and Tabarelli, T Tavernet, JP Tcherniaev, E Tegenfeldt, F and Terranova, F Thomas, J Tilquin, A Timmermans, J and Tkatchev, LG Todorov, T Todorova, S Toet, DZ Tomaradze, A Tome, B Tonazzo, A Tortora, L Transtromer, G and Treille, D Tristram, G Trombini, A Troncon, C Tsirou, A and Turluer, ML Tyapkin, IA Tyndel, M Tzamarias, S and Ueberschaer, B Ullaland, O Uvarov, V Valenti, G and Vallazza, E Van Apeldoorn, GW Van Dam, P Van Eldik, J and Van Lysebetten, A Vassilopoulos, N Vegni, G Ventura, L and Venus, W Verbeure, F Verlato, M Vertogradov, LS and Vilanova, D Vincent, P Vitale, L Vlasov, E Vodopyanov, AS Vrba, V Wahlen, H Walck, C Waldner, F Weilhammer, P Weiser, C Wetherell, AM Wicke, D Wickens, JH and Wielers, M Wilkinson, GR Williams, WSC Winter, M Witek, M Wlodek, T Yi, J Yip, K Yushchenko, O Zach, F and Zaitsev, A Zalewska, A Zalewski, P Zavrtanik, D and Zevgolatakos, E Zimin, NI Zontar, D Zucchelli, GC and Zumerle, G DELPHI Collaborat
Subjects: Nuclear Theory, High Energy Physics::Experiment, Nuclear Experiment
Abstract: In an analysis of multihadronic events recorded at LEP by DELPHI in the years 1992 through 1994, rapidity correlations of Lambda-Lambda, proton-proton, and Lambda-proton pairs are compared with each other and with the predictions of the string fragmentation model. For Lambda (p) over bar pairs, the additional correlation with respect to charged kaons is also analysed. (C) 1998 Elsevier Science B.V.
Published: 1998

60. Search for charginos, neutralinos and gravitinos at LEP

Author: Abreu, P, Adam, W, Adye, T, Ajinenko, I, Alekseev, GD, Alemany, R, Allport, PP, Almehed, S, Amaldi, U, Amato, S, Andersson, P, Andreazza, A, Antilogus, P, Apel, WD, Arnoud, Y, Asman, B, Augustin, JE, Augustinus, A, Baillon, P, Bambade, P, Barbi, M, Bardin, DY, Barker, G, Baroncelli, A, Barring, O, Bates, MJ, Battaglia, M, Baubillier, M, Baudot, J, Becks, KH, Begalli, M, Beilliere, P, Belokoptov, Y, Belous, K, Benvenuti, AC, Berat, C, Berggren, M, Bertini, D, Bertrand, D, Besancon, M, Bianchi, F, Bigi, M, Bilenky, MS, Billoir, P, Bizouard, MA, Bloch, D, Blume, M, Bonesini, M, Bonivento, W, Boonekamp, M, Booth, PSL, Borgland, AW, Borisov, G, Bosio, C, Botner, O, Boudinov, E, Bouquet, B, Bourdarios, C, Bowcock, TJV, Bozzo, M, Branchini, P, Brand, KD, Brenke, T, Brenner, RA, Brown, RCA, Bruckman, P, Brunet, JM, Bugge, L, Buran, T, Burgsmueller, T, Buschmann, P, Cabrera, S, Caccia, M, Calvi, M, Rozas, AJC, Camporesi, T, Canale, V, Canepa, M, Carena, F, Carroll, L, Caso, C, Gimenez, MVC, Cattai, A, Cavallo, FR, Chabaud, V, Chapkin, M, Charpentier, P, Chaussard, L, Checchia, P, Chelkov, GA, Chen, M, Chierici, R, Chliapnikov, P, Chochula, P, Chorowicz, V, Chudoba, J, Cindro, V, Collins, P, Colomer, M, Contri, R, Cortina, E, Cosme, G, Cossutti, F, Cowell, JH, Crawley, HB, Crennell, D, Crosetti, G, Maestro, JC, Czellar, S, Dahm, J, Dalmagne, B, Damgaard, G, Dauncey, PD, Davenport, M, Da Silva, W, Deghorain, A, Della Ricca, G, Delpierre, P, Demaria, N, De Angelis, A, De Boer, W, De Brabandere, S, De Clercq, C, De la Vaissiere, C, De Lotto, B, De Min, A, De Paula, L, Dijkstra, H, Di Ciaccio, L, Di Diodato, A, Djannati, A, Dolbeau, J, Doroba, K, Dracos, M, Drees, J, Drees, KA, Dris, M, Durand, JD, Edsall, D, Ehret, R, Eigen, G, Ekelof, T, Ekspong, G, Elsing, M, Engel, JP, Erzen, B, Santo, ME, Falk, E, Fanourakis, G, Fassouliotis, D, Feindt, M, Fenyuk, A, Ferrari, P, Ferrer, A, Fichet, S, Filippas, TA, Firestone, A, Fischer, PA, Foeth, H, Fokitis, E, Fontanelli, F, Formenti, F, Franek, B, Frodesen, AG, Fruhwirth, R, Fulda-Quenzer, F, Fuster, J, Galloni, A, Gamba, D, Gandelman, M, Garcia, C, Garcia, J, Gaspar, C, Gasparini, U, Gavillet, P, Gazis, EN, Gele, D, Gerber, JP, Gokieli, R, Golob, B, Goncalves, P, Gopal, G, Gorn, L, Gorski, M, Gouz, Y, Gracco, V, Graziani, E, Green, C, Grefrath, A, Gris, P, Grosdidier, G, Grzelak, K, Gumenyuk, S, Gunther, M, Guy, J, Hahn, F, Hahn, S, Hajduk, Z, Hallgren, A, Hamacher, K, Harris, FJ, Hedberg, V, Henriques, R, Hernandez, JJ, Herquet, P, Herr, H, Hessing, TL, Heuser, JM, Higon, E, Holmgren, SO, Holt, PJ, Holthuizen, D, Hoorelbeke, S, Houlden, M, Hrubec, J, Huet, K, Hultqvist, K, Jackson, JN, Jacobsson, R, Jalocha, P, Janik, R, Jarlskog, C, Jarlskog, G, Jarry, P, Jean-Marie, B, Johansson, EK, Jonsson, L, Jonsson, P, Joram, C, Juillot, P, Kaiser, M, Kapusta, F, Karvelas, E, Katsanevas, S, Katsoufis, EC, Keranen, R, Khokhlov, Y, Khomenko, BA, Karafasoulis, K, Khovanski, NN, King, B, Kjaer, NJ, Klapp, O, Klein, H, Kluit, P, Knoblauch, D, Kokkinias, P, Koratzinos, M, Korcyl, K, Kostioukhine, V, Kourkoumelis, C, Kouznetsov, O, Krammer, M, Kreuter, C, Kronkvist, I, Krstic, J, Krumstein, Z, Krupinski, W, Kubinec, P, Kucewicz, W, Kurvinen, K, Lacasta, C, Laktineh, I, Lamsa, JW, Lanceri, L, Lane, DW, Langefeld, P, Lapin, V, Laugier, JP, Lauhakangas, R, Leder, G, Ledroit, F, Lefebure, V, Legan, CK, Leisos, A, Leitner, R, Lemonne, J, Lenzen, G, Lepeltier, V, Lesiak, T, Lethuillier, M, Libby, J, Liko, D, Lipniacka, A, Lippi, I, Loerstad, B, Loken, JG, Lopez, JM, Loukas, D, Lutz, P, Lyons, L, MacNaughton, J, Maehlum, G, Mahon, JR, Maio, A, Malmgren, TGM, Malychev, V, Mandl, F, Marco, J, Marco, R, Marechal, B, Margoni, M, Varin, JC, Mariotti, C, Markou, A, Martinez-Rivero, C, Martinez-Vidal, F, Garcia, SMI, Masik, J, Matorras, F, Matteuzzi, C, Matthiae, G, Mazzucato, M, Mc Cubbin, M, Mc Kay, R, Mc Nulty, R, Mc Pherson, G, Medbo, J, Meroni, C, Meyer, S, Meyer, WT, Michelotto, M, Migliore, E, Mirabito, L, Mjoernmark, U, Moa, T, Moeller, R, Moenig, K, Monge, MR, Morettini, P, Mueller, H, Muenich, K, Mulders, M, Mundim, LM, Murray, WJ, Muryn, B, Myatt, G, Myklebust, T, Naraghi, F, Navarria, FL, Navas, S, Nawrocki, K, Negri, P, Nemecek, S, Neumann, W, Neumeister, N, Nicolaidou, R, Nielsen, BS, Nieuwenhuizen, M, Nikolaenko, V, Nikolenko, M, Niss, P, Nomerotski, A, Normand, A, Nygren, A, Oberschulte-Beckmann, W, Obraztsov, V, Olshevski, AG, Onofre, A, Orava, R, Orazi, G, Ortuno, S, Osterberg, K, Ouraou, A, Paganini, P, Paganoni, M, Paiano, S, Pain, R, Palka, H, Papadopoulou, TD, Papageorgiou, K, Pape, L, Parkes, C, Parodi, F, Parzefall, U, Passeri, A, Pegoraro, M, Peralta, L, Pernegger, H, Pernicka, M, Perrotta, A, Petridou, C, Petrolini, A, Phillips, HT, Piana, G, Pierre, F, Pimenta, M, Piotto, E, Podobnik, T, Podobrin, O, Pol, ME, Polok, G, Poropat, P, Pozdniakov, V, Privitera, P, Pukhaeva, N, Pullia, A, Radojicic, D, Ragazzi, S, Rahmani, H, Ratoff, PN, Read, AL, Reale, M, Rebecchi, P, Redaelli, NG, Regler, M, Reid, D, Reinhardt, R, Renton, PB, Resvanis, LK, Richard, F, Ridky, J, Rinaudo, G, Rohne, O, Romero, A, Ronchese, P, Roos, L, Rosenberg, EJ, Rosinsky, P, Roudeau, P, Rovelli, T, Ruhlmann-Kleider, V, Ruiz, A, Rybicki, K, Saarikko, H, Sacquin, Y, Sadovsky, A, Sajot, G, Salt, J, Sannino, M, Schneider, H, Schwickerath, U, Schyns, MAE, Sciolla, G, Scuri, F, Seager, P, Sedykh, Y, Segar, AM, Seitz, A, Sekulin, R, Serbelloni, L, Shellard, RC, Sheridan, A, Siegrist, P, Silvestre, R, Simonetto, F, Sisakian, AN, Skaali, TB, Smadja, G, Smirnov, N, Smirnova, O, Smith, GR, Sokolov, A, Sosnowski, R, Souza-Santos, D, Spassov, T, Spiriti, E, Sponholz, P, Squarcia, S, Stampfer, D, Stanescu, C, Stanic, S, Stapnes, S, Stavitski, I, Stevenson, K, Stocchi, A, Strauss, J, Strub, R, Stugu, B, Szczekowski, M, Szeptycka, M, Tabarelli, T, Tavernet, JP, Tegenfeldt, F, Terranova, F, Thomas, J, Tilquin, A, Timmermans, J, Tkatchev, LG, Todorov, T, Todorova, S, Toet, DZ, Tomaradze, A, Tome, B, Tonazzo, A, Tortora, L, Transtromer, G, Treille, D, Tristram, G, Trombini, A, Troncon, C, Tsirou, A, Turluer, ML, Tyapkin, IA, Tyndel, M, Tzamarias, S, Ueberschaer, B, Ullaland, O, Uvarov, V, Valenti, G, Vallazza, E, Vander Velde, C, Van Apeldoorn, GW, Van Dam, P, Van Doninck, WK, Van Eldik, J, Van Lysebetten, A, Vassilopoulos, N, Vegni, G, Ventura, L, Venus, W, Verbeure, F, Verlato, M, Vertogradov, LS, Vilanova, D, Vincent, P, Vitale, L, Vlasov, E, Vodopyanov, AS, Vrba, V, Wahlen, H, Walck, C, Waldner, F, Weiser, C, Wetherell, AM, Wicke, D, Wickens, JH, Wielers, M, Wilkinson, GR, Williams, WSC, Winter, M, Witek, M, Wlodek, T, Yi, J, Yip, K, Yushchenko, O, Zach, F, Zaitsev, A, Zalewska, A, Zalewski, P, Zavrtanik, D, Zevgolatakos, E, Zimin, NI, Zucchelli, GC, Zumerle, G, Collaboration, DELPHI, Institut de Physique Nucléaire de Lyon (IPNL), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS), Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Physique Corpusculaire et Cosmologie - Collège de France (PCC), Collège de France (CdF (institution))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), DELPHI, Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Joseph Fourier - Grenoble 1 (UJF)-Centre National de la Recherche Scientifique (CNRS), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA), Collège de France (CdF)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU)
Subjects: PHYSICS, LOWEST ORDER CALCULATIONS, ENERGIES, MONTE-CARLO SIMULATION, SUPERLIGHT GRAVITINO, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], RADIATIVE-CORRECTIONS, 2-PHOTON PROCESSES, Z-DECAYS, SUPERSYMMETRY, DETECTOR, Particle Physics - Experiment
Abstract: An update of the searches for charginos and neutralinos in DELPHI is presented, based mainly on recent data collected at centre-of-mass energies of 161~GeV and 172~GeV. No signal is found. %Except for the case of tan$\beta$ $\approx$ 1, $|\mu| \sim 0$, %$M_2 \sim 0$, the lower limit on the chargino mass at 95\% confidence level %for a heavy sneutrino For a sneutrino with mass above 300~GeV/$c^2$ and a mass difference between the chargino and the lightest neutralino above 10~GeV/$c^2$, the lower limit at 95\% confidence level on the chargino mass ranges from 84.3~GeV/$c^2$ to the kinematical limit (86.0~GeV/$c^2$), depending on the mixing parameters. The limit decreases for lower chargino-neutralino mass differences. The limit in the case of a light sneutrino is 67.6~GeV/$c^2$, provided that %the second lightest chargino has a mass above 86~GeV/$c^2$, that the %second lightest neutralino is heavier than the lightest chargino, %and that there is no light sneutrino with a mass within 10~GeV$/c^2$ below the chargino mass. %In the case of tan$\beta$ $\approx$ 1, $|\mu| \sim 0$, $M_2 \sim 0$ %the limit on the chargino mass is 84 GeV/$c^2$ for large $m_0$. Upper limits on neutralino pair production cross-sections of about a picobarn are derived. The $(\mu,M_2)$ domain excluded in the MSSM-GUT scenario is determined by combining the neutralino and chargino searches. %Compared to the previously published analyses, These results imply a limit on the mass of the lightest neutralino which, for a heavy sneutrino, is constrained to be above 24.9~GeV/$c^2$ for tan$\beta$ $\ge$ 1. The search has also been extended to the case where the lightest neutralino is unstable and decays into a photon and a gravitino.
Published: 1998

61. Measurement of vertical bar V-cs vertical bar using W decays at LEP2

Author: Abreu, P Adam, W Adye, T Adzic, P Ajinenko, I and Alekseev, GD Alemany, R Allport, PP Almehed, S Amaldi, U and Amato, S Anassontzis, EG Andersson, P Andreazza, A and Antilogus, P Apel, WD Arnoud, Y Asman, B Augustin, JE and Augustinus, A Baillon, P Bambade, P Barao, F and Barbiellini, G Barbier, R Bardin, DY Barker, G and Baroncelli, A Battaglia, M Baubillier, M Becks, KH and Begalli, M Beilliere, P Belokopytov, Y Belous, K and Benvenuti, AC Berat, C Berggren, M Bertini, D Bertrand, D Besancon, M Bianchi, F Bigi, M Bilenky, MS and Bizouard, MA Bloch, D Bonesini, M Bonivento, W and Boonekamp, M Booth, PSL Borgland, AW Borisov, G Bosio, C and Botner, O Boudinov, E Bouquet, B Bourdarios, C and Bowcock, TJV Boyko, I Bozovic, I Bozzo, M Branchini, P and Brenke, T Brenner, RA Bruckman, P Brunet, JM Bugge, L Buran, T Burgsmueller, T Buschmann, P Cabrera, S and Caccia, M Calvi, M Rozas, AJC Camporesi, T Canale, V and Canepa, M Carena, F Carroll, L Caso, C Gimenez, MVC and Cattai, A Cavallo, FR Cerruti, C Chabaud, V Chapkin, M and Charpentier, P Chaussard, L Checchia, P Chelkov, GA and Chen, M Chierici, R Chliapnikov, P Chochula, P and Chorowicz, V Chudoba, J Collins, P Colomer, M Contri, R and Cortina, E Cosme, G Cossutti, F Cowell, JH Crawley, HB Crennell, D Crosetti, G Maestro, JC Czellar, S and Dalmagne, B Damgaard, G Davenport, M Da Silva, W and Deghorain, A Della Ricca, G Delpierre, P Demaria, N De Angelis, A De Boer, W De Brabandere, S De Clercq, C De Lotto, B De Min, A De Paula, L Dijkstra, H Di Ciaccio, L and Di Diodato, A Djannati, A Dolbeau, J Doroba, K and Dracos, M Drees, J Drees, KA Dris, M Duperrin, A and Durand, JD Ehret, R Eigen, G Ekelof, T Ekspong, G and Ellert, M Elsing, M Engel, JP Erzen, B Santo, ME and Falk, E Fanourakis, G Fassouliotis, D Fayot, J Feindt, M and Fenyuk, A Ferrari, P Ferrer, A Fichet, S Firestone, A Fischer, PA Flagmeyer, U Foeth, H Fokitis, E and Fontanelli, F Franek, B Frodesen, AG Fruhwirth, R and Fulda-Quenzer, F Fuster, J Galloni, A Gamba, D and Gandelman, M Garcia, C Garcia, J Gaspar, C Gaspar, M and Gasparini, U Gavillet, P Gazis, EN Gele, D Gerber, JP and Ghodbane, N Gil, I Glege, F Gokieli, R Golob, B and Goncalves, P Caballero, IG Gopal, G Gorn, L Gorski, M and Gouz, Y Gracco, V Grahl, J Graziani, E Green, C and Grefrath, A Gris, P Grzelak, K Gunther, M Guy, J and Hahn, F Hahn, S Haider, S Hallgren, A Hamacher, K and Harris, FJ Hedberg, V Heising, S Henriques, R Hernandez, JJ Herquet, P Herr, H Hessing, TL Heuser, JM Higon, E Holmgren, SO Holt, PJ Holthuizen, D Hoorelbeke, S and Houlden, M Hrubec, J Huet, K Hultqvist, K Jackson, JN and Jacobsson, R Jalocha, P Janik, R Jarlskog, C and Jarlskog, G Jarry, P Jean-Marie, B Johansson, EK and Jonsson, P Joram, C Juillot, P Kapusta, F Karafasoulis, K Katsanevas, S Katsoufis, EC Keranen, R Khomenko, BA and Khovanski, NN Kiiskinen, A King, B Kjaer, NJ Klapp, O Klein, H Kluit, P Knoblauch, D Kokkinias, P and Koratzinos, M Kourkoumelis, C Kouznetsov, O Krammer, M and Kreuter, C Kriznic, E Krstic, J Krumstein, Z Kubinec, P and Kucewicz, W Kurvinen, K Lamsa, JW Lanceri, L Lane, DW Langefeld, P Lapin, V Laugier, JP Lauhakangas, R and Ledroit, F Lefebure, V Leinonen, L Leisos, A Leitner, R and Lemonne, J Lenzen, G Lepeltier, V Lesiak, T and Lethuillier, M Libby, J Liko, D Lipniacka, A Lippi, I and Loerstad, B Loken, JG Lopes, JH Lopez, JM and Lopez-Fernandez, R Loukas, D Lutz, P Lyons, L and MacNaughton, J Mahon, JR Maio, A Malek, A Malmgren, TGM and Malychev, V Mandl, F Marco, J Marco, R Marechal, B and Margoni, M Marin, JC Mariotti, C Markou, A and Martinez-Rivero, C Martinez-Vidal, F i Garcia, SM Matorras, F Matteuzzi, C Matthiae, G Mazzucato, F Mazzucato, M and Mc Cubbin, M Mc Kay, R Mc Nulty, R Mc Pherson, G Meroni, C Miagkov, A Migliore, E Mirabito, L Mitaroff, WA and Mjoernmark, U Moa, T Moeller, R Moenig, K Monge, MR and Moreau, X Morettini, P Morton, G Muenich, K Mulders, M and Mulet-Marquis, C Muresan, R Murray, WJ Muryn, B and Myatt, G Myklebust, T Naraghi, F Navarria, FL Navas, S and Nawrocki, K Negri, P Nemecek, S Neufeld, N Neumann, W Neumeister, N Nicolaidou, R Nielsen, BS Nieuwenhuizen, M Nikolaenko, V Nikolenko, M Nomokonov, V Normand, A and Nygren, A Obraztsov, V Olshevski, AG Onofre, A Orava, R and Orazi, G Osterberg, K Ouraou, A Paganini, P and Paganoni, M Paiano, S Pain, R Paiva, R Palacios, J and Palka, H Papadopoulou, TD Papageorgiou, K Pape, L and Parkes, C Parodi, F Parzefall, U Passeri, A Pegoraro, M and Peralta, L Pernicka, M Perrotta, A Petridou, C and Petrolini, A Phillips, HT Piana, G Pierre, F Pimenta, M and Piotto, E Podobnik, T Pol, ME Polok, G Poropat, P and Pozdniakov, V Privitera, P Pukhaeva, N Pullia, A and Radojicic, D Ragazzi, S Rahmani, H Rakoczy, D Rames, J and Ratoff, PN Read, AL Rebecchi, P Redaelli, NG Regler, M Reid, D Reinhardt, R Renton, PB Resvanis, LK and Richard, F Ridky, J Rinaudo, G Rohne, O Romero, A and Ronchese, P Rosenberg, EI Rosinsky, P Roudeau, P and Rovelli, T Ruhlmann-Kleider, V Ruiz, A Saarikko, H and Sacquin, Y Sadovsky, A Sajot, G Salt, J Sampsonidis, D and Sannino, M Schneider, H Schwemling, P Schwickerath, U and Schyns, MAE Scuri, F Seager, P Sedykh, Y Segar, AM and Sekulin, R Shellard, RC Sheridan, A Silvestre, R and Simard, L Simonetto, F Sisakian, AN Skaali, TB Smadja, G and Smirnov, N Smirnova, O Smith, GR Solovianov, O and Sopczak, A Sosnowski, R Spassov, T Spiriti, E Sponholz, P Squarcia, S Stampfer, D Stanescu, C Stanic, S and Stapnes, S Stevenson, K Stocchi, A Strauss, J Strub, R and Stugu, B Szczekowski, M Szeptycka, M Tabarelli, T and Tegenfeldt, F Terranova, F Thomas, J Tilquin, A and Timmermans, J Tkatchev, LG Todorov, T Todorova, S Toet, DZ Tomaradze, A Tome, B Tonazzo, A Tortora, L and Transtromer, G Treille, D Tristram, G Trombini, A and Troncon, C Tsirou, A Turluer, ML Tyapkin, IA Tzamarias, S Ueberschaer, B Ullaland, O Uvarov, V Valenti, G and Vallazza, E Van Apeldoorn, GW Van Dam, P Van Eldik, J and Van Lysebetten, A Van Vulpen, I Vassilopoulos, N Vegni, G and Ventura, L Venus, W Verbeure, F Verlato, M and Vertogradov, LS Verzi, V Vilanova, D Vitale, L Vlasov, E and Vodopyanov, AS Voulgaris, G Vrba, V Wahlen, H Walck, C Weiser, C Wetherell, AM Wicke, D Wickens, JH and Wilkinson, GR Winter, M Witek, M Wlodek, T Wolf, G and Yi, J Yushchenko, JY Zaitsev, A Zalewska, A Zalewski, P and Zavrtanik, D Zevgolatakos, E Zimin, NI Zucchelli, GC and Zumerle, G DELPHI Collaboration
Abstract: {Decays of W+/- bosons, produced at LEP2, have been used to measure the \textbackslash{}V-cs\textbackslash{} element of the Cabibbo-Kobayashi-Maskawa matrix. Values for \textbackslash{}V-cs\textbackslash{} were extracted both from the measured hadronic branching ratio of W+/- decays and by tagging the flavour of hadronic jets produced in W+/- decays. Applying the two methods to the data collected during 1996 at energies of 161 and 172 GeV, DELPHI obtains \textbackslash{}V-cs\textbackslash{} = 0.91(-0.14)(+0.15)(stat) +/- 0.05(syst). (C) 1998 Elsevier Science B.V. All rights reserved.}
Published: 1998

62. A study of the hadronic resonance structure in the decay tau -> 3 pi nu(tau)

Author: Abreu, P, Adam, W, Adye, T, Adzic, P, Alekseev, Gd, Alemany, R, Allport, Pp, Almehed, S, Amaldi, U, Amato, S, Andersson, P, Andreazza, A, Antilogus, P, Apel, Wd, Arnoud, Y, Asman, B, Augustin, Je, Augustinus, A, Baillon, P, Bambade, P, Barao, F, Barbiellini, G, Barbier, R, Bardin, Dy, Barker, G, Baroncelli, A, Barring, O, Bates, Mj, Battaglia, M, Baubillier, M, Becks, Kh, Begalli, M, Beilliere, P, Belokopytov, Y, Belous, K, Benvenuti, Ac, Berat, C, Berggren, M, Bertini, D, Bertrand, D, Besancon, M, Bianchi, F, Bigi, M, Bilenky, Ms, Bizouard, Ma, Bloch, D, Bonesini, M, Bonivento, W, Boonekamp, M, Booth, Psl, Borgland, Aw, Borisov, G, Bosio, C, Botner, O, Boudinov, E, Bouquet, B, Bourdarios, C, Bowcock, Tjv, Boyko, I, Bozovic, I, Bozzo, M, Branchini, P, Brand, Kd, Brenke, T, Brenner, Ra, Brown, R, Bruckman, P, Brunet, Jm, Bugge, L, Buran, T, Burgsmueller, T, Buschmann, P, Cabrera, S, Caccia, M, Calvi, M, Rozas, Ajc, Camporesi, T, Canale, V, Canepa, M, Carena, F, Carroll, L, Caso, C, Gimenez, Mvc, Cattai, A, Cavallo, Fr, Cerruti, C, Chabaud, V, Chapkin, M, Charpentier, P, Chaussard, L, Checchia, P, Chelkov, Ga, Chen, M, Chierici, R, Chliapnikov, P, Chochula, P, Chorowicz, V, Chudoba, J, Cieslik, K, Collins, P, Colomer, M, Contri, R, Cortina, E, Cosme, G, Cossutti, F, Cowell, Jh, Crawley, Hb, Crennell, D, Crosetti, G, Maestro, Jc, Czellar, S, Dalmagne, B, Damgaard, G, Dauncey, Pd, Davenport, M, Da Silva, W, Deghorain, A, Della Ricca, G, Delpierre, P, Demaria, N, DE ANGELIS, Alessandro, De Boer, W, De Brabandere, S, De Clercq, C, DE LOTTO, Barbara, De Min, A, De Paula, L, Dijkstra, H, Di Ciaccio, L, Di Diodato, A, Djannati, A, Dolbeau, J, Doroba, K, Dracos, M, Drees, J, Drees, Ka, Dris, M, Duperrin, A, Durand, Jd, Edsall, D, Ehret, R, Eigen, G, Ekelof, T, Ekspong, G, Ellert, M, Elsing, M, Engel, Jp, Erzen, B, Falk, E, Fanourakis, G, Fassouliotis, D, Fayot, J, Feindt, M, Ferrari, P, Ferrer, A, Fichet, S, Firestone, A, Fischer, Pa, Flagmeyer, U, Foeth, H, Fokitis, E, Fontanelli, F, Franek, B, Frodesen, Ag, Fruhwirth, R, Fulda Quenzer, F, Fuster, J, Galloni, A, Gamba, D, Gandelman, M, Garcia, C, Garcia, J, Gaspar, C, Gaspar, M, Gasparini, U, Gavillet, P, Gazis, En, Gele, D, Gerber, Jp, Gerdyukov, L, Ghodbane, N, Glege, F, Gokieli, R, Golob, B, Goncalves, P, Caballero, Ig, Gopal, G, Gorn, L, Gorski, M, Gracco, V, Grahl, J, Graziani, E, Green, C, Grefrath, A, Gris, P, Grosdidier, G, Grzelak, K, Gunther, M, Guy, J, Hahn, F, Hahn, S, Haider, S, Hallgren, A, Hamacher, K, Harris, Fj, Hedberg, V, Heising, S, Henriques, R, Hernandez, Jj, Herquet, P, Herr, H, Hessing, Tl, Heuser, Jm, Higon, E, Holmgren, So, Holt, Pj, Holthuizen, D, Hoorelbeke, S, Houlden, M, Hrubec, J, Huet, K, Hultqvist, K, Jackson, Jn, Jacobsson, R, Jalocha, P, Janik, R, Jarlskog, C, Jarlskog, G, Jarry, P, Jean Marie, B, Johansson, Ek, Jonsson, L, Jonsson, P, Joram, C, Juillot, P, Kapusta, F, Karafasoulis, K, Katsanevas, S, Katsoufis, Ec, Keranen, R, Khokhlov, Y, Khomenko, Ba, Khovanski, Nn, King, B, Kjaer, Nj, Klapp, O, Klein, H, Kluit, P, Knoblauch, D, Kokkinias, P, Koratzinos, M, Kostioukhine, V, Kourkoumelis, C, Kouznetsov, O, Krammer, M, Kreuter, C, Kronkvist, I, Krumstein, Z, Kubinec, P, Kucewicz, W, Kurvinen, K, Lacasta, C, Lamsa, Jw, Lanceri, L, Lane, Dw, Langefeld, P, Laugier, Jp, Lauhakangas, R, Leder, G, Ledroit, F, Lefebure, V, Legan, Ck, Leisos, A, Leitner, R, Lemonne, J, Lenzen, G, Lepeltier, V, Lesiak, T, Lethuillier, M, Libby, J, Liko, D, Lipniacka, A, Lippi, I, Loerstad, B, Loken, Jg, Lopes, Jh, Lopez, Jm, Loukas, D, Lutz, P, Lyons, L, Macnaughton, J, Maehlum, G, Mahon, Jr, Maio, A, Malek, A, Malmgren, Tgm, Malychev, V, Mandl, F, Marco, J, Marco, R, Marechal, B, Margoni, M, Marin, Jc, Mariotti, C, Markou, A, Martinez Rivero, C, Martinez Vidal, F, Garcia, Smi, Masik, J, Matorras, F, Matteuzzi, C, Matthiae, G, Mazzucato, F, Mazzucato, M, Mccubbin, M, Mckay, R, Mcnulty, R, Mcpherson, G, Medbo, J, Meroni, C, Meyer, Wt, Miagkov, A, Michelotto, M, Migliore, E, Mirabito, L, Mitraroff, Wa, Mjoernmark, U, Moa, T, Moeller, R, Moenig, K, Monge, Mr, Moreau, X, Morettini, P, Mueller, H, Muenich, K, Mulders, M, Mundim, Lm, Murray, Wj, Muryn, B, Myatt, G, Myklebust, T, Naraghi, F, Navarria, Fl, Navas, S, Nawrocki, K, Negri, P, Nemecek, S, Neufeld, N, Neumann, W, Neumeister, N, Nicolaidou, R, Nielsen, Bs, Nieuwenhuizen, M, Nikolaenko, V, Nikolenko, M, Niss, P, Nomerotski, A, Normand, A, Nygren, A, Oberschulte Beckmann, W, Obraztsov, V, Olshevski, Ag, Onofre, A, Orava, R, Orazi, G, Osterberg, K, Ouraou, A, Paganini, P, Paganoni, M, Paiano, S, Pain, R, Paiva, R, Palka, H, Papadopoulou, Td, Papageorgiou, K, Pape, L, Parkes, C, Parodi, F, Parzefall, U, Passeri, A, Pegoraro, M, Peralta, L, Pernegger, H, Pernicka, M, Perrotta, A, Petridou, C, Petrolini, A, Phillips, Ht, Piana, G, Pierre, F, Pimenta, M, Piotto, E, Podobnik, T, Podobrin, O, Pol, Me, Polok, G, Poropat, P, Pozdniakov, V, Privitera, P, Pukhaeva, N, Pullia, A, Radojicic, D, Ragazzi, S, Rahmani, H, Rakoczy, D, Ratoff, Pn, Read, Al, Rebecchi, P, Redaelli, Ng, Regler, M, Reid, D, Reinhardt, R, Renton, Pb, Resvanis, Lk, Richard, F, Ridky, J, Rinaudo, G, Rohne, O, Romero, A, Ronchese, P, Rosenberg, Ei, Rosinsky, P, Roudeau, P, Rovelli, T, Ruhlmann Kleider, V, Ruiz, A, Saarikko, H, Sacquin, Y, Sadovsky, A, Sajot, G, Salt, J, Sampsonidis, D, Sannino, M, Schneider, H, Schwemling, P, Schwickerath, U, Schyns, Mae, Scuri, Fabrizio, Seager, P, Sedykh, Y, Segar, Am, Sekulin, R, Shellard, Rc, Sheridan, A, Silvestre, R, Simonetto, F, Sisakian, An, Skaali, Tb, Smadja, G, Smirnov, N, Smirnova, O, Smith, Gr, Sokolov, A, Solovianov, O, Sopczak, A, Sosnowski, R, Souza Santos, D, Spassov, T, Spiriti, E, Sponholz, P, Squarcia, S, Stampfer, D, Stanescu, C, Stanic, S, Stapnes, S, Stavitski, I, Stevenson, K, Stocchi, A, Strauss, J, Strub, R, Stugu, B, Szczekowski, M, Szeptycka, M, Tabarelli, T, Tegenfeldt, F, Terranova, F, Thomas, J, Tilquin, A, Timmermans, J, Tkatchev, Lg, Todorov, T, Todorova, S, Toet, Dz, Tomaradze, A, Tome, B, Tonazzo, A, Tortora, L, Transtromer, G, Treille, D, Tristram, G, Trombini, A, Troncon, C, Tsirou, A, Turluer, Ml, Tyapkin, Ia, Tyndel, M, Tzamarias, S, Ueberschaer, B, Ullaland, O, Uvarov, V, Valenti, G, Vallazza, E, Van Apeldoorn GW, Van Dam, P, Van Doninck WK, Van Eldik, J, Van Lysebetten, A, Van Vulpen, I, Vassilopoulos, N, Vegni, G, Ventura, L, Venus, W, Verbeure, F, Verlato, M, Vertogradov, Ls, Verzi, V, Vilanova, D, Vitale, L, Vlasov, E, Vodopyanov, As, Vrba, V, Wahlen, H, Walck, C, Weiser, C, Wetherell, Am, Wicke, D, Wickens, Jh, Wielers, M, Wilkinson, Gr, Williams, Wsc, Winter, M, Witek, M, Wlodek, T, Wolf, G, Yi, J, Yushchenko, O, Zaitsev, A, Zalewska, A, Zalewski, P, Zavrtanik, D, Zevgolatakos, E, Zimin, Ni, Zucchelli, Gc, and Zumerle, G.
Published: 1998

63. pi(+/-), K-+/-, p and (p)over-bar production in Z(0)-> q(q)over-bar, Z(0)-> b(b)over-bar, Z(0)-> u(u)over-bar,d(d)over-bar,s(s)over-bar

Author: Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Alekseev, GD, Alemany, R, Allport, PP, Almehed, S, Amaldi, U, Amato, S, Anassontzis, EG, Andersson, P, Andreazza, A, Antilogus, P, Apel, WD, Arnoud, Y, Asman, B, Augustin, JE, Augustinus, A, Baillon, P, Bambade, P, Barao, F, Barbiellini, G, Barbier, R, Bardin, DY, Barker, G, Baroncelli, A, Battaglia, M, Baubillier, M, Becks, KH, Begalli, M, Beilliere, P, Belokopytov, Y, Belous, K, Benvenuti, AC, Berat, C, Berggren, M, Bertini, D, Bertrand, D, Besancon, M, Bianchi, F, Bigi, M, Bilenky, MS, Bizouard, MA, Bloch, D, Bonesini, M, Bonivento, W, Boonekamp, M, Booth, PSL, Borgland, AW, Borisov, G, Bosio, C, Botner, O, Boudinov, E, Bouquet, B, Bourdarios, C, Bowcock, TJV, Boyko, I, Bozovic, I, Bozzo, M, Branchini, P, Brenke, T, Brenner, RA, Bruckman, P, Brunet, JM, Bugge, L, Buran, T, Burgsmueller, T, Buschmann, P, Cabrera, S, Caccia, M, Calvi, M, Rozas, AJC, Camporesi, T, Canale, V, Canepa, M, Carena, F, Carroll, L, Caso, C, Gimenez, MVC, Cattai, A, Cavallo, FR, Cerruti, C, Chabaud, V, Charpentier, P, Chaussard, L, Checchia, P, Chelkov, GA, Chen, M, Chierici, R, Chliapnikov, P, Chochula, P, Chorowicz, V, Chudoba, J, Collins, P, Colomer, M, Contri, R, Cortina, E, Cosme, G, Cossutti, F, Cowell, JH, Crawley, HB, Crennell, D, Crosetti, G, Maestro, JC, Czellar, S, Dalmagne, B, Damgaard, G, Davenport, M, Da Silva, W, Deghorain, A, Della Ricca, G, Delpierre, P, Demaria, N, De Angelis, A, De Boer, W, De Brabandere, S, De Clerq, C, De Lotto, B, De Min, A, De Paula, L, Dijkstra, H, Di Ciaccio, L, Di Diodato, A, Djannati, A, Dolbeau, J, Doroba, K, Dracos, M, Drees, J, Drees, KA, Dris, M, Duperrin, A, Durand, JD, Ehret, R, Eigen, G, Ekelof, T, Ekspong, G, Ellert, M, Elsing, M, Engel, JP, Erzen, B, Santo, ME, Falk, E, Fanourakis, G, Fassouliotis, D, Fayot, J, Feindt, M, Ferrari, P, Ferrer, A, Fichet, S, Firestone, A, Fischer, PA, Flagmeyer, U, Foeth, H, Fokitis, E, Fontanelli, F, Franek, B, Frodesen, AG, Fruhwirth, R, Fulda-Quenzer, F, Fuster, J, Galloni, A, Gamba, D, Gandelman, M, Garcia, C, Garcia, J, Gaspar, C, Gaspar, M, Gasparini, U, Gavillet, P, Gazis, EN, Gele, D, Gerber, JP, Gerdyukov, L, Ghodbane, N, Gil, I, Glege, F, Gokieli, R, Golob, B, Goncalves, P, Caballero, IG, Gopal, G, Gorn, L, Gorski, M, Gouz, Y, Gracco, V, Grahl, J, Graziani, E, Green, C, Grefrath, A, Gris, P, Grzelak, K, Gunther, M, Guy, J, Hahn, F, Hahn, S, Haider, S, Hallgren, A, Hamacher, K, Harris, FJ, Hedberg, V, Heising, S, Henriques, R, Hernandez, JJ, Herquet, P, Herr, H, Hessing, TL, Heuser, JM, Higon, E, Holmgren, SO, Holt, PJ, Holthuizen, D, Hoorelbeke, S, Houlden, M, Huet, K, Hultqvist, K, Jackson, JN, Jacobsson, R, Jalocha, P, Janik, R, Jarlskog, C, Jarlskog, G, Jarry, P, Jean-Marie, B, Johansson, EK, Jonsson, P, Joram, C, Juillot, P, Kapusta, F, Karafasoulis, K, Katsanevas, S, Katsoufis, EC, Keranen, R, Khomenko, BA, Khovanski, NN, Kiiskinen, A, King, B, Kjaer, NJ, Klapp, O, Klein, H, Kluit, P, Knoblauch, D, Kokkinias, P, Koratzinos, M, Kourkoumelis, C, Kouznetsov, O, Krammer, M, Kreuter, C, Kriznic, E, Krumstein, Z, Kubinec, P, Kucewicz, W, Kurvinen, K, Lamsa, JW, Lanceri, L, Lane, DW, Langefeld, P, Lapin, V, Laugier, JP, Lauhakangas, R, Leder, G, Ledroit, F, Lefebure, V, Leinonen, L, Leisos, A, Leitner, R, Lemonne, J, Lenzen, G, Lepeltier, V, Lesiak, T, Lethuillier, M, Libby, J, Liko, D, Lipniacka, A, Lippi, I, Loerstad, B, Loken, JG, Lopes, JH, Lopez, JM, Lopez-Fernandez, R, Loukas, D, Lutz, P, Lyons, L, MacNaughton, J, Mahon, JR, Maio, A, Malek, A, Malmgren, TGM, Malychev, V, Mandl, F, Marco, J, Marco, R, Marechal, B, Margoni, M, Marin, JC, Mariotti, C, Markou, A, Martinez-Rivero, C, Martinez-Vidal, F, Garcia, SM, Matorras, F, Matteuzzi, C, Matthiae, G, Mazzucato, F, Mazzucato, M, McCubbin, M, McKay, R, McNulty, R, McPherson, G, Meroni, C, Meyer, WT, Miagkov, A, Migliore, E, Mirabito, L, Mitaroff, WA, Mjoernmark, U, Moa, T, Moeller, R, Moenig, K, Monge, MR, Moreau, X, Morettini, P, Morton, G, Muenich, K, Mulders, M, Mulet-Marquis, C, Muresan, R, Murray, WJ, Muryn, B, Myatt, G, Myklebust, T, Naraghi, F, Navarria, FL, Navas, S, Nawrocki, K, Negri, P, Nemecek, S, Neufeld, N, Neumann, W, Neumeister, N, Nicolaidou, R, Nielsen, BS, Nieuwenhuizen, M, Nikolaenko, V, Nikolenko, M, Nomokonov, V, Normand, A, Nygren, A, Obraztsov, V, Olshevski, AG, Onofre, A, Orava, R, Orazi, G, Osterberg, K, Ouraou, A, Paganini, P, Paganoni, M, Paiano, S, Pain, R, Paiva, R, Palacios, J, Palka, H, Papadopoulou, TD, Papageorgiou, K, Pape, L, Parkes, C, Parodi, F, Parzefall, U, Passeri, A, Pegoraro, M, Peralta, L, Pernicka, M, Perrotta, A, Petridou, C, Petrolini, A, Phillips, HT, Piana, G, Pierre, F, Pimenta, M, Piotto, E, Podobnik, T, Pol, ME, Polok, G, Poropat, P, Pozdniakov, V, Privitera, P, Pukhaeva, N, Pullia, A, Radojicic, D, Ragazzi, S, Rahmani, H, Rakoczy, D, Rames, J, Ratoff, PN, Read, AL, Rebecchi, P, Redaelli, NG, Regler, M, Reid, D, Reinhardt, R, Renton, PB, Resvanis, LK, Richard, F, Ridky, J, Rinaudo, G, Rohne, O, Romero, A, Ronchese, P, Rosenberg, EI, Rosinsky, P, Roudeau, P, Rovelli, T, Ruhlmann-Kleider, V, Ruiz, A, Saarikko, H, Sacquin, Y, Sadovsky, A, Sajot, G, Salt, J, Sampsonidis, D, Sannino, M, Schneider, H, Schwemling, P, Schwickerath, U, Schyns, MAE, Scuri, F, Seager, P, Sedykh, Y, SEgar, AM, Sekulin, R, Senko, V, Shellard, RC, Sheridan, A, Silvestre, R, Simard, L, Simonetto, F, Sisakian, AN, Skaali, TB, Smadja, G, Smirnova, O, Smith, GR, Solovianov, O, Sopczak, A, Sosnowski, R, Spassov, T, Spiriti, E, Sponholz, P, Squarcia, S, Stampfer, D, Stanescu, C, Stanic, S, Stapnes, S, Stevenson, K, Stocchi, A, Strauss, J, Strub, R, Stugu, B, Szczekowski, M, Szeptycka, M, Tabarelli, T, Tegenfeldt, F, Terranova, F, Thomas, J, Tilquin, A, Timmermans, J, Tkatchev, LG, Todorov, T, Todorova, S, Toet, DZ, Tomaradze, A, Tome, B, Tonazzo, A, Tortora, L, Transtromer, G, Treille, D, Tristram, G, Trombini, A, Troncon, C, Tsirou, A, Turluer, ML, Tyapkin, IA, Tzamarias, S, Ueberschaer, B, Ullaland, O, Uvarov, V, Valenti, G, Vallazza, E, Vander Velde, C, Van Apeldoorn, GW, Van Dam, P, Van Doninck, WK, Van Eldik, J, Van Lysebetten, A, Van Vulpen, I, Vassilopoulos, N, Vegni, G, Ventura, L, Venus, W, Verbeure, F, Verlato, M, Vertogradov, LS, Verzi, V, Vilanova, D, Vishnevsky, N, Vitale, L, Vlasov, E, Vodopyanov, AS, Voulgaris, G, Vrba, V, Wahlen, H, Walck, C, Weiser, C, Wetherell, AM, Wicke, D, Wickens, JH, Wilkinson, GR, Winter, M, Witek, M, Wlodek, T, Wolf, G, Yi, J, Yushchenko, O, Zaitsev, A, Zalewska, A, Zalewski, P, Zavrtanik, D, Zevgolatakos, E, Zimin, NI, Zucchelli, GC, Zumerle, G, and Collaboration, DELPHI
Subjects: LUND MONTE-CARLO, QCD JETS, E+E-PHYSICS, PARTICLE, EVENTS, DELPHI, DISTRIBUTIONS, FRAGMENTATION, DETECTOR, HADRONS
Published: 1998

64. Search for neutral and charged Higgs bosons in $e^+ e^-$ collisions at $\sqrt{s}$= 161 GeV and 172 GeV

Author: Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Alekseev, Gd, Alemany, R., Allport, Pp, Almehed, S., Amaldi, U., Amato, S., Andersson, P., Andreazza, A., Antilogus, P., Apel, Wd, Arnoud, Y., Asman, B., Augustin, Je, Augustinus, A., Baillon, P., Bambade, P., Barbi, M., Bardin, Dy, Barker, G., Baroncelli, A., Barring, O., Bates, Mj, Battaglia, M., Baubillier, M., Baudot, J., Becks, Kh, Begalli, M., Beilliere, P., Belokopytov, Y., Benvenuti, Ac, Berat, C., Berggren, M., Bertini, D., Bertrand, D., Besancon, M., Bianchi, F., Bigi, M., Bilenky, Ms, Billoir, P., Bizouard, Ma, Bloch, D., Blume, H., Bonesini, M., Bonivento, W., Boonekamp, M., Booth, Psl, Borgland, Aw, Borisov, G., Bosio, C., Botner, O., Boudinov, E., Bouquet, B., Bourdarios, C., Bowcock, Tjv, Bozzo, M., Branchini, P., Brand, Kd, Brenke, T., Brenner, Ra, Brown, Rca, Bruckman, P., Brunet, Jm, Bugge, L., Buran, T., Burgsmueller, T., Buschmann, P., Cabrera, S., Caccia, M., Calvi, M., Rozas, Ajc, Camporesi, T., Canale, V., Canepa, M., Carena, F., Carroll, L., Caso, C., Gimenez, Mvc, Cattai, A., Cavallo, Fr, Chabaud, V., Charpentier, P., Chaussard, L., Checchia, P., Chelkov, Ga, Chen, M., Chierici, R., Chliapnikov, P., Chochula, P., Chorowicz, V., Chudoba, J., Cindro, V., Collins, P., Colomer, M., Contri, R., Cortina, E., Cosme, G., Cossutti, F., Cowell, Jh, Crawley, Hb, Crennell, D., Crosetti, G., Maestro, Jc, Czellar, S., Dahm, J., Dalmagne, B., Damgaard, G., Dauncey, Pd, Davenport, M., Da Silva, W., Deghorain, A., Della Ricca, G., Delpierre, P., Demaria, N., Angelis, A., Boer, W., Brabandere, S., Clercq, C., La Vaissiere, C., Lotto, B., Min, A., Paula, L., Dijkstra, H., Di Ciaccio, L., Di Diodato, A., Djannati, A., Dolbeau, J., Doroba, K., Dracos, M., Drees, J., Drees, Ka, Dris, M., Durand, Jd, Edsall, D., Ehret, R., Eigen, G., Ekelof, T., Ekspong, G., Elsing, M., Erzen, B., Engel, Jp, Santo, Me, Falk, E., Fanourakis, G., Fassouliotis, D., Feindt, M., Fenyuk, A., Ferrari, P., Ferrer, A., Fichet, S., Filippas, Ta, Firestone, A., Fischer, Pa, Foeth, H., Fokitis, E., Fontanelli, F., Formenti, F., Franek, B., Frodesen, Ag, Fruhwirth, R., Fulda-Quenzer, F., Fuster, J., Galloni, A., Gamba, D., Gandelman, M., Garcia, C., Garcia, J., Gaspar, C., Gasparini, U., Gavillet, P., Gazis, En, Gele, D., Gerber, Jp, Gerdyukov, L., Gokieli, R., Golob, B., Goncalves, P., Gopal, G., Gorn, L., Gorski, M., Gouz, Y., Gracco, V., Graziani, E., Green, C., Grefrath, A., Griss, P., Grosdidier, G., Grzelak, K., Gunther, M., Guy, J., Hahn, F., Hahn, S., Hajduk, Z., Hallgren, A., Hamacher, K., Harris, Fj, Hedberg, V., Henriques, R., Hernandez, Jj, Herquet, P., Herr, Hi, Hessing, Tl, Heuser, Jm, Higon, E., Holmgren, So, Holt, Pj, Holthuizen, D., Hoorelbeke, S., Houlden, M., Hrubec, J., Huet, K., Hultqvist, K., Jackson, Jnh, Jacobsson, R., Jalocha, P., Janik, R., Jarlskog, C., Jarlskog, G., Jarry, P., Jean-Marie, B., Johansson, Ek, Jonsson, L., Jonsson, P., Joram, C., Juillot, P., Kaiser, M., Kapusta, F., Karafasoulis, K., Karvelas, E., Katsanevas, S., Katsoufis, Ec, Keranen, R., Khokhlov, Y., Khomenko, Ba, Khovanski, Nn, King, B., Kjaer, Nj, Klapp, O., Klein, H., Kluit, P., Knoblauch, D., Kokkinias, P., Koratzinos, M., Korcyl, K., Kostioukhine, V., Kourkoumelis, C., Kouznetsov, O., Krammer, Mh, Kreuter, C., Kronkvist, I., Krumstein, Z., Krupinski, W., Kubinec, P., Kucewicz, W., Kurvinen, K., Lacasta, C., Laktineh, I., Lamsa, Jw, Lanceri, L., Lane, Dw, Langefeld, P., Laugier, Jp, Lauhakangas, R., Leder, G., Ledroit, F., Lefebure, V., Legan, Ck, Leisos, A., Leitner, R., Lemonne, J., Lenzen, G., Lepeltier, V., Lesiak, T., Lethuillier, M., Libby, J., Liko, D., Lipniacka, A., Lippi, I., Loerstad, B., Loken, Jg, Lopez, Jm, Loukas, D., Lutz, P., Lyons, L., Macnaughton, J., Maehlum, G., Mahon, Jr, Maio, A., Malmgren, Tgm, Malychev, V., Mandl, F., Marco, J., Marco, R., Marechal, B., Margoni, M., Marin, Jc, Mariotti, C., Markou, A., Martinez-Rivero, C., Martinez-Vidal, F., Garcia, Smi, Masik, J., Matorras, F., Matteuzzi, C., Matthiae, G., Mazzucato, M., Mc Cubbin, M., Mc Kay, R., Mc Nulty, R., Mc Pherson, G., Medbo, J., Meroni, C., Meyer, S., Meyer, Wt, Michelotto, M., Migliore, E., Mirabito, L., Mitaroff, Wa, Mjoernmark, U., Moa, T., Moeller, R., Moenig, K., Monge, MR, Morettini, P., Mueller, H., Muenich, K., Mulders, M., Mundim, Lm, Murray, Wj, Muryn, B., Myatt, G., Myklebust, T., Naraghi, F., Navarria, Fl, Navas, S., Nawrocki, K., Negri, P., Nemecek, S., Neumann, W., Neumeister, N., Nicolaidou, R., Nielsen, Bs, Nieuwenhuizen, M., Nikolaenko, V., Nikolenko, M., Niss, P., Nomerotski, A., Normand, A., Nygren, A., Oberschulte-Beckmann, W., Obraztsov, V., Olshevski, Ag, Onofre, A., Orava, R., Orazi, G., Ortuno, S., Osterberg, K., Ouraou, A., Paganini, P., Paganoni, M., Paiano, S., Pain, R., Palka, H., Papadopoulou, Td, Papageorgiou, K., Pape, L., Parkes, C., Parodi, F., Parzefall, U., Passeri, A., Pegoraro, M., Peralta, L., Pernegger, H., Pernicka, M., Perrotta, A., Petridou, C., Petrolini, A., Phillips, Ht, Piana, G., Pierre, F., Pimenta, M., Piotto, E., Podobnik, T., Podobrin, O., Pol, Me, Polok, G., Poropat, P., Pozdniakov, V., Privitera, P., Pukhaeva, N., Pullia, A., Radojicic, D., Ragazzi, S., Rahmani, H., Ratoff, Pn, Read, Al, Reale, M., Rebecchi, P., Redaelli, Ng, Regler, M., Reid, D., Reinhardt, R., Renton, Pb, Resvanis, Lk, Richard, F., Ridky, J., Rinaudo, G., Rohne, O., Romero, A., Ronchese, P., Roos, L., Rosenberg, Ei, Rosinsky, P., Roudeau, P., Rovelli, T., Ruhlmann-Kleider, V., Ruiz, A., Rybicki, K., Saarikko, H., Sacquin, Y., Sadovsky, A., Sajot, G., Salt, J., Sannino, M., Schneider, H., Schwickerath, U., Schyns, Mae, Sciolla, G., Scuri, F., Seager, P., Sedykh, Y., Segar, Am, Seitz, A., Sekulin, R., Serbelloni, L., Shellard, Rc, Sheridan, A., Siegrist, P., Silvestre, R., Simonetto, F., Sisakian, An, Skaali, Tb, Smadja, G., Oxana Smirnova, Smith, Gr, Sokolov, A., Solovianov, O., Sosnowski, R., Souza-Santos, D., Spassov, T., Spiriti, E., Sponholz, P., Squarcia, S., Stampfer, D., Stanescu, C., Stanic, S., Stapnes, S., Stavitski, L., Stevenson, K., Stocchi, A., Strauss, J., Strub, R., Stugu, B., Szczekowski, M., Szeptycka, M., Tabarelli, T., Tavernet, Jp, Tcherniaev, E., Tchikilev, O., Tegenfeldt, F., Terranova, F., Thomas, J., Tilquin, A., Timmermans, J., Tkatchev, Lg, Todorov, T., Todorova, S., Toet, Dz, Tomaradze, A., Tome, B., Tonazzo, A., Tortora, L., Transtromer, G., Treille, D., Tristram, G., Trombini, A., Troncon, C., Tsirou, A., Turluer, Ml, Tyapkin, La, Tyndel, Mt, Tzamarias, S., Ueberschaer, B., Ullaland, O., Uvarov, V., Valenti, G., Vallazza, E., Vander Velde, C., Apeldoorn, Gw, Dam, P., Doninck, Wk, Eldik, J., Lysebetten, A., Vassilopoulos, N., Vegni, G., Ventura, L., Venus, W., Verbeure, F., Verlato, M., Vertogradov, Ls, Vilanova, D., Vincent, P., Vitale, L., Vlasov, E., Vodopyanov, As, Vrba, V., Wahlen, H., Walck, C., Waldner, F., Weiser, C., Wetherell, Am, Wicke, D., Wickens, Jh, Wielers, M., Wilkinson, Gr, Williams, Wsc, Winter, M., Witek, M., Wlodek, T., Yi, J., Yip, K., Yushchenko, O., Zach, F., Zaitsev, A., Zalewska, A., Zalewski, P., Zavrtanik, D., Zevgolatakos, E., Zimin, Ni, Zucchelli, Gc, Zumerle, G., Delphi, Collaboration, Institut de Physique Nucléaire de Lyon (IPNL), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS), Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Physique Corpusculaire et Cosmologie - Collège de France (PCC), Collège de France (CdF (institution))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), DELPHI, Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA), Collège de France (CdF)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Joseph Fourier - Grenoble 1 (UJF)-Centre National de la Recherche Scientifique (CNRS), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC), Cossutti, F., DELLA RICCA, Giuseppe, Lanceri, Livio, Poropat, Paolo, and Vitale, Lorenzo
Subjects: Quark, Particle physics, Physics and Astronomy (miscellaneous), LOWEST ORDER CALCULATIONS, Electron–positron annihilation, High Energy Physics::Lattice, Hadron, MONTE-CARLO SIMULATION, STANDARD MODEL, 2-PHOTON PROCESSES, 01 natural sciences, Partícules (Física nuclear), Nuclear physics, PHYSICS, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], RADIATIVE-CORRECTIONS, Nuclear Experiment, 010306 general physics, Engineering (miscellaneous), SUPERSYMMETRY, DELPHI, Boson, Physics, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, Supersymmetry, E+E-ANNIHILATION, LARGE ELECTRON POSITRON COLLIDER, Z(0) DECAYS, PARTICLE PHYSICS, Large Electron–Positron Collider, Higgs boson, Física nuclear, High Energy Physics::Experiment, Particle Physics - Experiment, Lepton
Abstract: A search for neutral and charged Higgs bosons has been performed in the data collected by the {\sc DELPHI} detector at centre-of-mass energies of 161~GeV and 172~GeV. The analysis assumes either the pair-production of charged Higgs bosons, ${\mathrm H}^{\pm}$, or the production of the lightest neutral Higgs boson, h, with either a Z or a neutral pseudoscalar Higgs boson, A. All final state topologies expected from the decay of h and A %neutral Higgs particles into hadrons or a pair of $\tau$ leptons, and from the decay of ${\mathrm H}^{\pm}$ %charged Higgs bosons into a pair of quarks or a $\tau \nu_{\tau}$ pair have been considered. %In the case of the associated production with a Z boson, all decay %channels of the Z have been considered. %The case of a %Higgs boson decaying into invisible products has also been studied. %The results are interpreted %in the framework of the Standard Model and of its minimal supersymmetric %extension for the neutral Higgs bosons. %Results for the charged Higgs particles are deduced in the more %general two-doublet scheme. Lower limits at the 95\% confidence level have been obtained on the Higgs boson masses. The limits are 66.2~GeV/$c^2$ for h in the Standard Model, 59.5~GeV/$c^2$ for h and 51.0~GeV/$c^2$ for A in the minimal supersymmetric extension of the Standard Model and 51.5~GeV/$c^2$ for ${\mathrm H}^{\pm}$ in the general two-doublet scheme for ${\mathrm H}^{\pm}$ branching fractions into hadrons below 0.8.
Published: 1998

65. First evidence for a charm radial excitation, D-*’

Author: Abreu, P Adam, W Adye, T Adzic, P Ajinenko, I and Alekseev, GD Alemany, R Allport, PP Almehed, S Amaldi, U and Amato, S Andersson, P Andreazza, A Antilogus, P and Apel, WD Arnoud, Y Asman, B Augustin, JE Augustinus, A and Baillon, P Bambade, P Barao, F Barbiellini, G and Barbier, R Bardin, DY Barker, G Baroncelli, A Barring, O and Battaglia, M Baubillier, M Becks, KH Begalli, M and Beilliere, P Belokopytov, Y Benvenuti, AC Berat, C and Berggren, M Bertini, D Bertrand, D Besancon, M Bianchi, F Bigi, M Bilenky, MS Bizouard, MA Bloch, D and Bonesini, M Bonivento, W Boonekamp, M Booth, PSL and Borgland, AW Borisov, G Bosio, C Botner, O Boudinov, E and Bouquet, B Bourdarios, C Bowcock, TJV Boyko, I and Bozovic, I Bozzo, M Branchini, P Brand, KD Brenke, T and Brenner, RA Brown, R Bruckman, P Brunet, JM Bugge, L and Buran, T Burgsmueller, T BUschmann, P Cabrera, S Caccia, M Calvi, M Rozas, AJC Camporesi, T Canale, V Canepa, M Carena, F Carroll, L Caso, C Gimenez, MVC Cattai, A Cavallo, FR Cerruti, C Chabaud, V Charpentier, P and Chaussard, L Checchia, P Chelkov, GA Chen, M Chierici, R and Chliapnikov, P Chochula, P Chorowicz, V Chudoba, J and Collins, P Colomer, M Contri, R Cortina, E Cosme, G and Cossutti, F Cowell, JH Crawley, HB Crennell, D Crosetti, G Maestro, JC Czellar, S Dalmagne, B Damgaard, G and Davenport, M Da Silva, W Deghorain, A Della Ricca, G and Delpierre, P Demaria, N De Angelis, A De Boer, W De Brabandere, S De Clercq, C De Lotto, B De Min, A De Paula, L Dijkstra, H Di Ciaccio, L Di Diodato, A and Djannati, A Dolbeau, J Doroba, K Dracos, M Drees, J and Drees, KA Dris, M Duperrin, A Durand, JD Ehret, R and Eigen, G Ekelof, T Ekspong, G Ellert, M Elsing, M and Engel, JP Erzen, B Santo, ME Falk, E Fanourakis, G and Fassouliotis, D Fayot, J Feindt, M Fenyuk, A Ferrari, P and Ferrer, A Fichet, S Firestone, A Fischer, PA and Flagmeyer, U Foeth, H Fokitis, E Fontanelli, F Franek, B and Frodesen, AG Fruhwirth, R Fulda-Quenzer, F Fuster, J and Galloni, A Gamba, D Gandelman, M Garcia, C Garcia, J and Gaspar, C Gaspar, M Gasparini, U Gavillet, P Gazis, EN and Gele, D Gerber, JP Gerdyukov, L Ghodbane, N Gil, I and Glege, F Gokieli, R Golob, B Goncalves, P Caballero, IG Gopal, G Gorn, L Gorski, M Gouz, Y Gracco, V and Grahl, J Graziani, E Green, C Grefrath, A Gris, P and Grosdidier, G Grzelak, K Gunther, M Guy, J Hahn, F and Hahn, S Haider, S Hallgren, A Hamacher, K Harris, FJ and Hedberg, V Heising, S Henriques, R Hernandez, JJ and Herquet, P Herr, H Hessing, TL Heuser, JM Higon, E and Holmgren, SO Holt, PJ Holthuizen, D Hoorelbeke, D and Houlden, M Hrubec, J Huet, K Hultqvist, K Jackson, JN and Jacobsson, R Jalocha, P Janik, R Jarlskog, C Jarry, P Jean-Marie, B Johansson, EK Jonsson, L Jonsson, P and Joram, C Juillot, P Kapusta, F Karafasoulis, K and Katsanevas, S Katsoufis, EC Keranen, R Khomenko, BA and Khovanski, NN King, B Kjaer, NJ Klapp, O Klein, H and Kluit, P Knoblauch, D Kokkinias, P Koratzinos, M and Kostioukhine, V Kourkoumelis, C Kouznetsov, O Krammer, M and Kreuter, C Kronkvist, I Krstic, J Krumstien, Z Kubinec, P Kucewicz, W Kurvinen, K Lacasta, C Lamsa, JW and Lanceri, L Lane, DW Langefeld, P Lapin, V Laugier, JP and Lauhakangas, R Leder, G Ledroit, F Lefebure, V and Leinonen, L Leisos, A Leitner, R Lemonne, L Lenzen, G and Lepeltier, V Lesiak, T Lethuillier, M Libby, J Liko, D Lipniacka, A Lippi, I Loerstad, B Loken, JG Lopes, JH Lopez, JM Loukas, D Lutz, P Lyons, L MacNaughton, J Mahon, JR Maio, A Malek, A Malmgren, TGM Malychev, V Mandl, F Marco, J Marco, R Marechal, B Margoni, M and Marin, JC Mariotti, C Markou, A Martinez-Rivero, C and Martinez-Vidal, F Garcia, SMI Matorras, F Matteuzzi, C and Matthiae, G Mazzucato, F Mazzucato, M McCubbin, M McKay, R McNulty, R McPherson, G Medbo, J Meroni, C and Miagkov, A Michelotto, M Migliore, E Mirabito, L and Mitaroff, WA Mjoernmark, U Moa, T Moeller, R Moenig, K and Monge, MR Moreau, X Morettini, P Morton, G Muenich, K Mulders, M Mundim, LM Murray, WJ Muryn, B Myatt, G and Myklebust, T Naraghi, F Navarria, FL Navas, S and Nawrocki, K Negri, P Nemecek, S Neufeld, M Neumann, W and Neumeister, N Nicolaidou, R Nielsen, BS Nieuwenhuizen, M and Nikolaenko, V Nikolenko, M Nomerotski, A Normand, A and Nygren, A Oberschulte-Beckmann, W Obraztsov, V Olshevski, AG and Onofre, A Orava, R Orazi, G Osterberg, K Ouraou, A and Paganini, P Paganoni, M Paiano, S Pain, R Paiva, R and Palacios, J Palka, H Papadopoulou, TD Papageorgiou, K and Pape, L Parkes, C Parodi, F Parzefall, U Passeri, A and Pegoraro, M Peralta, L Pernegger, H Pernicka, M and Perrotta, A Petridou, C Petrolini, A Phillips, HT Piana, G Pierre, F Pimenta, M Piotto, E Podobnik, T and Podobrin, O Pol, ME Polok, G Poropat, P Pozdniakov, V and Privitera, P Pukhaeva, N Pullia, A Radojicic, D and Ragazzi, S Rahmani, H Rakoczy, D Rames, J Ratoff, PN and Read, AL Rebecchi, P Redaelli, NG Regler, M Reid, D and Reingardt, R Renton, PB Resvanis, LK Richard, F Ridky, J and Rinaudo, G Rohne, O Romero, A Ronchese, P Rosenberg, EI Rosinsky, P Roudeau, P Rovelli, T Ruhlmann-Kleider, V and Ruiz, A Saarikko, H Sacquin, Y Sadovsky, A Sajot, G and Salt, J Sampsonidis, D Sannino, M Schneider, H and Schwemling, P Schwickerath, U Schyns, MAE Scuri, F and Seager, P Sedykh, Y Segar, AM Sekulin, R Shellard, RC and Sheridan, A Silvestre, R Simonetto, F Sisakian, AN and Skaali, TB Smadja, G Smirnov, N Smirnova, O Smith, GR and Sopczak, A Sosnowski, R Souza-Santos, D Spassov, T and Spiriti, E Sponholz, P Squarcia, S Stampfer, D Stanescu, C Stanic, S Stapnes, S Stavitski, I Stevenson, K and Stocchi, A Strauss, J Strub, R Stugu, B Szczekowski, M and Szeptycka, M Tabarelli, T Tegenfeldt, F Terranova, F and Thomas, J Tilquin, A Timmermans, J Tkatchev, LG Todorov, T Todorova, S Toet, DZ Tomaradze, A Tome, B Tonazzo, A Tortora, L Transtromer, G Treille, D Tristram, G and Trombini, A Troncon, C Tsirou, A Turluer, ML Tyapkin, IA and Tzamarias, S Ueberschaer, B Ullaland, O Uvarov, V and Valenti, G Vallazza, E Van Apeldoorn, GW Van Dam, P Van Eldik, J Van Lysebetten, A Van Vulpen, I Vassilopoulos, N and Vegni, G Ventura, L Venus, W Verbeure, F Verlato, M and Vertogradov, LS Verzi, V Vilanova, D Vitale, L and Vlasov, E Vodopyanov, AS Vrba, V Wahlen, H Walck, C and Weiser, C Wetherell, AM Wicke, D Wickens, JH Wilkinson, GR Winter, M Witek, M Wlodek, T Wolf, G Yi, J and Yushchenko, O Zalewska, A Zalewski, P Zavrtanik, D and Zevgolatakos, E Zimin, NI Zucchelli, GC Zumerle, G and DELPHI Collaboration
Subjects: Nuclear Theory, High Energy Physics::Experiment, Nuclear Experiment
Abstract: Using D*+ mesons exclusively reconstructed in the DELPHI detector at LEP, an excess of 66 +/- 14(stat.) events is observed in the D(*+)pi(+)pi(-) final state with a mass of 2637 +/- 2(stat.) +/- 6(syst.) MeV/c(2) and a full width smaller than 15 MeV/c(2) (95% C.L.). This signal is compatible with the expected decay of a radially excited D*’ (J(P) = 1(-))meson. (C) 1998 Published by Elsevier Science B.V. All rights reserved.
Published: 1998

66. Two-particle angular correlations in e(+)e(-) interactions compared with QCD predictions

Author: Abreu, P Adam, W Adye, T Adzic, P Ajinenko, I and Alekseev, GD Alemany, R Allport, PP Almehed, S Amaldi, U and Amato, S Anassontzis, EG Andersson, P Andreazza, A and Andringa, S Antilogus, P Apel, WD Arnoud, Y Asman, B and Augustin, JE Augustinus, A Baillon, P Bambade, P Barao, F Barbiellini, G Barbier, R Bardin, DY Barker, G and Baroncelli, A Battaglia, M Baubillier, M Becks, KH and Begalli, M Beilliere, P Belokopytov, Y Belous, K and Benvenuti, AC Berat, C Berggren, M Bertini, D Bertrand, D Besancon, M Bianchi, F Bigi, M Bilenky, MS and Bizouard, MA Bloch, D Blom, HM Bonesini, N Bonivento, W and Boonekamp, M Booth, PSL Borgland, AW Borisov, G and Bosio, C Botner, O Boudinov, E Bouquet, B Bourdarios, C and Bowcock, TJV Boyko, I Bozovic, I Bozzo, M Branchini, P Brenke, T Brenner, RA Bruckman, P Brunet, JM and Bugge, L Buran, T Burgsmueller, T Buschbeck, B and Buschmann, P Cabrera, S Caccia, M Calvi, M Rozas, AJC and Camporesi, T Canale, V Carena, F Carroll, L Caso, C and Gimenez, MVC Cattai, A Cavallo, FR Cerruti, C and Chabaud, V Charpentier, P Chochula, P Chorowicz, V and Chudoba, J Collins, P Colomer, M Contri, R Cortina, E and Cosme, G Cossutti, F Cowell, JH Crawley, HB and Crennell, D Crosetti, G Maestro, JC Czellar, S Damgaard, G Davenport, M Da Silva, W Deghorain, A Della Ricca, G and Delpierre, P Demaria, N De Angelis, A De Boer, W De Brabandere, S De Clercq, C De Lotto, B De Min, A De Paula, L Dijkstra, K Di Ciaccio, L Di Diodato, A and Dolbeau, J Doroba, K Dracos, M Drees, J Dris, M and Duperrin, A Durand, JD Ehret, R Eigen, G Ekelof, T and Ekspong, G Ellert, M Elsing, M Engel, JP Erzen, B and Santo, ME Falk, E Fanourakis, G Fassouliotis, D Fayot, J and Feindt, M Ferrari, P Ferrer, A Ferrer-Ribas, E and Fichet, S Firestone, A Fischer, PA Flagmeyer, U Foeth, H and Fokitis, E Fontanelli, F Franek, B Frodesen, AG and Fruhwirth, R Fulda-Quenzer, F Fuster, J Galloni, A and Gamba, D Gamblin, S Gandelman, M Garcia, C Garcia, J and Gaspar, C Gaspar, M Gasparini, U Gavillet, P Gazis, EN and Gele, D Gerber, JP Gerdyukov, L Ghodbane, N Gil, I and Glege, F Gokieli, R Golob, B Goncalves, P Caballero, IG Gopal, G Gorn, L Gorski, M Gouz, Y Gracco, V and Grahl, J Graziani, E Green, C Gris, P Grzelak, K and Gunther, M Guy, J Hahn, F Hahn, S Haider, S and Hallgren, A Hamacher, K Harris, FJ Hedberg, V Heising, S and Hernandez, JJ Herquet, P Herr, H Hessing, TL Heuser, JM Higon, E Holmgren, SO Holt, PJ Holthuizen, D and Hoorelbeke, S Houlden, M Hrubec, J Huet, K Hultqvist, K and Jackson, JN Jacobsson, R Jalocha, P Janik, R and Jarlskog, C Jarlskog, G Jarry, P Jean-Marie, B and Johansson, EK Jonsson, P Joram, C Juillot, P Kapusta, F and Karafasoulis, K Katsanevas, S Katsoufis, EC Keranen, R and Khomenko, BA Khovanski, NN Kiiskinen, A King, B and Kjaer, NJ Klapp, O Klein, H Kluit, P Knoblauch, D and Kokkinias, P Koratzinos, M Kostioukhine, V Kourkoumelis, C and Kouznetsov, O Krammer, M Kreuter, C Kriznic, E and Krstic, J Krumstein, Z Kubinec, P Kucewicz, W Kurvinen, K Lamsa, JW Lane, DW Langefeld, P Lapin, V Laugier, JP Lauhakangas, R Leder, G Ledroit, F Lefebure, V and Leinonen, L Leisos, A Leitner, R Lenzen, G Lepeltier, V and Lesiak, T Lethuillier, M Libby, J Liko, D Lipniacka, A Lippi, I Loerstad, B Loken, JG Lopes, JH Lopez, JM and Lopez-Fernandez, R Loukas, D Lutz, P Lyons, L and MacNaughton, J Mahon, JR Maio, A Malek, A Malmgren, TGM and Malychev, V Mandl, F Marco, J Marco, R Marechal, B and Margoni, M Marin, JC Mariotti, C Markou, A and Martinez-Rivero, C Martinez-Vidal, F Garcia, SMI and Mastroyiannopoulos, N Matorras, F Matteuzzi, C Matthiae, G and Mazik, J Mazzucato, F Mazzucato, M Mc Cubbin, M Mc Kay, R Mc Nulty, R Mc Pherson, G Meroni, C Meyer, WT and Miagkov, A Migliore, E Mirabito, L Mitaroff, WA and Mjoernmark, U Moa, T Moeller, R Moenig, K Monge, MR and Moreau, X Morettini, P Morton, G Mueller, U Muenich, K and Mulders, M Mulet-Marquis, C Muresan, R Murray, WJ and Muryn, B Myatt, G Myklebust, T Naraghi, F Navarria, FL and Navas, S Nawrocki, K Negri, P Neufeld, N Neumeister, N Nicolaidou, R Nielsen, BS Nikolaenko, V Nikolenko, M and Nomokonov, V Normand, A Nygren, A Obraztsov, V and Olshevski, AG Onofre, A Orava, R Orazi, G Osterberg, K and Ouraou, A Paganoni, M Paiano, S Pain, R Paiva, R and Palacios, J Palka, H Papadopoulou, TD Papageorgiou, K and Pape, L Parkes, C Parodi, F Parzefall, U Passeri, A and Passon, O Pegoraro, M Peralta, L Pernicka, M Perrotta, A and Petridou, C Petrolini, A Phillips, HT Piana, G and Pierre, F Pimenta, M Piotto, E Podobnik, T Pol, ME and Polok, G Poropat, P Pozdniakov, V Privitera, P Pukhaeva, N Pullia, A Radojicic, D Ragazzi, S Rahmani, H and Rakoczy, D Rames, J Ratoff, PN Read, AL Rebecchi, P and Redaelli, NG Raid, D Reinhardt, R Renton, PB Resvanis, LK Richard, F Ridky, J Rinaudo, G Rohne, O Romero, A and Ronchese, P Rosenberg, EI Rosinsky, P Roudeau, P and Rovelli, T Ruhlmann-Kleider, V Ruiz, A Saarikko, H and Sacquin, Y Sadovsky, A Sajot, G Salt, J Sampsonidis, D and Sannino, M Schneider, H Schwemling, P Schwickerath, U and Schyns, MAE Scuri, F Seager, P Sedykh, Y Segar, AM and Sekulin, R Shellard, RC Sheridan, A Siebel, M and Silvestre, R Simard, L Simonetto, F Sisakian, AN Skaali, TB Smadja, G Smirnova, O Smith, GR Sopczak, A and Sosnowski, R Spassov, T Spiriti, E Sponholz, P Squarcia, S Stampfer, D Stanescu, C Stanic, S Stapnes, S and Stevenson, K Stocchi, A Strauss, J Strub, R Stugu, B and Szczekowski, M Szeptycka, M Tabarelli, T Tchikilev, O and Tegenfeldt, F Terranova, F Thomas, J Tilquin, A and Timmermans, J Tkatchev, LG Todorov, T Todorova, S Toet, DZ Tomaradze, A Tome, B Tonazzo, A Tortora, L and Transtromer, G Treille, D Tristram, G Troncon, C Tsirou, A Turluer, ML Tyapkin, IA Tzamarias, S Ueberschaer, B and Ullaland, O Uvarov, V Valenti, G Vallazza, E Van Apeldoorn, GW Van Dam, P Van Eldik, J Van Lysebetten, A and Van Vulpen, I Vassilopoulos, N Vegni, G Ventura, L and Venus, W Verbeure, F Verlato, M Vertogradov, LS Verzi, V and Vilanova, D Vlasov, E Vodopyanov, AS Voulgaris, G and Vrba, V Wahlen, H Walck, C Weiser, C Wicke, D and Wickens, JH Willkinson, GR Winter, M Witek, M Wolf, G and Yi, J Yushchenko, O Zalewska, A Zalewski, P and Zavrtanik, D Zevgolatakos, E Zimin, NI Zucchelli, GC and Zumerle, G DELPHI Collaboration
Subjects: High Energy Physics::Experiment
Abstract: Two-particle angular correlations in jet cones have been measured in e(+)e(-) annihilation into hadrons at LEP energies (root s = 91 and 183 GeV) and are compared with QCD predictions using the LPHD hypothesis. Two different functions have been tested. While the differentially normalized correlation function shows substantial deviations from the predictions, a globally normalized correlation function agrees well. The size of alpha(s)(eff) land other QCD parameters) and its running with the relevant angular scale, the validity of LPHD, and problems due to non-perturbative effects are discussed critically. (C) 1998 Elsevier Science B.V. All rights reserved.
Published: 1998

67. Measurement of the inclusive charmless and double-charm B branching ratios

Author: Abreu, P Adam, W Adye, T Adzic, P Alekseev, GD and Alemany, P Allport, PP Almehed, S Amaldi, U Amato, S and Andersson, P Andreazza, A Antilogus, P Apel, WD Arnoud, Y Asman, B Augustin, JE Augustinus, A Baillon, P and Bambade, P Barao, F Barbier, R Bardin, DY Barker, G and Baroncelli, A Barring, O Bates, MJ Battaglia, M and Baubillier, M Becks, KH Begalli, M Beilliere, P and Belokopytov, Y Belous, K Benvenuti, AC Berat, C and Berggren, M Bertini, D Bertrand, D Besancon, M Bianchi, F Bigi, M Bilenky, MS Billoir, P Bizouard, MA Bloch, D Bonesini, M Bonivento, W Boonekamp, M Booth, PSL and Borgland, AW Borisov, G Bosio, C Botner, O Boudinov, E and Bouquet, B Bourdarios, C Bowcock, TJV Bozovic, I and Bozzo, M Branchini, P Brand, KD Brenke, T Brenner, RA and Brown, R Bruckman, P Brunet, JM Bugge, L Buran, T and Burgsmueller, T Buschmann, P Cabrera, S Caccia, M and Calvi, M Rozas, AJC Camporesi, T Canale, V Canepa, M and Carena, F Carroll, L Caso, C Gimenez, MVC Cattai, A and Cavallo, FR Cerruti, C Chabaud, V Chapkin, M and Charpentier, P Chaussard, L Checchia, P Chelkov, GA and Chen, M Chierici, R Chliapnikov, P Chochula, P and Chorowicz, V Chudoba, J Collins, P Colomer, M Contri, R and Cortina, E Cosme, G Cossutti, F Cowell, JH Crawley, HB Crennell, D Crosetti, G Maestro, JC Czellar, S and Dalmagne, B Damgaard, G Dauncey, PD Davenport, M Da Silva, W Deghorain, A Della Ricca, G Delpierre, P and Demaria, N De Angelis, A De Boer, W De Brabandere, S De Clercq, C De la Vaissiere, C De Lotto, B De Min, A De Paula, L Dijkstra, H Di Ciaccio, L Di Diodato, A and Djannati, A Dolbeau, J Doroba, K Dracos, M Drees, J and Drees, KA Dris, M Duperrin, A Durand, JD Edsall, D and Ehret, R Eigen, G Ekelof, T Ekspong, G Ellert, M and Elsing, M Engel, JP Erzen, B Santo, ME Falk, E and Fanourakis, G Fassouliotis, D Fayot, J Feindt, M Fenyuk, A Ferrari, P Ferrer, A Fichet, S Firestone, A and Fischer, PA Flagmeyer, U Foeth, H Fokitis, E Fontanelli, F Formenti, F Franek, B Frodesen, AG Fruhwirth, R and Fulda-Quenzer, F Fuster, J Galloni, A Gamba, D and Gandelman, M Garcia, C Garcia, J Caspar, C Gaspar, M and Gasparini, U Gavillet, P Gazis, EN Gele, D Gerber, JP and Gerdyukov, L Ghodbane, N Glege, F Gokieli, R Golob, B Caballero, IG Gopal, G Gorn, L Gorski, M Gracco, V and Grahl, J Graziani, E Green, C Grefrath, A Gris, P and Grosdidier, G Grzelak, K Gunther, M Guy, J Hahn, F and Hahn, S Haider, S Hajduk, Z Hallgren, A Hamacher, K and Harris, FJ Hedberg, V Heising, S Henriques, R and Hernandez, JJ Herquet, P Herr, H Hessing, TL Heuser, JM and Higon, E Holmgren, SO Holt, PJ Holthuizen, D and Hoorelbeke, S Houlden, M Hrubec, J Huet, K Hultqvist, K and Jackson, JN Jacobsson, R Jalocha, P Janik, R and Jarlskog, C Jarlskog, G Jarry, P Jean-Marie, B and Johansson, EK Jonsson, L Jonsson, P Joram, C Juillot, P and Kapusta, F Karafasoulis, K Katsanevas, S Katsoufis, EC and Keranen, R Khokhlov, Y Khomenko, BA Khovanski, NN and King, B Kjaer, NJ Klapp, O Klein, H Kluit, P and Knoblauch, D Kokkinias, P Koratzinos, M Korcyl, K and Kostioukhine, V Kourkoumelis, C Kouznetsov, O Krammer, M and Kreuter, C Kronkvist, I Krumstein, Z Kubinec, P and Kucewicz, W Kurvinen, K Lacasta, C Lamsa, JW Lanceri, L and Lane, DW Langefeld, P Laugier, JP Lauhakangas, R and Leder, G Ledroit, F Lefebure, V Legan, CK Leisos, A and Leitner, R Lemonne, J Lenzen, G Lepeltier, V Lesiak, T and Lethuillier, M Libby, J Liko, D Lipniacka, A Lippi, I Loerstad, B Loken, JG Lopes, JH Lopez, JM Loukas, D Lutz, P Lyons, L MacNaughton, J Mahon, JR Maio, A and Malek, A Malmgren, TGM Malychev, V Mandl, F Marco, J and Marco, R Marechal, B Margoni, M Marin, JC Mariotti, C Markou, A Martinez-Rivero, C Martinez-Vidal, F Garcia, SMI Matorras, F Matteuzzi, C Matthiae, G Mazzucato, F and Mazzucato, M McCubbin, M McKay, R McNulty, R and McPherson, G Medbo, J Meroni, C Meyer, WT Michelotto, M and Migliore, E Mirabito, L Mitaroff, WA Mjoernmark, U and Moa, T Moeller, R Moenig, K Monge, MR Moreau, X and Morettini, P Muenich, K Mulders, M Mundim, LM Murray, WJ and Muryn, B Myatt, G Myklebust, T Naraghi, F Navarria, FL Navas, S Nawrocki, K Negri, P Nemecek, S Neufeld, N Neumann, W Neumeister, N Nicolaidou, R Nielsen, BS and Nieuwenhuizen, M Nikolaenko, V Nikolenko, M Niss, P and Nomerotski, A Normand, A Nygren, A Oberschulte-Beckmann, W and Obraztsov, V Olshevski, AG Onofre, A Orava, R Orazi, G Osterberg, K Ouraou, A Paganini, P Paganoni, M and Paiano, S Pain, R Paiva, R Palka, H Papadopoulou, TD and Papageorgiou, K Pape, L Parkes, C Parodi, F Parzefall, U and Passeri, A Pegoraro, M Peralta, L Pernegger, H and Pernicka, M Perrotta, A Petridou, C Petrolini, A and Phillips, HT Piana, G Pierre, F Pimenta, M Piotto, E and Podobnik, T Podobrin, O Pol, ME Polok, G Poropat, P and Pozdniakov, V Privitera, P Pukhaeva, N Pullia, A and Radojicic, D Ragazzi, S Rahmani, H Rames, J Ratoff, PN and Read, AL Rebecchi, P Redaelli, NG Regler, M Reid, D and Reinhardt, R Renton, PB Resvanis, LK Richard, F and Ridky, J Rinaudo, G Rohen, O Romero, A Ronchese, P and Rosenberg, EI Rosinsky, P Roudeau, P Rovelli, T and Ruhlmann-Kleider, V Ruiz, A Saarikko, H Sacquin, Y and Sadovsky, A Sajot, G Salt, J Sampsonidis, D Sannino, M and Schneider, H Schwickerath, U Schyns, MAE Scuri, F and Seager, P Sedykh, Y Segar, AM Sekulin, R Shellard, RC and Sheridan, A Silvestre, R Simonetto, F Sisakian, AN and Skaali, TB Smadja, G Smirnov, N Smirnova, O Smith, GR and Solovianov, O Sopczak, A Sosnowski, R Souza-Santos, D and Spassov, T Spiriti, E Sponholz, P Squarcia, S and Stampfer, D Stanescu, C Stanic, S Stapnes, S Stavitski, I Stevenson, K Stocchi, A Strauss, J Strub, R Stugu, B Szczekowski, M Szeptycka, M Tabarelli, T Tchikilev, O and Tegenfeldt, F Terranova, F Thomas, J Tilquin, A and Timmermans, J Tkatchev, LG Todorov, T Todorova, S Toet, DZ Tomaradze, A Tome, B Tonazzo, A Tortora, L and Transtromer, G Treille, D Tristram, G Trombini, A and Troncon, C Tsirou, A Turluer, ML Tyapkin, IA Tyndel, M and Tzamarias, S Ueberschaer, B Ullaland, O Uvarov, V and Vodopyanov, AS Vrba, V Wahlen, H Walck, C Waldner, F and Weiser, C Wetherell, AM Wicke, D Wickens, JH Wilkinson, GR Williams, WSC Winter, M Witek, M Wlodek, T Wolf, G Yi, J Yushchenko, O Zaitsev, A Zalewska, A and Zalewski, P Zavrtanik, D Zevgolatakos, E Zimin, NI and Zucchelli, GC Zumerle, G DELPHI Collaboration
Abstract: The DELPHI experiment at LEP has measured the inclusive charmless B hadron decay branching ratio, the B branching ratio into two charmed particles, and the total number of charmed particles per B decay, using the hadronic Z data taken between 1992 and 1995. The results are extracted from a fit to the b-tagging probability distribution based on the precise impact parameter measurements made using the microvertex detector. The inclusive charmless B branching ratio, including B decays into hidden charm (c (c) over bar), is measured to be 0.033 +/- 0.021. The B branching ratio into two open charmed particles is 0.136 +/- 0.042. The mean number of charmed particles per B decay (including hidden charm) is 1.147 +/- 0.041. After subtracting the B decay branching ratio into hidden charm, the charmless B branching ratio is found to be 0.007 +/- 0.021, compatible with the Standard Model expectation. Models that predict an additional contribution to the charmless B branching ratio of 0.037 or higher are excluded with at least 95% confidence. (C) 1998 Elsevier Science B.V. All rights reserved.
Published: 1998

68. Search for charged Higgs bosons in e(+)e(-) collisions at root s = 172 GeV

Author: Abreu, P Adam, W Adye, T Adzic, P Alekseev, GD and Alemany, R Allport, PP Almehed, S Amaldi, U Amato, S and Andersson, P Andreazza, A Antilogus, P Apel, WD Arnoud, Y Asman, B Augustin, JE Augustinus, A Baillon, P and Bambade, P Barao, F Barbier, R Bardin, DY Barker, G and Baroncelli, A Barring, O Bates, MJ Battaglia, M and Baubillier, M Baudot, J Beck, KH Begalli, M Beilliere, P and Belokopytov, Y Benvenuti, AC Berat, C Berggren, M and Bertini, D Bertrand, D Besancon, M Bianchi, F Bigi, M and Bilenky, MS Billoir, P Bizouard, MA Bloch, D Blume, M Bonesini, M Bonivento, W Boonekamp, M Booth, PSL and Borgland, AW Borisov, G Bosio, C Botner, O Boudinov, E and Bouquet, B Bourdarios, C Bowcock, TJV Bozovic, I and Bozzo, M Branchini, P Brand, KD Brenke, T Brenner, RA and Brown, R Bruckman, P Brunet, JM Bugge, L Buran, T and Burgsmueller, T Buschmann, P Cabrera, S Caccia, M and Calvi, M Rozas, AJC Camporesi, T Canale, V Canepa, M and Carena, F Carroll, L Caso, C Gimenez, MVC Cattai, A and Cavallo, FR Cerruti, C Chabaud, V Chalanda, N Chapkin, M and Charpentier, P Chaussard, L Checchia, P Chelkov, GA and Chen, M Chierici, R Chliapnikov, P Chochula, P and Chorowicz, V Chudoba, J Cindro, V Collins, P Colomer, M and Contri, R Cortina, E Cosme, G Cossutti, F Cowell, JH and Crawley, HB Crannell, D Crosetti, G Maestro, JC and Czellar, S Dalmagne, B Damgaard, G Dauncey, PD and Davenport, M Da Silva, W Deghorain, A Della Ricca, G and Delpierre, P Demaria, N De Angelis, A De Boer, W De Brabandere, S De Clercq, C De La Vaissiere, C De Lotto, B and De Min, A De Paula, L Dijkstra, H Di Ciaccio, L Di Diodato, A Djannati, A Dolbeau, J Doroba, K Dracos, M and Drees, J Drees, KA Dris, M Duperrin, A Durand, JD and Edsall, D Ehret, R Eigen, G Ekelof, T Ekspong, G and Ellert, M Elsing, M Engel, JP Erzen, B Santo, ME and Falk, E Fanourakis, G Fassouliotis, D Fayot, J Feindt, M and Fenyuk, A Ferrari, P Ferrer, A Fichet, S Firestone, A Fischer, PA Flagmeyer, U Foeth, H Fokitis, E and Fontanelli, F Formenti, F Franek, B Frodesen, AG and Fruhwirth, R Fulda-Quenzer, F Fuster, J Galloni, A and Gamba, D Gandelman, M Garcia, C Garcia, J Gaspar, C and Gaspar, M Gasparini, U Gavillet, P Gazis, EN Gele, D and Gerber, JP Gerdyukov, L Ghodbane, N Glege, F Gokieli, R and Golob, B Goncalves, P Gopal, G Gorn, L Gorski, M and Gouz, Y Gracco, V Grahl, J Graziani, E Green, C and Grefrath, A Gris, P Grosdidier, G Grzelak, K Gunther, M and Guy, J Hahn, F Hahn, S Haider, S Hajduk, Z and Hallgren, A Hamacher, K Harris, FJ Hedberg, V Heising, S and Henriques, R Hernandez, JJ Herquet, P Herr, H and Hessing, TL Heuser, JM Higon, E Holmgren, SO Holt, PJ and HOlthuizen, D Hoorelbeke, S Houlden, M Hrubec, J and Huet, K Hultqvist, K Jackson, JN Jacobsson, R Jalocha, P and Janik, R Jarlskog, C Jarlskog, G Jarry, P and Jean-Marie, B Johansson, EK Jonsson, L Jonsson, P Joram, C Juillot, P Kaiser, M Kapusta, F Karafasoulis, K and Katsanevas, S Katsoufis, EC Keranen, R Khomenko, BA and Khovanski, NN King, B Kjaer, NJ Klapp, O Klein, H and Kluit, P Knoblauch, D Kokkinias, P Koratzinos, M Korcyl, K Kostioukhine, V Kourkoumelis, C Kouznetsov, O Krammer, M Kreuter, C Kronkvist, I Krstic, J Krumstein, Z and Kubinec, P Kucewicz, W Kurvinen, K Lacasta, C Lamsa, JW and Lanceri, L Lane, DW Langefeld, P Lapin, V Laugier, JP Lauhakangas, R Leder, G Ledroit, F Lefebure, V and Legan, CK Leisos, A Leitner, R Lemonne, J Lenzen, G and Lepeltier, V Lesiak, T Lethuillier, M Libby, J Liko, D and Lipniacka, A Lippi, I Loerstad, B Loken, JG Lopes, JH Lopez, JM Loukas, D Lutz, P Lyons, L MacNaughton, J Mahon, JR Maio, A Malek, A Malmgren, TGM Malychev, V Mandl, F Marco, J Marco, R Marechal, B Margoni, M and Marin, JC Mariotti, C Markou, A Martinez-Rivero, C and Martinez-Vidal, F Garcia, SMI Matorras, F Matteuzzi, C and Matthiae, G Mazzucato, M Mc Cubbin, M Mc Kay, R Mc Nulty, R Mc Pherson, G Medbo, J Meroni, C Meyer, WT and Michelotto, M Migliore, E Mirabito, L Mitaroff, WA and Mjoernmark, U Moa, T Moeller, R Moenig, K Monge, MR and Moreau, X Morettini, P Muenich, K Mulders, M Mundim, LM and Murray, WJ Muryn, B Myatt, G Myklebust, T Naraghi, F and Navarria, FL Navas, S Nawrocki, K Negri, P Nemecek, S Neufeld, N Neumann, W Neumeister, N Nicolaidou, R and Nielsen, BS Nieuwenhuizen, M Nikolaenko, V Nikolenko, M and Niss, P Nomerotski, A Normand, A Nygren, A and Oberschulte-Beckmann, W Obraztsov, V Olshevski, AG Onofre, A and Orava, R Orazi, G Ortuno, S Osterberg, K Ouraou, A and Paganini, P Paganoni, M Paiano, S Pain, R Paiva, R and Palka, H Papadopoulou, TD Papageorgiou, K Pape, L and Parkes, C Parodi, F Parzefall, U Passeri, A Pegoraro, M and Peralta, L Pernegger, H Pernicka, M Perrotta, A and Petridou, C Petrolini, A Phillips, HT Piana, G Pierre, F and Pimenta, M Piotto, E Podobnik, T Podobrin, O Pol, ME and Polok, G Poropat, P Pozdniakov, V Privitera, P and Pukhaeva, N Pullia, A Radojicic, D Ragazzi, S Rahmani, H and Rames, J Ratoff, PN Read, AL Rebecchi, P Redaelli, NG Regler, M Reid, D Reinhardt, R Renton, PB and Resvanis, LK Richard, F Ridky, J Rinaudo, G Rohne, O and Romero, A Ronchese, P Rosenberg, EI Rosinsky, P Roudeau, P Rovelli, T Ruhlmann-Kleider, V Ruiz, A Saarikko, H and Sacquin, Y Sadovsky, A Sajot, G Salt, J Sampsonidis, D and Sannino, M Schneider, H Schwickerath, U Schyns, MAE and Scuri, F Seager, P Sedykh, Y Segar, AM Seitz, A and Sekulin, R Senko, V Shellard, RC Sheridan, A Siegrist, P and Silvestre, R Simonetto, F Sisakian, AN Skaali, TB and Smadja, G Smirnova, O Smith, GR Solovianov, O Sosnowski, R Souza-Santos, D Spassov, T Spiriti, E Sponholz, P and Squarcia, S Stampfer, D Stanescu, C Stanic, S Stapnes, S and Stavitski, I Stevenson, K Stocchi, A Strauss, J and Strub, R Stugu, B Szczekowski, M Szeptycka, M Tabarelli, T Tchikilev, O Tegenfeldt, F Terranova, F Thomas, J and Tilquin, A Timmermans, J Tkatchev, LG Todorov, T and Todorova, S Toet, DZ Tomaradze, A Tome, B Tonazzo, A and Tortora, L Transtromer, G Treille, D Tristram, G and Trombini, A Troncon, C Tsirou, A Turluer, ML Tyapkin, IA and Tyndel, M Tzamarias, S Ueberschaer, B Ullaland, O and Uvarov, V Valenti, G Vallazza, E Vander Velde, C Van Apeldoorn, GW Van Dam, P Van Doninck, WK Van Eldik, J and Van Lysebetten, A Van Vulpen, I Vassilopoulos, N Vegni, G and Ventura, L Venus, W Verbeure, F Verlato, M and Vertogradov, LS Verzi, V Vilanova, D Vincent, P and Vishnevsky, N Vitale, L Vlasov, E Vodopyanov, AS Vrba, V and Wahlen, H Walck, C Waldner, F Weiser, C Wetherell, AM Wicke, O Wickens, JH Wilkinson, GR Williams, WSC and Winter, M Witek, M Wlodek, T Wolf, G Yi, J Zalewska, A Zalewski, P Zavrtanik, D Zevgolatakos, E Zimin, NI and Zucchelli, GC Zumerle, G DELPHI collaboration
Subjects: High Energy Physics::Phenomenology, High Energy Physics::Experiment
Abstract: This paper presents results on charged Higgs boson production, based on LEP data collected at root s = 172 GeV, that complement the previous DELPHI results obtained at centre of mass energies up to 161 GeV. The charged Higgs bosons are assumed to be pair produced and to decay either into a quark pair or into tau nu(tau). The three different possible final states are included in the analysis. Data from rings imaging Cherenkov and microvertex detectors are used to identify the quarks as a cs pair, The number of candidates found is compatible with the background expected from standard processes. Combining the results of the present analysis with those of the previous analysis at lower energies, a new lower mass limit for the charged Higgs boson is set at 54.5 Gev/c(2). (C) 1998 Elsevier Science B.V.
Published: 1998

69. Measurement of the charged particle multiplicity of weakly decaying B hadrons

Author: Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Alekseev, GD, Alemany, R, Allport, PP, Almehed, S, Amaldi, U, Amato, S, Andersson, P, Andreazza, A, Antilogus, P, Apel, WD, Arnoud, Y, Asman, B, Augustin, JE, Augustinus, A, Baillon, P, Bambade, P, Barao, F, Barbier, R, Bardin, DY, Barker, G, Baroncelli, A, Barring, O, Battaglia, M, Baubillier, M, Becks, KH, Begalli, M, Beilliere, P, Belokopytov, Y, Benvenuti, AC, Berat, C, Berggren, M, Bertini, D, Bertrand, D, Besancon, M, Bianchi, F, Bigi, M, Bilenky, MS, Bizouard, MA, Bloch, D, Bonesini, M, Bonivento, W, Boonekamp, M, Booth, PSL, Borgland, AW, Borisov, G, Bosio, C, Botner, O, Boudinov, E, Bouquet, B, Bourdarios, C, Bowcock, TJV, Boyko, I, Bozovic, I, Bozzo, M, Branchini, P, Brand, KD, Brenke, T, Brenner, RA, Brown, R, Bruckman, P, Brunet, JM, Bugge, L, Buran, T, Burgsmueller, T, Buschmann, P, Cabrera, S, Caccia, M, Calvi, M, Rozas, AJC, Camporesi, T, Canale, V, Canepa, M, Carena, F, Carroll, L, Caso, C, Gimenez, MVC, Cattai, A, Cavallo, FR, Cerruti, C, Chabaud, V, Chapkin, M, Charpentier, P, Chaussard, L, Checchia, P, Chelkov, GA, Chen, M, Chierici, R, Chliapnikov, P, Chochula, P, Chorowicz, V, Chudoba, J, Collins, P, Colomer, M, Contri, R, Cortina, E, Cosme, G, Cossutti, F, Cowell, JH, Crawley, HB, Crennell, D, Crosetti, G, Maestro, JC, Czellar, S, Dalmagne, B, Damgaard, G, Davenport, M, Da Silva, W, Deghorain, A, Della Ricca, G, Delpierre, P, Demaria, N, De Angelis, A, De Boer, W, De Brabandere, S, De Clercq, C, De Lotto, B, De Min, A, De Paula, L, Dijkstra, H, Di Ciaccio, L, Di Diodato, A, Djannati, A, Dolbeau, J, Doroba, K, Dracos, M, Drees, J, Drees, KA, Dris, M, Duperrin, A, Durand, JD, Ehret, UR, Eigen, G, Ekelof, T, Ekspong, G, Ellert, M, Elsing, M, Engel, JP, Erzen, B, Santo, ME, Falk, E, Fanourakis, G, Fassouliotis, D, Fayot, J, Feindt, M, Ferrari, P, Ferrer, A, Fichet, S, Firestone, A, Fischer, PA, Flagmeyer, U, Foeth, H, Fokitis, E, Fontanelli, F, Franek, B, Frodesen, AG, Fruhwirth, R, Fulda-Quenzer, F, Fuster, J, Galloni, A, Gamba, D, Gandelman, M, Garcia, C, Garcia, J, Gaspar, C, Gaspar, M, Gasparini, U, Gavillet, P, Gazis, EN, Gele, D, Gerber, JP, Gerdyukov, L, Ghodbane, N, Gil, I, Glege, F, Gokieli, R, Golob, B, Goncalves, P, Caballero, IG, Gopal, G, Gorn, L, Gorski, M, Gouz, Y, Gracco, V, Grahl, J, Graziani, E, Green, C, Grefrath, A, Gris, P, Grosdidier, G, Grzelak, K, Gunther, M, Guy, J, Hahn, F, Hahn, S, Haider, S, Hallgren, A, Hamacher, K, Harris, FJ, Hedberg, V, Heising, S, Henriques, R, Hernandez, JJ, Herquet, P, Herr, H, Hessing, TL, Heuser, JM, Higon, E, Holmgren, SO, Holt, PJ, Holthuizen, D, Hoorelbeke, S, Houlden, M, Hrubec, J, Huet, K, Hultqvist, K, Jackson, JN, Jacobsson, R, Jalocha, P, Janik, R, Jarlskog, C, Jarlskog, G, Jarry, P, Jean-Marie, B, Johansson, EK, Jonsson, L, Jonsson, P, Joram, C, Juillot, P, Kapusta, F, Karafasoulis, K, Katsanevas, S, Katsoufis, EC, Keranen, R, Khokhlov, Y, Khomenko, BA, Khovanski, NN, King, B, Kjaer, NJ, Klapp, O, Klein, H, Kluit, P, Knoblauch, D, Kokkinias, P, Koratzinos, M, Kostioukhine, V, Kourkoumelis, C, Kouznetsov, O, Krammer, M, Kreuter, C, Kronkvist, I, Krstic, J, Krumstein, Z, Kubinec, P, Kucewicz, W, Kurvinen, K, Lacasta, C, Lamsa, JW, Lanceri, L, Lane, DW, Langefeld, P, Lapin, V, Laugier, JP, Lauhakangas, R, Leder, G, Ledroit, F, Lefebure, V, Leinonen, L, Leisos, A, Leitner, R, Lemonne, J, Lenzen, G, Lepeltier, V, Lesiak, T, Lethuillier, M, Libby, J, Liko, D, Lipniacka, A, Lippi, I, Loerstad, B, Loken, JG, Lopes, JH, Lopez, JM, Loukas, D, Lutz, P, Lyons, L, MacNaughton, J, Mahon, JR, Maio, A, Malek, A, Malmgren, TGM, Malychev, V, Marco, J, Marco, R, Marechal, B, Margoni, M, Marin, JC, Mariotti, C, Markou, A, Martlnez-Rivero, C, Martinez-Vidal, F, Garcia, SMI, Matorras, F, Matteuzzi, C, Matthiae, G, Mazzucato, F, Mazzucuto, M, McCubbin, M, McKay, R, McNulty, R, McPherson, G, Medbo, J, Meroni, C, Michelotto, M, Migliore, E, Mirabito, L, Mitaroff, WA, Mjoernmark, U, Moa, T, Moeller, R, Moenig, K, Monge, MR, Moreau, X, Morettini, P, Morton, G, Muenich, K, Mulders, M, Mundim, LM, Murray, WJ, Muryn, B, Myatt, G, Myklebust, T, Naraghi, F, Navarria, FL, Navas, S, Nawrocki, K, Negri, P, Nemecek, S, Neufeld, N, Neumann, W, Neumeister, N, Nicolaidou, R, Nielsen, BS, Nieuwenhuizen, M, Nikolaenko, V, Nikolenko, M, Nomerotski, A, Normand, A, Nygren, A, Oberschulte-Beckmann, W, Obraztsov, V, Olshevski, AG, Onofre, A, Orava, R, Orazi, G, Osterberg, K, Ouraou, A, Paganini, P, Paganoni, M, Paiano, S, Pain, R, Paiva, R, Palacios, J, Palka, H, Papadopoulou, TD, Papageorgiou, K, Pape, L, Parkes, C, Parodi, F, Parzefall, U, Passeri, A, Pegoraro, M, Peralta, L, Pernicka, P, Perrotta, A, Petridou, C, Petrolini, A, Phillips, HT, Piana, G, Pierre, F, Pimenta, M, Piotto, E, Podobnik, T, Podobrin, O, Pol, ME, Polok, G, Poropat, P, Pozdniakov, V, Privitera, P, Pukhaeva, N, Pullia, A, Radojicic, D, Ragazzi, S, Rahmani, H, Rakoczy, D, Rames, J, Ratoff, PN, Read, AL, Rebecchi, P, Redaelli, NG, Regler, M, Reid, D, Reinhardt, R, Renton, PB, Resvanis, LK, Richard, F, Ridky, J, Rinaudo, G, Rohne, O, Romero, A, Ronchese, P, Rosenberg, EI, Rosinsky, P, Roudeau, P, Rovelli, T, Ruhlmann-Kleider, V, Ruiz, A, Saarikko, H, Sacquin, Y, Sadovsky, A, Sajot, G, Salt, J, Sampsonidis, D, Sannino, M, Schneider, H, Schwemling, P, Schwickerath, U, Schyns, MAE, Scuri, F, Seager, P, Sedykh, Y, Segar, AM, Sekulin, R, Shellard, RC, Sheridan, A, Silvestre, R, Simonetto, F, Sisakian, AN, Skaali, TB, Smadja, G, Smirnov, N, Smirnova, O, Smith, GR, Sopczak, A, Sosnowski, R, Souza-Santos, D, Spiriti, E, Sponholz, P, Squarcia, S, Stampfer, D, Stanescu, C, Stanic, S, Stapnes, S, Stavitski, I, Stevenson, K, Stocchi, A, Strauss, J, Strub, R, Stugu, B, Szczekowski, M, Szeptycka, M, Tabarelli, T, Tegenfeldt, F, Terranova, F, Thomas, J, Tilquin, A, Timmermans, J, Tkatchev, LG, Todorov, T, Todorova, S, Toet, DZ, Tomaradze, A, Tome, B, Tonazzo, A, Tortora, L, Transtromer, G, Treille, D, Tristram, G, Trombini, A, Troncon, C, Tsirou, A, Turluer, ML, Tyapkin, IA, Tzamarias, S, Ueberschaer, B, Ullaland, O, Uvarov, V, Valenti, G, Vallazza, E, Vander Velde, C, Van Apeldoorn, GW, Van Dam, P, Van Doninck, WK, Van Eldik, J, Van Lysebetten, A, Van Vulpen, I, Vassilopoulos, N, Vegni, G, Ventura, L, Venus, W, Verbeure, F, Verlato, M, Vertogradov, LS, Verzi, V, Vilanova, D, Vitale, L, Vlasov, E, Vodopyanov, AS, Vrba, V, Wahlen, H, Walck, C, Weiser, C, Wetherell, AM, Wicke, D, Wickens, JH, Wilkinson, GR, Winter, M, Witek, M, Wlodek, T, Wolf, G, Yi, J, Yushchenko, O, Zalewska, A, Zalewski, P, Zavrtanik, D, Zevgolatakos, E, Zimin, NI, Zucchelli, GC, Zumerle, G, Collaboration, DELPHI, Cossutti, F., DELLA RICCA, Giuseppe, Lanceri, Livio, Poropat, Paolo, Vitale, Lorenzo, Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Joseph Fourier - Grenoble 1 (UJF)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de l'Accélérateur Linéaire (LAL), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC), Physique Corpusculaire et Cosmologie - Collège de France (PCC), Collège de France (CdF (institution))-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), DELPHI, Delphi (IHEF, IoP, FNWI), UCL - SST/IRMP - Institut de recherche en mathématique et physique, Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Collège de France (CdF)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS), Delphi, Collaboration, Abreu, P., Adam, W., and Canale, Vincenzo
Subjects: Nuclear and High Energy Physics, Particle physics, Electron–positron annihilation, Hadron, MICROVERTEX DETECTOR, DELPHI DETECTOR, PHYSICS, 01 natural sciences, Partícules (Física nuclear), Nuclear physics, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Multiplicity (chemistry), 010306 general physics, DELPHI, Physics, 010308 nuclear & particles physics, Detector, LARGE ELECTRON POSITRON COLLIDER, Charged particle, PARTICLE PHYSICS, High Energy Physics::Experiment, Física nuclear, Particle Physics - Experiment
Abstract: From the Z decays recorded in 1994 and 1995 by the DELPHI detector at LEP, the charged particle multiplicity of weakly decaying B hadrons was measured to be: 4.97 +/- 0.03 +/- 0.06 excluding the K-o and Lambda decay products. (C) 1998 Published by Elsevier Science B.V. All rights reserved.
Published: 1998

70. A search for heavy stable and long-lived squarks and sleptons in e(+)e(-) collisions at energies from 130 to 183 GeV

Author: Abreu, P Adam, W Adye, T Adzic, P Aldeweireld, T and Alekseev, GD Alemany, R Allmendinger, T Allport, PP and Almehed, S Amaldi, U Amato, S Anassontzis, EG Andersson, P Andreazza, A Andringa, S Antilogus, P Apel, WD and Arnoud, Y Asman, B Augustin, JE Augustinus, A Baillon, P and Bambade, P Barao, F Barbiellini, G Barbier, R and Bardin, DY Barker, G Baroncelli, A Battaglia, M and Baubillier, M Becks, KH Begalli, M Beilliere, P and Belokopytov, Y Belous, K Benvenuti, AC Berat, C and Berggren, M Bertini, D Bertrand, D Besancon, M Bianchi, F Bigi, M Bilenky, MS Bizouard, MA Bloch, D Blom, HM and Bonesini, M Bonivento, W Boonekamp, M Booth, PSL and Borgland, AW Borisov, G Bosio, C Botner, O Boudinov, E and Bouquet, B Bourdarios, C Bowcock, TJV Boyko, I and Bozovic, I Bozzo, M Branchini, P Brenke, T Brenner, RA and Bruckman, P Brunet, JM Bugge, L Buran, T and Burgsmueller, T Buschmann, P Cabrera, S Caccia, M Calvi, M Rozas, AJC Camporesi, T Canale, V Carena, F and Carroll, L Caso, C Gimenez, MVC Cattai, A Cavallo, FR and Chabaud, V Chapkin, M Charpentier, P Chaussard, L and Checchia, P Chelkov, GA Chierici, R Chliapnikov, P and Chochula, P Chorowicz, V Chudoba, J Collins, P Colomer, M Contri, R Cortina, E Cosme, G Cossutti, F Cowell, JH Crawley, HB Crennell, D Crosetti, G Maestro, JC and Czellar, S Damgaard, G Davenport, M Da Silva, W and Deghorain, A Della Ricca, G Delpierre, P Demaria, N De Angelis, A De Boer, W De Brabandere, S De Clercq, C De Lotto, B De Min, A De Paula, L Dijkstra, H Di Ciaccio, L and Dolbeau, J Doroba, K Dracos, M Drees, J Dris, M and Duperrin, A Durand, JD Eigen, G Ekelof, T Ekspong, G and Ellert, M Elsing, M Engel, JP Erzen, B Santo, ME and Falk, E Fanourakis, G Fassouliotis, D Fayot, J Feindt, M and Fenyuk, A Ferrari, P Ferrer, A Ferrer-Ribas, E and Fichet, S Firestone, A Fischer, PA Flagmeyer, U Foeth, H and Fokitis, E Fontanelli, F Frank, B Frodesen, AG and Fruhwirth, R Fulda-Quenzer, F Fuster, J Galloni, A and Gamba, D Gamblin, S Gandelman, R Garcia, C Garcia, J and Gaspar, C Gaspar, M Gasparini, U Gavillet, P Gazis, EN and Gele, D Ghodbane, N Gil, I Glege, F Gokieli, R and Golob, B Gomez-Ceballos, G Goncalves, P Caballero, IG and Gopal, G Gorn, L Gorski, M Gouz, Y Gracco, V Grahl, J Graziani, E Green, C Grimm, HJ Gris, P Grzelak, K and Gunther, M Guy, J Hahn, F Hahn, S Haider, S and Hallgren, A Hamacher, K Harris, FJ Hedberg, V Heising, S and Hernandez, JJ Herquet, P Herr, H Hessing, TL Heuser, JM Higon, E Holmgren, SO Holt, PJ Holthuizen, D and Hoorelbeke, S Houlden, M Hrubec, J Huet, K Hultqvist, K and Jackson, JN Jacobsson, R Jalocha, P Janik, R and Jarlskog, C Jarlskog, G Jarry, P Jean-Marie, B and Johansson, EK Jonsson, P Joram, C Juillot, P Kapusta, F and Karafasoulis, K Katsanevas, S Katsoufis, EC Keranen, R and Kersevan, BP Khomenko, BA Khovanski, NN Kiiskinen, A and King, B Kjaer, NJ Klapp, O Klein, H Kluit, P and Kokkinias, P Koratzinos, M Kostioukhine, V Kourkoumelis, C and Kouznetsov, O Krammer, M Kreuter, C Kriznic, E and Krstic, J Krumstein, Z Kubinec, P Kucewicz, W Kurvinen, K Lamsa, JW Lane, DW Langefeld, P Lapin, V Laugier, JP Lauhakangas, R Leder, G Ledroit, F Lefebure, V and Leinonen, L Leisos, A Leitner, R Lemonne, J Lenzen, G and Lepeltier, V Lesiak, T Lethuillier, M Libby, J Liko, D Lipniacka, A Lippi, I Loerstad, B Loken, JG Lopes, JH Lopez, JM Lopez-Fernandez, R Loukas, D Lutz, P and Lyons, L MacNaughton, J Mahon, JR Maio, A Malek, A and Malmgren, TGM Malychev, V Mandl, F Marco, J Marco, R and Marechal, B Margoni, M Marin, JC Mariotti, C Markou, A and Martinez-Rivero, C Martinez-Vidal, F Garcia, SM and Mastroyiannopoulos, N Matorras, F Matteuzzi, C Matthiae, G and Mazik, K Mazzucato, F Mazzucato, M Mc Cubbin, M Mc Kay, R Mc Nulty, R Mc Pherson, G Meroni, C Meyer, WT and Migliore, E Mirabito, L Mitaroff, WA Mjoernmark, U Moa, T Moeller, R Moenig, K Monge, MR Moreau, X and Morettini, P Morton, G Mueller, U Muenich, K Mulders, M and Mulet-Marquis, C Muresan, R Murray, WJ Muryn, B and Myatt, G Myklebust, T Naraghi, F Navarria, FL Navas, S and Nawrocki, K Negri, P Neufeld, N Neumeister, N and Nicolaidou, R Nielsen, BS Nikolenko, M Nomokonov, V and Normand, A Nygren, A Obraztsov, V Olshevski, AG Onofre, A Orava, R Orazi, G Osterberg, K Ouraou, A Paganoni, M Paiano, S Pain, R Paiva, R Palacios, J Palka, H and Papadopoulou, TD Papageorgiou, K Pape, L Parkes, C and Parodi, F Parzefall, U Passon, O Pegoraro, M Peralta, L and Pernicka, M Perrotta, A Petridou, C Petrolini, A and Phillips, HT Pierre, F Pimenta, M Piotto, E Podobnik, T and Pol, ME Polok, G Poropat, P Pozdniakov, V Privitera, P Pukhaeva, N Pullia, A Radojicic, D Ragazzi, S and Rahmani, H Rakoczy, D Rames, J Ratoff, PN Read, AL and Rebecchi, P Redaelli, NG Regler, M Reid, D Reinhardt, R and Renton, PB Resvanis, LK Richard, F Ridky, J Rinaudo, G Rohne, O Romero, A Ronchese, P Rosenberg, EI and Rosinsky, P Roudeau, P Rovelli, T Ruhlmann-Kleider, V and Ruiz, A Saarikko, H Sacquin, Y Sadovsky, A Sajot, G and Salt, J Sampsonidis, D Sannino, M Schneider, H and Schwemling, P Schwickerath, U Schyns, MAE Scuri, F and Seager, P Sedykh, Y Segar, AM Sekulin, R Shellard, RC and Sheridan, A Siebel, M Silvestre, R Simard, L and Simonetto, F Sisakian, AN Skaali, TB Smadja, G Smirnov, N Smirnova, O Smith, GR Sopczak, A Sosnowski, R and Spassov, T Spiriti, E Sponholz, P Squarcia, S Stampfer, D Stanescu, C Stanic, S Stapnes, S Stevenson, K and Stocchi, A Strub, R Stugu, B Szczekowski, M Szeptycka, M and Tabarelli, T Tegenfeldt, F Terranova, F Thomas, J and Tilquin, A Timmermans, J Tkatchev, LG Todorova, S Toet, DZ Tomaradze, A Tome, B Tonazzo, A Tortora, L and Transtromer, G Treille, D Tristram, G Troncon, C Tsirou, A Turluer, ML Tyapkin, IA Tzamarias, S Ueberschaer, B and Ullaland, O Uvarov, V Valenti, G Vallazza, E Vander Velde, C Van Apeldoorn, GW Van Dam, P Van Donink, WK Van Eldik, J Van Lysebetten, A Van Vulpen, I Vassilopoulos, N and Vegni, G Ventura, L Venus, W Verbeure, F Verlato, M and Vertogradov, LS Verzi, V Vilanova, D Vitale, L and Vlasov, E Vodopyanov, AS Vollmer, C Voulgaris, G Vrba, V and Wahlen, H Walck, C Weiser, C Wicke, D Wickens, JH and Wilkinson, GR Winter, M Witek, M Wolf, G Yi, J and Yushchenko, O Zaitsev, A Zalewska, A Zalewski, P and Zavrtanik, D Zevgolatakos, E Zimin, NI Zucchelli, GC and Zumerle, G
Subjects: High Energy Physics::Phenomenology, High Energy Physics::Experiment, Nuclear Experiment
Abstract: A search for stable and long-lived heavy charged particles used the data taken by the DELPHI experiment at energies from 130 to 183 GeV. The Cherenkov light detected in the Ring Imaging Cherenkov Detector and the ionization loss measured in the Time Projection Chamber identify heavy particles from masses of 2 to nearly 89 GeV/c(2). Upper limits are given on the production cross-section and masses of sleptons, free squarks with a charge of q = +/- 2/3 e and hadronizing squarks. (C) 1998 Elsevier Science B.V. All rights reserved.
Published: 1998

71. π±, K±, p and p̄ production in Z0 → qq̄, Z0 bb̄, Z0 → uū, dd̄, ss̄

Author: Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Alekseev, GD, Alemany, R, Allport, PP, Almehed, S, Amaldi, U, Amato, S, Anassontzis, EG, Andersson, P, Andreazza, A, Antilogus, P, Apel, W-D, Arnoud, Y, Åsman, B, Augustin, J-E, Augustinus, A, Baillon, P, Bambade, P, Barao, F, Barbiellini, G, Barbier, R, Bardin, DY, Barker, G, Baroncelli, A, Battaglia, M, Baubillier, M, Becks, K-H, Begalli, M, Beilliere, P, Belokopytov, Y, Belous, K, Benvenuti, AC, Berat, C, Berggren, M, Bertini, D, Bertrand, D, Besancon, M, Bianchi, F, Bigi, M, Bilenky, MS, Bizouard, M-A, Bloch, D, Bonesini, M, Bonivento, W, Boonekamp, M, Booth, PSL, Borgland, AW, Borisov, G, Bosio, C, Botner, O, Boudinov, E, Bouquet, B, Bourdarios, C, Bowcock, TJV, Boyko, I, Bozovic, I, Bozzo, M, Branchini, P, Brenke, T, Brenner, RA, Bruckman, P, Brunet, J-M, Bugge, L, Buran, T, Burgsmueller, T, Buschmann, P, Cabrera, S, Caccia, M, Calvi, M, Camacho Rozas, AJ, Camporesi, T, Canale, V, Canepa, M, Carena, F, Carroll, L, Caso, C, Castillo Gimenez, MV, Cattai, A, Cavallo, FR, Cerruti, C, Chabaud, V, Charpentier, P, Chaussard, L, Checchia, P, Chelkov, GA, Chen, M, Chierici, R, Chliapnikov, P, Chochula, P, Chorowicz, V, Chudoba, J, Collins, P, Colomer, M, Contri, R, Cortina, E, Cosme, G, Cossutti, F, Cowell, J-H, Crawley, HB, Crennell, D, Crosetti, G, Cuevas Maestro, J, Czellar, S, Dalmagne, B, Damgaard, G, Davenport, M, DaSilva, W, Deghorain, A, della Ricca, G, Delpierre, P, Demaria, N, de Angelis, A, DeBoer, W, de Brabandere, S, DeClercq, C, DeLotto, B, de Min, A, de Paula, L, Dijkstra, H, di Ciaccio, L, di Diodato, A, Djannati, A, Dolbeau, J, Doroba, K, Dracos, M, Drees, J, Drees, K-A, Dris, M, Duperrin, A, Ehret, R, Eigen, G, Ekelof, T, Ekspong, G, Ellert, M, Elsing, M, Engel, J-P, Erzen, B, Espirito Santo, M, Falk, E, Fanourakis, G, Fassouliotis, D, Fayot, J, Feindt, M, Ferrari, P, Ferrer, A, Fichet, S, Firestone, A, Fischer, P-A, Flagmeyer, U, Foeth, H, Fokitis, E, Fontanelli, F, Franek, B, Frodesen, AG, Fruhwirth, R, Fulda-Quenzer, F, Fuster, J, Galloni, A, Gamba, D, Gandelman, M, Garcia, C, Garcia, J, Gaspar, C, Gaspar, M, Gasparini, U, Gavillet, P, Gazis, EN, Gele, D, Gerber, J-P, Gerdyukov, L, Ghodbane, N, Gil, I, Glege, F, Gokieli, R, Golob, B, Goncalves, P, Gonzalez Caballero, I, Gopal, G, Gorn, L, Gorski, M, Gouz, Y, Gracco, V, Grahl, J, Graziani, E, Green, C, Grefrath, A, Gris, P, Grzelak, K, Gunther, M, Guy, J, Hahn, F, Hahn, S, Haider, S, Hallgren, A, Hamacher, K, Harris, FJ, Hedberg, V, Heising, S, Henriques, R, Hernandez, JJ, Herquet, P, Herr, H, Hessing, TL, Heuser, J-M, Higon, E, Holmgren, S-O, Holt, PJ, Holthuizen, D, Hoorelbeke, S, Houlden, M, Huet, K, Hultqvist, K, Jackson, JN, Jacobsson, R, Jalocha, P, Janik, R, Jarlskog, C, Jarlskog, G, Jarry, P, Jean-Marie, B, Johansson, EK, Jonsson, P, Joram, C, Juillot, P, Kapusta, F, Karafasoulis, K, Katsanevas, S, Katsoufis, EC, Keranen, R, Khomenko, BA, Khovanski, NN, Kiiskinen, A, King, B, Kjaer, NJ, Klapp, O, Klein, H, Kluit, P, Knoblauch, D, Kokkinias, P, Koratzinos, M, Kourkoumelis, C, Kouznetsov, O, Krammer, M, Kreuter, C, Kriznic, E, Krumstein, Z, Kubinec, P, Kucewicz, W, Kurvinen, K, Lamsa, JW, Lanceri, L, Lane, DW, Langefeld, P, Lapin, V, Laugier, J-P, Lauhakangas, R, Leder, G, Ledroit, F, Lefebure, V, Leinonen, L, Leisos, A, Leitner, R, Lemonne, J, Lenzen, G, Lepeltier, V, Lesiak, T, Lethuillier, M, Libby, J, Liko, D, Lipniacka, A, Lippi, I, Loerstad, B, Loken, JG, Lopes, JH, Lopez, JM, Lopez-Fernandez, R, Loukas, D, Lutz, P, Lyons, L, MacNaughton, J, Mahon, JR, Maio, A, Malek, A, Malmgren, TGM, Malychev, V, Mandl, F, Marco, J, Marco, R, Marechal, B, Margoni, M, Marin, J-C, Mariotti, C, Markou, A, Martinez-Rivero, C, Martinez-Vidal, F, Marti i Garcia, S, Matorras, F, Matteuzzi, C, Matthiae, G, Mazzucato, F, Mazzucato, M, McCubbin, M, McKay, R, McNulty, R, McPherson, G, Meroni, C, Meyer, WT, Miagkov, A, Migliore, E, Mirabito, L, Mitaroff, WA, Mjoernmark, U, Moa, T, Moeller, R, Moenig, K, Monge, MR, Moreau, X, Morettini, P, Morton, G, Muenich, K, Mulders, M, Mulet-Marquis, C, Muresan, R, Murray, WJ, Muryn, B, Myatt, G, Myklebust, T, Naraghi, F, Navarria, FL, Navas, S, Nawrocki, K, Negri, P, Nemecek, S, Neufeld, N, Neumann, W, Neumeister, N, Nicolaidou, R, Nielsen, BS, Nieuwenhuizen, M, Nikolaenko, V, Nikolenko, M, Nomokonov, V, Normand, A, Nygren, A, Obraztsov, V, Olshevski, AG, Onofre, A, Orava, R, Orazi, G, Osterberg, K, Ouraou, A, Paganini, P, Paganoni, M, Paiano, S, Pain, R, Paiva, R, Palacios, J, Palka, H, Papadopoulou, TD, Papageorgiou, K, Pape, L, Parkes, C, Parodi, F, Parzefall, U, Passeri, A, Pegoraro, M, Peralta, L, Pernicka, M, Perrotta, A, Petridou, C, Petrolini, A, Phillips, HT, Piana, G, Pierre, F, Pimenta, M, Piotto, E, Podobnik, T, Pol, ME, Polok, G, Poropat, P, Pozdniakov, V, Privitera, P, Pukhaeva, N, Pullia, A, Radojicic, D, Ragazzi, S, Rahmani, H, Rakoczy, D, Rames, J, Ratoff, PN, Read, AL, Rebecchi, P, Redaelli, NG, Regler, M, Reid, D, Reinhardt, R, Renton, PB, Resvanis, LK, Richard, F, Ridky, J, Rinaudo, G, Rohne, O, Romero, A, Ronchese, P, Rosenberg, EI, Rosinsky, P, Roudeau, P, Rovelli, T, Ruhlmann-Kleider, V, Ruiz, A, Saarikko, H, Sacquin, Y, Sadovsky, A, Sajot, G, Salt, J, Sampsonidis, D, Sannino, M, Schneider, H, Schwemling, P, Schwickerath, U, Schyns, MAE, Scuri, F, Seager, P, Sedykh, Y, Segar, AM, Sekulin, R, Senko, V, Shellard, RC, Sheridan, A, Silvestre, R, Simard, L, Simonetto, F, Sisakian, AN, Skaali, TB, Smadja, G, Smirnova, O, Smith, GR, Solovianov, O, Sopczak, A, Sosnowski, R, Spassov, T, Spiriti, E, Sponholz, P, Squarcia, S, Stampfer, D, Stanescu, C, Stanic, S, Stapnes, S, Stevenson, K, Stocchi, A, Strauss, J, Strub, R, Stugu, B, Szczekowski, M, Szeptycka, M, Tabarelli, T, Tegenfeldt, F, Terranova, F, Thomas, J, Tilquin, A, Timmermans, J, Tkatchev, LG, Todorov, T, Todorova, S, Toet, DZ, Tomaradze, A, Tome, B, Tonazzo, A, Tortora, L, Transtromer, G, Treille, D, Tristram, G, Trombini, A, Troncon, C, Tsirou, A, Turluer, M-L, Tyapkin, IA, Tzamarias, S, Ueberschaer, B, Ullaland, O, Uvarov, V, Valenti, G, Vallazza, E, Vander Velde, C, van Apeldoorn, GW, VanDam, P, VanDoninck, WK, van Eldik, J, van Lysebetten, A, van Vulpen, I, Vassilopoulos, N, Vegni, G, Ventura, L, Venus, W, Verbeure, F, Verlato, M, Vertogradov, LS, Verzi, V, Vilanova, D, Vishnevsky, N, Vitale, L, Vlasov, E, Vodopyanov, AS, Voulgaris, G, Vrba, V, Wahlen, H, Walck, C, Weiser, C, Wetherell, AM, Wicke, D, Wickens, JH, Wilkinson, GR, Winter, M, Witek, M, Wlodek, T, Wolf, G, Yi, J, Yushchenko, O, Zaitsev, A, Zalewska, A, Zalewski, P, Zavrtanik, D, Zevgolatakos, E, Zimin, NI, Zucchelli, GC, and Zumerle, G
Abstract: The DELPHI experiment at LEP uses Ring Imaging Cherenkov detectors for particle identification. The good understanding of the RICH detectors allows the identification of charged pions, kaons and protons, covering the full momentum range from 0.7 < p < 45.6GeV/c. The π±, K±, p and p̄ normalised production rates, their differential cross sections, multiplicities and the maxima ξ*p of_the ξp = ln (1/Xp) distributions are measured for three event samples Z0 → qq̄, Z0 → bb̄, Z0 → uū, dd̄, ss̄, selected from ∼ 1 400 000 Z0 decays collected by DELPHI in 1994. The results are compared to the predictions of the JETSET string fragmentation model and the HERWIG cluster fragmentation model. The Modified Leading Logarithm Approximation with Local Parton-Hadron Duality is tested. The ξ*p dependence on the primary quark flavour is investigated and quantified for the different particle distributions. The π± , K±, p and p̄ multiplicities are measured with precisions from ±4% to ±6%. Forche Z0 → qq̄, and Z0 → bb̄, event samples, these improve on previous measurements. The π±, K±, p and p̄ multiplicities for Z0 → uū, dd̄, ss̄ are presented for the first time.
Published: 1998

72. A study of the hadronic resonance structure in the decay tau -> 3 pi nu(tau)

Author: Abreu, P Adam, W Adye, T Adzic, P Alekseev, GD and Alemany, R Allport, PP Almehed, S Amaldi, U Amato, S and Andersson, P Andreazza, A Antilogus, P Apel, WD Arnoud, Y Asman, B Augustin, JE Augustinus, A Baillon, P and Bambade, P Barao, F Barbiellini, G Barbier, R Bardin, DY and Barker, G Baroncelli, A Barring, O Bates, MJ and Battaglia, M Baubillier, M Becks, KH Begalli, M and Beilliere, P Belokopytov, Y Belous, K Benvenuti, AC and Berat, C Berggren, M Bertini, D Bertrand, D Besancon, M and Bianchi, F Bigi, M Bilenky, MS Bizouard, MA Bloch, D and Bonesini, M Bonivento, W Boonekamp, M Booth, PSL and Borgland, AW Borisov, G Bosio, C Botner, O Boudinov, E and Bouquet, B Bourdarios, C Bowcock, TJV Boyko, I and Bozovic, I Bozzo, M Branchini, P Brand, KD Brenke, T and Brenner, RA Brown, R Bruckman, P Brunet, JM Bugge, L and Buran, T Burgsmueller, T Buschmann, P Cabrera, S Caccia, M Calvi, M Rozas, AJC Camporesi, T Canale, V Canepa, M Carena, F Carroll, L Caso, C Gimenez, MVC Cattai, A Cavallo, FR Cerruti, C Chabaud, V Chapkin, M and Charpentier, P Chaussard, L Checchia, P Chelkov, GA and Chen, M Chierici, R Chliapnikov, P Chochula, P and Chorowicz, V Chudoba, J Cieslik, K Collins, P Colomer, M and Contri, R Cortina, E Cosme, G Cossutti, F Cowell, JH and Crawley, HB Crennell, D Crosetti, G Maestro, JC and Czellar, S Dalmagne, B Damgaard, G Dauncey, PD and Davenport, M Da Silva, W Deghorain, A Della Ricca, G and Delpierre, P Demaria, N De Angelis, A De Boer, W De Brabandere, S De Clercq, C De Lotto, B De Min, A De Paula, L Dijkstra, H Di Ciaccio, L Di Diodato, A and Djannati, A Dolbeau, J Doroba, K Dracos, M Drees, J and Drees, KA Dris, M Duperrin, A Durand, JD Edsall, D and Ehret, R Eigen, G Ekelof, T Ekspong, G Ellert, M and Elsing, M Engel, JP Erzen, B Falk, E Fanourakis, G and Fassouliotis, D Fayot, J Feindt, M Ferrari, P Ferrer, A and Fichet, S Firestone, A Fischer, PA Flagmeyer, U and Foeth, H Fokitis, E Fontanelli, F Franek, B Frodesen, AG and Fruhwirth, R Fulda-Quenzer, F Fuster, J Galloni, A and Gamba, D Gandelman, M Garcia, C Garcia, J Gaspar, C and Gaspar, M Gasparini, U Gavillet, P Gazis, EN Gele, D and Gerber, JP Gerdyukov, L Ghodbane, N Glege, F Gokieli, R and Golob, B Goncalves, P Caballero, IG Gopal, G Gorn, L and Gorski, M Gracco, V Grahl, J Graziani, E Green, C and Grefrath, A Gris, P Grosdidier, G Grzelak, K and Gunther, M Guy, J Hahn, F Hahn, S Haider, S and Hallgren, A Hamacher, K Harris, FJ Hedberg, V Heising, S and Henriques, R Hernandez, JJ Herquet, P Herr, H and Hessing, TL Heuser, JM Higon, E Holmgren, SO Holt, PJ and Holthuizen, D Hoorelbeke, S Houlden, M Hrubec, J and Huet, K Hultqvist, K Jackson, JN Jacobsson, R Jalocha, P and Janik, R Jarlskog, C Jarlskog, G Jarry, P and Jean-Marie, B Johansson, EK Jonsson, L Jonsson, P Joram, C Juillot, P Kapusta, F Karafasoulis, K Katsanevas, S and Katsoufis, EC Keranen, R Khokhlov, Y Khomenko, BA and Khovanski, NN King, B Kjaer, NJ Klapp, O Klein, H and Kluit, P Knoblauch, D Kokkinias, P Koratzinos, M and Kostioukhine, V Kourkoumelis, C Kouznetsov, O Krammer, M and Kreuter, C Kronkvist, I Krumstein, Z Kubinec, P and Kucewicz, W Kurvinen, K Lacasta, C Lamsa, JW Lanceri, L and Lane, DW Langefeld, P Laugier, JP Lauhakangas, R and Leder, G Ledroit, F Lefebure, V Legan, CK Leisos, A and Leitner, R Lemonne, J Lenzen, G Lepeltier, V Lesiak, T and Lethuillier, M Libby, J Liko, D Lipniacka, A Lippi, I Loerstad, B Loken, JG Lopes, JH Lopez, JM Loukas, D Lutz, P Lyons, L MacNaughton, J Maehlum, G Mahon, JR Maio, A Malek, A Malmgren, TGM Malychev, V Mandl, F Marco, J Marco, R Marechal, B Margoni, M Marin, JC and Mariotti, C Markou, A Martinez-Rivero, C Martinez-Vidal, F Garcia, SMI Masik, J Matorras, F Matteuzzi, C and Matthiae, G Mazzucato, F Mazzucato, M McCubbin, M McKay, R McNulty, R McPherson, G Medbo, J Meroni, C Meyer, WT Miagkov, A Michelotto, M Migliore, E Mirabito, L and Mitraroff, WA Mjoernmark, U Moa, T Moeller, R Moenig, K and Monge, MR Moreau, X Morettini, P Mueller, H Muenich, K Mulders, M Mundim, LM Murray, WJ Muryn, B Myatt, G and Myklebust, T Naraghi, F Navarria, FL Navas, S and Nawrocki, K Negri, P Nemecek, S Neufeld, N Neumann, W and Neumeister, N Nicolaidou, R Nielsen, BS Nieuwenhuizen, M and Nikolaenko, V Nikolenko, M Niss, P Nomerotski, A and Normand, A Nygren, A Oberschulte-Beckmann, W Obraztsov, V and Olshevski, AG Onofre, A Orava, R Orazi, G Osterberg, K Ouraou, A Paganini, P Paganoni, M Paiano, S Pain, R Paiva, R Palka, H Papadopoulou, TD Papageorgiou, K and Pape, L Parkes, C Parodi, F Parzefall, U Passeri, A and Pegoraro, M Peralta, L Pernegger, H Pernicka, M and Perrotta, A Petridou, C Petrolini, A Phillips, HT Piana, G Pierre, F Pimenta, M Piotto, E Podobnik, T and Podobrin, O Pol, ME Polok, G Poropat, P Pozdniakov, V and Privitera, P Pukhaeva, N Pullia, A Radojicic, D and Ragazzi, S Rahmani, H Rakoczy, D Ratoff, PN Read, AL and Rebecchi, P Redaelli, NG Regler, M Reid, D Reinhardt, R and Renton, PB Resvanis, LK Richard, F Ridky, J Rinaudo, G Rohne, O Romero, A Ronchese, P Rosenberg, EI and Rosinsky, P Roudeau, P Rovelli, T Ruhlmann-Kleider, V and Ruiz, A Saarikko, H Sacquin, Y Sadovsky, A Sajot, G and Salt, J Sampsonidis, D Sannino, M Schneider, H and Schwemling, P Schwickerath, U Schyns, MAE Scuri, F and Seager, P Sedykh, Y Segar, AM Sekulin, R Shellard, RC and Sheridan, A Silvestre, R Simonetto, F Sisakian, AN and Skaali, TB Smadja, G Smirnov, N Smirnova, O Smith, GR and Sokolov, A Solovianov, O Sopczak, A Sosnowski, R and Souza-Santos, D Spassov, T Spiriti, E Sponholz, P and Squarcia, S Stampfer, D Stanescu, C Stanic, S Stapnes, S and Stavitski, I Stevenson, K Stocchi, A Strauss, J and Strub, R Stugu, B Szczekowski, M Szeptycka, M Tabarelli, T Tegenfeldt, F Terranova, F Thomas, J Tilquin, A and Timmermans, J Tkatchev, LG Todorov, T Todorova, S Toet, DZ Tomaradze, A Tome, B Tonazzo, A Tortora, L and Transtromer, G Treille, D Tristram, G Trombini, A and Troncon, C Tsirou, A Turluer, ML Tyapkin, IA Tyndel, M and Tzamarias, S Ueberschaer, B Ullaland, O Uvarov, V and Valenti, G Vallazza, E Van Apeldoorn, GW Van Dam, P Van Doninck, WK Van Eldik, J Van Lysebetten, A Van Vulpen, I and Vassilopoulos, N Vegni, G Ventura, L Venus, W Verbeure, F Verlato, M Vertogradov, LS Verzi, V Vilanova, D and Vitale, L Vlasov, E Vodopyanov, AS Vrba, V Wahlen, H and Walck, C Weiser, C Wetherell, AM Wicke, D Wickens, JH and Wielers, M Wilkinson, GR Williams, WSC Winter, M and Witek, M Wlodek, T Wolf, G Yi, J Yushchenko, O and Zaitsev, A Zalewska, A Zalewski, P Zavrtanik, D and Zevgolatakos, E Zimin, NI Zucchelli, GC Zumerle, G and DELPHI Collaboration
Subjects: High Energy Physics::Experiment
Abstract: The hadronic structure of the decay of the tau lepton to three charged particles, tau –> 3 pi nu(tau), is studied using data collected by the DELPHI detector at LEP between 1992 and 1995. The invariant mass of the 3 pi system, m(3 pi), is fitted using the models of Kuhn and Santamaria, Isgur Morningstar and Reader, and Feindt. The 3 pi and pi(+)pi(-) mass spectra are compared with each model. Below m(3 pi)(2) = 2.3 GeV2, all are in good qualitative agreement. Above m(3 pi)(2) = 2.3 GeV2, anomalous behaviour is observed, consistent with the existence of a hitherto unseen decay mode of the tau through a radial excitation of the alpha(1) meson. (C) 1998 Published by Elsevier Science B.V. All rights reserved.
Published: 1998

73. m(b) at M-Z

Author: Abreu, P Adam, W Adye, T Adzic, P Ajinenko, I and Alekseev, GD Alemany, R Allport, PP Almehed, S Amaldi, U and Amato, S Andersson, P Andreazza, A Antilogus, P and Apel, WD Arnoud, Y Asman, B Augustin, JE Augustinus, A and Baillon, P Bambade, P Barao, F Barbi, M Barbiellini, G Bardin, DY Barker, G Baroncelli, A Barring, O and Bates, MJ Battaglia, M Baubillier, M Baudot, J Becks, KH and Begalli, M Beilliere, P Belokopytov, Y Belous, K and Benvenuti, AC Berat, C Berggren, M Bertini, D Bertrand, D Besancon, M Bianchi, F Bigi, M Bilenky, MS and Billoir, P Bizouard, MA Bloch, D Blume, M Bonesini, M and Bonivento, W Boonekamp, M Booth, PSL Borgland, AW and Borisov, G Bosio, C Botner, O Boudinov, E Bouquet, B and Bourdarios, C Bowcock, TJV Bozovic, I Bozzo, M and Branchini, P Brand, KD Brenke, T Brenner, RA Brown, RCA and Bruckman, P Brunet, JM Bugge, L Buran, T and Burgsmueller, T Buschmann, P Cabrera, S Caccia, M Calvi, M Rozas, AJC Camporesi, T Canale, V Canepa, M and Carena, F Carroll, L Caso, C Castillo Gimenez, MV and Cattai, A Cavallo, FR Chabaud, V Charpentier, P and Chaussard, L Checchia, P Chelkov, GA Chen, M Chierici, R and Chliapnikov, P Chochula, P Chorowicz, V Chudoba, J and Cindro, V Collins, P Colomer, M Contri, R Cortina, E and Cosme, G Cossutti, F Cowell, JH Crawley, HB Crennell, D and Crosetti, G Maestro, JC Czellar, S Dahm, J Dalmagne, B Damgaard, G Dauncey, PD Davenport, M Da Silva, W and Deghorain, A Della Ricca, G Delpierre, P Demaria, N De Angelis, A De Boer, W De Brabandere, S De Clercq, C De la Vaissiere, C De Lotto, B De Min, A De Paula, L and Dijkstra, H Di Ciaccio, L Di Diodato, A Djannati, A and Dolbeau, J Doroba, K Dracos, M Drees, J Drees, KA and Dris, M Durand, JD Edsall, D Ehret, R Eigen, G and Ekelof, T Ekspong, G Ellert, M Elsing, M Engel, JP and Erzen, B Santo, ME Falk, E Fanourakis, G Fassouliotis, D and Fayot, J Feindt, M Ferrari, P Ferrer, A Fichet, S and Firestone, A Fischer, PA Foeth, H Fokitis, E and Fontanelli, F Formenti, F Franek, B Frodesen, AG and Fruhwirth, R Fulda-Quenzer, F Fuster, J Galloni, A and Gamba, D Gandelman, M Garcia, C Garcia, J Gaspar, C and Gasparini, U Gavillet, P Gazis, EN Gele, D Gerber, JP and Gerdyukov, L Gokieli, R Golob, B Goncalves, P Gopal, G Gorn, L Gorski, M Gouz, Y Gracco, V Graziani, E and Green, C Grefrath, A Gris, P Grosdidier, G Grzelak, K Gunther, M Guy, J Hahn, F Hahn, S Haider, S and Hajduk, Z Hallgren, A Hamacher, K Harris, FJ Hedberg, V and Heising, S Henriques, R Hernandez, JJ Herquet, P and Herr, H Hessing, TL Heuser, JM Higon, E Holmgren, SO and Holt, PJ Holthuizen, D Hoorelbeke, S Houlden, M Hrubec, J Huet, K Hultqvist, K Jackson, JN Jacobsson, R and Jalocha, P Janik, R Jarlskog, C Jarlskog, G Jarry, P and Jean-Marie, B Johansson, EK Jonsson, L Jonsson, P Joram, C Juillot, P Kaiser, M Kapusta, F Karafasoulis, K and Katsanevas, S Katsoufis, EC Keranen, R Khokhlov, Y and Khomenko, BA Khovanski, NN King, B Kjaer, NJ Klapp, O and Klein, H Kluit, P Knoblauch, D Kokkinias, P and Koratzinos, M Korcyl, K Kostioukhine, V Kourkoumelis, C and Kouznetsov, O Krammer, M Kreuter, C Kronkvist, I Krstic, J Krumstein, Z Kubinec, P Kucewicz, W Kurvinen, K and Lacasta, C Laktineh, I Lamsa, JW Lanceri, L Lane, DW and Langefeld, P Laugier, JP Lauhakangas, R Leder, G and Ledroit, F Lefebure, V Legan, CK Leisos, A Leitner, R and Lemonne, J Lenzen, G Lepeltier, V Lesiak, T and Lethuillier, M Libby, J Liko, D Lipniacka, A Lippi, I and Loerstad, B Loken, JG Lopez, JM Loukas, D Lutz, P and Lyons, L MacNaughton, J Mahon, JR Maio, A Malmgren, TGM Malychev, V Mandl, F Marco, J Marco, R Marechal, B Margoni, M Marin, JC Mariotti, C Markou, A and Martinez-Rivero, C Martinez-Vidal, F Garcia, SMI Matorras, F and Matteuzzi, C Matthiae, G Mazzucato, M Mc Cubbin, M and Mc Kay, R Mc Nulty, R Mc Pherson, G Medbo, J Meroni, C and Meyer, WT Miagkov, A Michelotto, M Migliore, E and Mirabito, L Mitaroff, WA Mjoernmark, U Moa, T Moeller, R and Moenig, K Monge, MR Moreau, X Morettini, P Muenich, K Mulders, M Mundim, LM Murray, WJ Muryn, B Myatt, G and Myklebust, T Naraghi, F Navarria, FL Navas, S and Nawrocki, K Negri, P Nemecek, S Neufeld, N Neumann, W and Neumeister, N Nicolaidou, R Nielsen, BS Nieuwenhuizen, M and Nikolaenko, V Nikolenko, M Niss, P Nomerotski, A and Normand, A Nygren, A Oberschulte-Beckmann, W Obraztsov, V and Olshevski, AG Orava, R Orazi, G Ortuno, S Osterberg, K Ouraou, A Paganini, P Paganoni, M Paiano, S Pain, R Palka, H Papadopoulou, TD Papageorgiou, K Pape, L and Parkes, C Parodi, F Parzefall, U Passeri, A Pegoraro, M and Peralta, L Pernegger, H Pernicka, M Perrotta, A and Petridou, C Petrolini, A Phillips, HT Piana, G Pierra, F and Pimenta, M Piotto, E Podobnik, T Podobrin, O Pol, ME and Polok, G Poropat, P Pozdniakov, V Privitera, P and Pukhaeva, N Pullia, A Radojicic, D Ragazzi, S Rahmani, H and Rames, J Ratoff, PN Read, AL Reale, M Rebecchi, P and Redaelli, NG Regler, M Reid, D Reinhardt, R Renton, PB Resvanis, LK Richard, F Ridky, J Rinaudo, G and Rohne, O Romero, A Ronchese, P Rosenberg, EI Rosinsky, P and Roudeau, P Rovelli, T Ruhlmann-Kleider, V Ruiz, A and Saarikko, H Sacquin, Y Sadovsky, A Sajot, G Salt, J and Sampsonidis, D Sannino, M Schneider, H Schwickerath, U and Schyns, MAE Sciolla, G Scuri, F Seager, P Sedykh, Y and Segar, AM Segar, AM Seitz, A Sekulin, R Shellard, RC and Sheridan, A Siegrist, P Silvestre, R Simonetto, F and Sisakian, AN Skaali, TB Smadja, G Smirnov, N Smirnova, O and Smith, GR Sokolov, A Solovianov, O Sosnowski, R and Souza-Santos, D Spassov, T Spiriti, E Sponholz, P and Squarcia, S Stampfer, D Stanescu, C Stanic, S Stapnes, S and Stavitski, I Stevenson, K Stocchi, A Strauss, J and Strub, R Stugu, B Szczekowski, M Szeptycka, M Tabarelli, T Tegenfeldt, F Terranova, F Thomas, J Tilquin, A and Timmermans, J Tkatchev, LG Todorov, T Todorova, S Toet, DZ Tomaradze, A Tome, B Tonazzo, A Tortora, L and Transtromer, G Treille, D Tristram, G Trombini, A and Troncon, C Tsirou, A Turluer, ML Tyapkin, IA Tyndel, M and Tzamarias, S Ueberschaer, B Ullaland, O Uvarov, V and Valenti, G Vallazza, E Van Apeldoorn, GW Van Dam, P Van Eldik, J Van Lysebetten, A Van Vulpen, I Vassilopoulos, N and Vegni, G Ventura, L Venus, W Verbeure, F Verlato, M and Vertogradov, LS Verzi, V Vilanova, D Vincent, P and Vitale, L Vlasov, E Vodopyanov, AS Vrba, V Wahlen, H and Walck, C Weiser, C Wetherell, AM Wicke, D Wickens, JH and Wilkinson, GR Williams, WSC Winter, M Witek, M and Wlodek, T Wolf, G Yi, J Yushchenko, O Zach, F and Zaitsev, A Zalewska, A Zalewski, P Zavrtanik, D and Zevgolatakos, E Zimin, NI Zucchelli, GC Zumerle, G and DELPHI Collaboration
Subjects: High Energy Physics::Phenomenology, High Energy Physics::Experiment
Abstract: The value of the Lr quark, mass at the M-Z scale defined in the renormalization scheme, m(b)(M-Z), was determined using 2.8 million hadronic Z decays collected during 1992-1994 by the DELPHI detector to be m(b)(M-Z) = 2.67 +/- 0.25 (stat.) +/- 0.34 (frag.) +/- 0.27 (theo.) GeV/c(2). The analysis considers NLO corrections to the three-jet production rate including mass effects, and the result obtained agrees with the QCD prediction of having a running b quark mass at an energy scale equal to M-Z. This is the first time that such a measurement is performed far above the production threshold. The study also verifies the flavour independence of the strong coupling constant for b and light quarks within 1% accuracy. (C) 1998 Elsevier Science B.V.
Published: 1998

74. Measurement of the e(+)e(-)->gamma gamma(gamma) cross section at the LEP energies

Author: Abreu, P Adam, W Adye, T Adzic, P Alekseev, GD and Alemany, R Allport, PP Almehed, S Amaldi, U Amato, S and Andersson, P Andreazza, A Antilogus, P Apel, WD Arnoud, Y Asman, B Augustin, JE Augustinus, A Baillon, P and Bambade, P Barao, F Barbier, R Bardin, DY Barker, G and Baroncelli, A Barring, O Battaglia, M Baubillier, M and Becks, KH Begalli, M Beilliere, P Belokopytov, Y Belous, K Benvenuti, AC Berat, C Berggren, M Bertini, D and Bertrand, D Besancon, M Bianchi, F Bigi, M Bilenky, MS and Bizouard, MA Bloch, D Bonesini, M Bonivento, W and Boonekamp, M Booth, PSL Borgland, AW Borisov, G Bosio, C and Botner, O Boudinov, E Bouquet, B Bourdarios, C and Bowcock, TJV Boyko, I Bozovic, I Bozzo, M Branchini, P and Brenke, T Brenner, RA Bruckman, P Brunet, JM Bugge, L Buran, T Burgsmueller, T Buschmann, P Cabrera, S and Caccia, M Calvi, M Rozas, AJC Camporesi, T Canale, V and Canepa, M Carena, F Carroll, L Caso, C Gimenez, MVC and Cattai, A Cavallo, FR Cerruti, C Chabaud, V Chapkin, M and Charpentier, P Chaussard, L Checchia, P Chelkov, GA and Chen, M Chierici, R Chliapnikov, P Chochula, P and Chorowicz, V Chudoba, J Collins, P Colomer, M Contri, R and Cortina, E Cosme, G Cossutti, F Cowell, JH Crawley, HB Crennell, D Crosetti, G Maestro, JC Czellar, S and Dalmagne, B Damgaard, G Davenport, M Da Silva, W and Deghorain, A Della Ricca, G Delpierre, P Demaria, N De Angelis, A De Boer, W De Brabandere, S De Clercq, C De Lotto, B De Min, A De Paula, L Dijkstra, H Di Ciaccio, L and Di Diodati, A Djannati, A Dolbeau, J Doroba, K and Dracos, M Drees, J Drees, KA Dris, M Duperrin, A and Durand, JD Ehret, R Eigen, G Ekelof, T Ekspong, G and Ellert, M Elsing, M Engel, JP Erzen, B Santo, ME and Falk, E Fanourakis, G Fassouliotis, D Fayot, J Feindt, M and Fenyuk, A Ferrari, P Ferrer, A Fichet, S Firestone, A Fischer, PA Flagmeyer, U Foeth, H Fokitis, E and Fontanelli, F Franek, B Frodesen, AG Fruhwirth, R and Fulda-Quenzer, F Fuster, J Galloni, A Gamba, D and Gandelman, M Garcia, C Garcia, J Gaspar, C Gaspar, M and Gasparini, U Gavillet, P Gazis, EN Gele, D Gerber, JP and Ghodbane, N Gil, I Glege, F Gokieli, R Golob, B and Goncalves, P Caballero, IG Gopal, G Gorn, L Gorski, M and Gouz, Y Gracco, V Grahl, J Graziani, E Green, C and Grefrath, A Gris, P Grosdidier, G Grzelak, K Gunther, M and Guy, J Hahn, F Hahn, S Haider, S Hallgren, A and Hamacher, K Harris, FJ Hedberg, V Heising, S Henriques, R Hernandez, JJ Herquet, P Herr, H Hessing, TL and Heuser, JM Higon, E Holmgren, SO Holt, PJ Holthuizen, D and Hoorelbeke, S Houlden, M Hrubec, J Huet, K and Hultqvist, K Jackson, JN Jacobsson, R Jalocha, P Janik, R Jarlskog, C Jarlskog, G Jarry, P Jean-Marie, B and Johansson, EK Jonsson, L Jonsson, P Joram, C Juillot, P and Kapusta, F Karafasoulis, K Katsanevas, S Katsoufis, EC and Keranen, R Khomenko, BA Khovanski, NN King, B Kjaer, NJ Klapp, O Klein, H Kluit, P Knoblauch, D and Kokkinias, P Konopliannikov, A Koratzinos, N Kostioukhine, V and Kourkoumelis, C Kouznetsov, O Krammer, M Kreuter, C and Kronkvist, I Krstic, J Krumstein, Z Kubinec, P Kucewicz, W Kurvinen, K Lamsa, JW Lanceri, L Lane, DW and Langefeld, P Lapin, V Laugier, JP Lauhakangas, R Leder, G Ledroit, F Lefebure, V Leinonen, L Leisos, A and Leitner, R Lemonne, J Lenzen, G Lepeltier, V Lesiak, T and Lethuillier, M Libby, J Liko, D Lipniacka, A Lippi, I Loerstad, B Loken, JG Lopes, JH Lopez, JM and Lopez-Fernandez, R Loukas, D Lutz, P Lyons, L and MacNaughton, J Mahon, JR Maio, A Malek, A Malmgren, TGM and Malychev, V Mandl, F Marco, R Marechal, B Margoni, M and Marin, JC Mariotti, C Markou, A Martinez-Rivero, C and Martinez-Vidal, F Garcia, SMI Matorras, F Matteuzzi, C and Matthiae, G Mazzucato, F Mazzucato, M McCubbin, M McKay, R McNulty, R McPherson, G Meroni, C Migliore, E and Mirabito, L Mitaroff, WA Mjoernmark, U Moa, T Moeller, R and Moenig, K Monge, MR Moreau, X Morettini, P Morton, G and Muenich, K Mulders, M Mulet-Marquis, C Murray, WJ and Muryn, B Myatt, G Myklebust, T Naraghi, F Navarria, FL and Navas, S Nawrocki, K Negri, P Nemecek, S Neufeld, N and Neumann, W Neumeister, N Nicolaidou, R Nielsen, BS and Nieuwenhuizen, M Nikolaenko, V Nikolenko, M Normand, A and Nygren, A Obraztsov, V Olshevski, AG Onofre, A Orava, R and Orazi, G Osterberg, K Ouraou, A Paganini, P and Paganoni, M Paiano, S Pain, R Paiva, R Palacios, J and Palka, H Papadopoulou, TD Papageorgiou, K Pape, L and Parkes, C Parodi, F Parzefall, U Passeri, A Pegoraro, M and Peralta, L Perrotta, A Petridou, C Petrolini, A and Phillips, HT Piana, G Pierre, F Pimenta, M Piotto, E and Podobnik, T Pol, ME Polok, G Poropat, P Pozdniakov, V and Privitera, P Pukhaeva, N Pullia, A Radojicic, D and Ragazzi, S Rahmani, H Rakoczy, D Rames, J Ratoff, PN and Read, AL Rebecchi, P Redaelli, NG Regler, M Reid, D and Reinhardt, R Renton, PB Resvanis, LK Richard, F Ridky, J and Rinaudo, G Rohne, O Romero, A Ronchese, P Rosenberg, EI Rosinsky, P Roudeau, P Rovelli, T Ruhlmann-Kleider, V and Ruiz, A Saarikko, H Sacquin, Y Sadovsky, A Sajot, G and Salt, J Sampsonidis, D Sannino, M Schneider, H and Schwemling, P Schwickerath, U Schyns, MAE Scuri, F and Seager, P Sedykh, Y Segar, AM Sekulin, R Shellard, RC and Sheridan, A Silvestre, R Simard, L Simonetto, F and Sisakian, AN Skaali, TB Smadja, G Smirnova, O Smith, GR and Sopczak, A Sosnowski, R Spassov, T Spiriti, E and Sponholz, P Squarcia, S Stampfer, D Stanescu, C Stanic, S Stapnes, S Stevenson, K Stocchi, A Strauss, J and Strub, R Stugu, B Szczekowski, M Szeptycka, M Tabarelli, T Tegenfeldt, F Terranova, F Thomas, J Tilquin, A and Timmermans, J Tkatchev, LG Todorov, T Todorova, S Toet, DZ Tomaradze, A Tome, B Tonazzo, A Tortora, L and Transtromer, G Treille, D Tristram, G Trombini, A and Troncon, C Tsirou, A Turluer, ML Tyapkin, IA Tzamarias, S Ueberschaer, B Ullaland, O Uvarov, V Valenti, G and Vallazza, E Van Apeldoorn, GW Van Dam, P Van Eldik, J and Van Lysebetten, A Van Vulpen, I Vassilopoulos, N Vegni, G and Ventura, L Venus, W Verbeure, F Verlato, M and Vertogradov, LS Verzi, V Vilanova, D Vitale, L Vlasov, E and Vodopyanov, AS Vrba, N Wahlen, H Walck, C Weiser, C and Wetherell, AM Wicke, D Wickens, JH Wilkinson, GR and Winter, M Witek, M Wlodek, T Wolf, G Yi, J and Yushchenko, O Zaitsev, A Zalewska, A Zalewski, P and Zavrtanik, D Zevgolatakos, E Zimm, NI Zucchelli, GC and Zumerle, G DELPHI Colloboration
Subjects: Astrophysics::High Energy Astrophysical Phenomena, High Energy Physics::Experiment
Abstract: The total and the differential cross-sections for the reaction e(+)e(-) –> gamma gamma(gamma) have been measured with the DELPHI detector at LEP at centre-of-mass energies from 130 to 183 GeV for an integrated luminosity of 78.19 pb(-1). The results agree with the QED predictions. The lower limits (obtained including previously published results at the Z(0) energies) on the QED cutoff parameters are Lambda(+) > 253 GeV and Lambda(-) > 225 GeV and the lower bound on the mass of an excited electron with an effective coupling constant lambda(gamma) = 1 is 231 GeV/c(2). All the Limits are at the 95% confidence level. (C) 1998 Published by Elsevier Science B.V. All rights reserved.
Published: 1998

75. Measurement of trilinear gauge couplings in e(+)e(-) collisions at 161 GeV and 172 GeV

Author: Abreu, P Adam, W Adye, T Adzic, P Alekseev, GD and Alemany, R Allport, PP Almehed, S Amaldi, U Amato, S and Andersson, P Andreazza, A Antilogus, P Apel, WD Arnoud, Y Asman, B Augustin, JE Augustinus, A Baillon, P and Bambade, P Barao, F Barbier, R Bardin, DY Barker, G and Baroncelli, A Barring, O Bates, MJ Battaglia, M and Baubillier, M Becks, KH Begalli, M Beilliere, P and Belokopytov, Y Benvenuti, AC Berat, C Berggren, M and Bertini, D Bertrand, D Besancon, M Bianchi, F Bigi, M and Bilenky, MS Billoir, P Bizouard, MA Bloch, D and Bonesini, M Bonivento, W Boonekamp, M Booth, PSL and Borgland, AW Borisov, G Bosio, C Botner, O Boudinov, E and Bouquet, B Bourdarios, C Bowcock, TJV Bozovic, I and Bozzo, M Branchini, P Brand, KD Brenke, T Brenner, RA and Brown, R Bruckman, P Brunet, JM Bugge, L Buran, T and Burgsmueller, T Buschmann, P Cabrera, S Caccia, M and Calvi, M Rozas, AJC Camporesi, T Canale, V Canepa, M and Carena, F Carroll, L Caso, C Gimenez, MVC Cattai, A and Cavallo, FR Cerruti, C Chabaud, V Chapkin, M and Charpentier, P Chaussard, L Checchia, P Chelkov, GA and Chen, M Chierici, R Chliapnikov, P Chochula, P and Chorowicz, V Chudoba, J Collins, P Colomer, M Contri, R and Cortina, E Cosme, G Cossutti, F Cowell, JH Crawley, HB Crennell, D Crosetti, G Maestro, JC Czellar, S and Dalmagne, B Damgaard, G Dauncey, PD Davenport, M Da Silva, W Deghorain, A Della Ricca, G Delpierre, P and Demaria, N De Angelis, A De Boer, W De Brabandere, S De Clercq, C De la Vaissiere, C De Lotto, B De Min, A De Paula, L Dijkstra, H Di Ciaccio, L Di Diodato, A and Djannati, A Dolbeau, J Doroba, K Dracos, M Drees, J and Drees, KA Dris, M Duperrin, A Durand, JD Edsall, D and Ehret, R Eigen, G Ekelof, T Ekspong, G Ellert, M and Elsing, M Engel, JP Erzen, B Santo, ME Falk, E and Fanourakis, G Fassouliotis, D Fayot, J Feindt, M and Ferrari, P Ferrer, A Fichet, S Firestone, A Fischer, PA and Flagmeyer, U Foeth, H Fokitis, E Fontanelli, F and Formenti, F Franek, B Frodesen, AG Fruhwirth, R and Fulda-Quenzer, F Fuster, J Galloni, A Gamba, D and Gandelman, M Garcia, C Garcia, J Gaspar, C Gaspar, M and Gasparini, U Gavillet, P Gazis, EN Gele, D Gerber, JP and Gerdyukov, L Ghodbane, N Glege, F Gokieli, R Golob, B Goncalves, P Caballero, IG Gopal, G Gorn, L and Gorski, M Gouz, Y Gracco, V Grahl, J Graziani, E and Green, C Grefrath, A Gris, P Grosdidier, G Grzelak, K and Gunther, M Guy, J Hahn, F Hahn, S Haider, S and Hajduk, Z Hallgren, A Hamacher, K Harris, FJ Hedberg, V and Heising, S Henriques, R Hernandez, JJ Herquet, P and Herr, H Hessing, TL Heuser, JM Higon, E Holmgren, SO and Holt, PJ Holthuizen, D Hoorelbeke, S Houlden, M Hrubec, J Huet, K Hultqvist, K Jackson, JN Jacobsson, R and Jalocha, P Janik, R Jarlskog, C Jarlskog, G Jarry, P and Jean-Marie, B Johansson, EK Jonsson, L Jonsson, P Joram, C Juillot, P Kapusta, F Karafasoulis, K Katsanevas, S and Katsoufis, EC Keranen, R Khomenko, BA Khovanski, NN and King, B Kjaer, NJ Klapp, O Klein, H Kluit, P and Knoblauch, D Kokkinias, P Koratzinos, M Korcyl, K and Kostioukhine, V Kourkoumelis, C Kouznetsov, O Krammer, M and Kreuter, C Kronkvist, I Krumstein, Z Kubinec, P and Kucewicz, W Kurvinen, K Lacasta, C Lamsa, JW Lanceri, L and Lane, DW Langefeld, P Lapin, V Laugier, JP and Lauhakangas, R Leder, G Ledroit, F Lefebure, V Legan, CK and Leisos, A Leitner, R Lemonne, J Lenzen, G Lepeltier, V Lesiak, T Lethuillier, M Libby, J Liko, D and Lipniacka, A Lippi, I Loerstad, B Loken, JG Lopes, JH and Lopez, JM Loukas, D Lutz, P Lyons, L MacNaughton, J and Mahon, JR Maio, A Malek, A Malmgren, TGM Malychev, V and Mandl, F Marco, J Marco, R Marechal, B Margoni, M and Marin, JC Mariotti, C Markou, A Martinez-Rivero, C and Martinez-Vidal, F Garcia, SM Matorras, F Matteuzzi, C and Matthiae, G Mazzucato, F Mazzucato, M Mc Cubbin, M Mc Kay, R Mc Nulty, R Mc Pherson, G Medbo, J Meroni, C and Meyer, WT Michelotto, M Migliore, E Mirabito, L and Mitaroff, WA Mjoernmark, U Moa, T Moeller, R Moenig, K and Monge, MR Moreau, X Morettini, P Muenich, K Mulders, M Mundim, LM Murray, WJ Muryn, B Myatt, G Myklebust, T Naraghi, F Navarria, FL Navas, S Nawrocki, K and Negri, P Nemecek, S Neufeld, N Neumann, W Neumeister, N and Nicolaidou, R Nielsen, BS Nieuwenhuizen, M Nikolaenko, V and Nikolenko, M Niss, P Nomerotski, A Normand, A and Nygren, A Oberschulte-Beckmann, W Obraztsov, V Olshevski, AG and Onofre, A Orava, R Orazi, G Osterberg, K Ouraou, A and Paganini, P Paganoni, M Paiano, S Pain, R Paiva, R and Palka, H Papadopoulou, TD Papageorgiou, K Pape, L and Parkes, C Parodi, F Parzefall, U Passeri, A Pegoraro, M and Pernegger, H Pernicka, M Perrotta, A Petridou, C and Petrolini, A Phillips, HT Piana, G Pierre, F Pimenta, M and Piotto, E Podobnik, T Podobrin, O Pol, ME Polok, G and Poropat, P Pozdniakov, V Privitera, P Pukhaeva, N and Pullia, A Radojicic, D Ragazzi, S Rahmani, H Rames, J and Ratoff, PN Read, AL Rebecchi, P Redaelli, NG Regler, M Reid, D Reinhardt, R Renton, PB Resvanis, LK and Richard, F Ridky, J Rinaudo, G Rohne, O Romero, A and Ronchese, P Rosenberg, EI Rosinsky, P Roudeau, P and Rovelli, T Ruhlmann-Kleiner, V Ruiz, A Saarikko, H and Sacquin, Y Sadovsky, A Sajot, G Salt, J Sampsonidis, D and Sannino, M Schneider, H Schwickerath, U Schyns, MAE and Scuri, F Seager, P Sedykh, Y Segar, AM Sekulin, R and Senko, V Shellard, RC Sheridan, A Silvestre, R and Simonetto, F Sisakian, AN Skaali, TB Smadja, G Smirnov, N Smirnova, O Smith, GR Solovianov, O Sopczak, A and Sosnowski, R Souza-Santos, D Spassov, T Spiriti, E and Sponholz, P Squarcia, S Stampfer, D Stanescu, C Stanic, S Stapnes, S Stavitski, I Stevenson, K Stocchi, A and Strauss, J Strub, R Stugu, B Szczekowski, M Szeptycka, M and Tabarelli, T Tchikilev, O Tegenfeldt, F Terranova, F and Thomas, J Tilquin, A Timmermans, J Tkatchev, LG Todorov, T Todorova, S Toet, DZ Tomaradze, A Tome, B Tonazzo, A Tortora, L Transtromer, G Treille, D Tristram, G and Trombini, A Troncon, C Tsirou, A Turluer, ML Tyapkin, IA and Tyndel, M Tzamarias, S Ueberschaer, B Ullaland, O and Uvarov, V Valenti, G Vallazza, E Van Apeldoorn, GW Van Dam, P Van Doninck, WK Van Eldik, J Van Lysebetten, A and Van Vulpen, I Vassilopoulos, N Vegni, G Ventura, L and Venus, W Verbeure, F Verlato, M Vertogradov, LS Verzi, V and Vilanova, D Vincent, P Vishnevsky, N Vitale, L and Vlasov, E Vodopyanov, AS Vrba, V Wahlen, H Walck, C and Waldner, F Weiser, C Wetherell, AM Wicke, D Wickens, JH and Wilkinson, GR Williams, WSC Winter, M Witek, M and Wlodek, T Wolf, G Yi, J Yushchenko, O Zalewska, A and Zalewski, P Zavrtanik, D Zevgolatakos, E Zimin, NI and Zucchelli, GC Zumerle, G Delphi Collaboration
Subjects: Astrophysics::High Energy Astrophysical Phenomena, High Energy Physics::Phenomenology, High Energy Physics::Experiment, Nuclear Experiment
Abstract: Trilinear gauge boson couplings are measured using data taken by DELPHI at 161 GeV and 172 GeV, Values for WWV couplings (V = Z,gamma) are determined from a study of the reactions e(+)e(-) –> W+W- and e(+)e(-) –> We nu, using differential distributions from the WW final state in which one W decays hadronically and the other leptonically, and total cross,section data from other channels, Limits are also derived on neutral ZV gamma couplings from an analysis of the reaction e(+)e(-) –> gamma + invisible particles. (C) 1998 Elsevier Science B.V.
Published: 1998

76. Measurement of the charged particle multiplicity of weakly decaying B hadrons

Author: Abreu, P Adam, W Adye, T Adzic, P Ajinenko, I and Alekseev, GD Alemany, R Allport, PP Almehed, S Amaldi, U and Amato, S Andersson, P Andreazza, A Antilogus, P and Apel, WD Arnoud, Y Asman, B Augustin, JE Augustinus, A and Baillon, P Bambade, P Barao, F Barbier, R Bardin, DY and Barker, G Baroncelli, A Barring, O Battaglia, M and Baubillier, M Becks, KH Begalli, M Beilliere, P and Belokopytov, Y Benvenuti, AC Berat, C Berggren, M and Bertini, D Bertrand, D Besancon, M Bianchi, F Bigi, M and Bilenky, MS Bizouard, MA Bloch, D Bonesini, M and Bonivento, W Boonekamp, M Booth, PSL Borgland, AW and Borisov, G Bosio, C Botner, O Boudinov, E Bouquet, B and Bourdarios, C Bowcock, TJV Boyko, I Bozovic, I Bozzo, M and Branchini, P Brand, KD Brenke, T Brenner, RA Brown, R Bruckman, P Brunet, JM Bugge, L Buran, T and Burgsmueller, T Buschmann, P Cabrera, S Caccia, M Calvi, M Rozas, AJC Camporesi, T Canale, V Canepa, M and Carena, F Carroll, L Caso, C Gimenez, MVC Cattai, A and Cavallo, FR Cerruti, C Chabaud, V Chapkin, M and Charpentier, P Chaussard, L Checchia, P Chelkov, GA and Chen, M Chierici, R Chliapnikov, P Chochula, P and Chorowicz, V Chudoba, J Collins, P Colomer, M Contri, R and Cortina, E Cosme, G Cossutti, F Cowell, JH Crawley, HB Crennell, D Crosetti, G Maestro, JC Czellar, S and Dalmagne, B Damgaard, G Davenport, M Da Silva, W and Deghorain, A Della Ricca, G Delpierre, P Demaria, N De Angelis, A De Boer, W De Brabandere, S De Clercq, C De Lotto, B De Min, A De Paula, L Dijkstra, H Di Ciaccio, L and Di Diodato, A Djannati, A Dolbeau, J Doroba, K and Dracos, M Drees, J Drees, KA Dris, M Duperrin, A and Durand, JD Ehret, UR Eigen, G Ekelof, T Ekspong, G and Ellert, M Elsing, M Engel, JP Erzen, B Santo, ME and Falk, E Fanourakis, G Fassouliotis, D Fayot, J Feindt, M and Ferrari, P Ferrer, A Fichet, S Firestone, A Fischer, PA Flagmeyer, U Foeth, H Fokitis, E Fontanelli, F and Franek, B Frodesen, AG Fruhwirth, R Fulda-Quenzer, F and Fuster, J Galloni, A Gamba, D Gandelman, M Garcia, C and Garcia, J Gaspar, C Gaspar, M Gasparini, U Gavillet, P and Gazis, EN Gele, D Gerber, JP Gerdyukov, L Ghodbane, N Gil, I Glege, F Gokieli, R Golob, B Goncalves, P and Caballero, IG Gopal, G Gorn, L Gorski, M Gouz, Y and Gracco, V Grahl, J Graziani, E Green, C Grefrath, A and Gris, P Grosdidier, G Grzelak, K Gunther, M Guy, J and Hahn, F Hahn, S Haider, S Hallgren, A Hamacher, K and Harris, FJ Hedberg, V Heising, S Henriques, R Hernandez, JJ Herquet, P Herr, H Hessing, TL Heuser, JM Higon, E Holmgren, SO Holt, PJ Holthuizen, D Hoorelbeke, S and Houlden, M Hrubec, J Huet, K Hultqvist, K Jackson, JN and Jacobsson, R Jalocha, P Janik, R Jarlskog, C and Jarlskog, G Jarry, P Jean-Marie, B Johansson, EK and Jonsson, L Jonsson, P Joram, C Juillot, P Kapusta, F and Karafasoulis, K Katsanevas, S Katsoufis, EC Keranen, R and Khokhlov, Y Khomenko, BA Khovanski, NN King, B Kjaer, NJ and Klapp, O Klein, H Kluit, P Knoblauch, D Kokkinias, P and Koratzinos, M Kostioukhine, V Kourkoumelis, C and Kouznetsov, O Krammer, M Kreuter, C Kronkvist, I Krstic, J Krumstein, Z Kubinec, P Kucewicz, W Kurvinen, K and Lacasta, C Lamsa, JW Lanceri, L Lane, DW Langefeld, P and Lapin, V Laugier, JP Lauhakangas, R Leder, G and Ledroit, F Lefebure, V Leinonen, L Leisos, A Leitner, R and Lemonne, J Lenzen, G Lepeltier, V Lesiak, T and Lethuillier, M Libby, J Liko, D Lipniacka, A Lippi, I and Loerstad, B Loken, JG Lopes, JH Lopez, JM Loukas, D and Lutz, P Lyons, L MacNaughton, J Mahon, JR Maio, A and Malek, A Malmgren, TGM Malychev, V Marco, J Marco, R and Marechal, B Margoni, M Marin, JC Mariotti, C Markou, A Martlnez-Rivero, C Martinez-Vidal, F Garcia, SMI and Matorras, F Matteuzzi, C Matthiae, G Mazzucato, F and Mazzucuto, M McCubbin, M McKay, R McNulty, R McPherson, G Medbo, J Meroni, C Michelotto, M Migliore, E and Mirabito, L Mitaroff, WA Mjoernmark, U Moa, T Moeller, R and Moenig, K Monge, MR Moreau, X Morettini, P Morton, G and Muenich, K Mulders, M Mundim, LM Murray, WJ Muryn, B and Myatt, G Myklebust, T Naraghi, F Navarria, FL Navas, S Nawrocki, K Negri, P Nemecek, S Neufeld, N and Neumann, W Neumeister, N Nicolaidou, R Nielsen, BS and Nieuwenhuizen, M Nikolaenko, V Nikolenko, M Nomerotski, A and Normand, A Nygren, A Oberschulte-Beckmann, W Obraztsov, V Olshevski, AG Onofre, A Orava, R Orazi, G and Osterberg, K Ouraou, A Paganini, P Paganoni, M Paiano, S and Pain, R Paiva, R Palacios, J Palka, H Papadopoulou, TD Papageorgiou, K Pape, L Parkes, C Parodi, F and Parzefall, U Passeri, A Pegoraro, M Peralta, L Pernicka, P Perrotta, A Petridou, C Petrolini, A Phillips, HT and Piana, G Pierre, F Pimenta, M Piotto, E Podobnik, T and Podobrin, O Pol, ME Polok, G Poropat, P Pozdniakov, V and Privitera, P Pukhaeva, N Pullia, A Radojicic, D and Ragazzi, S Rahmani, H Rakoczy, D Rames, J Ratoff, PN and Read, AL Rebecchi, P Redaelli, NG Regler, M Reid, D and Reinhardt, R Renton, PB Resvanis, LK Richard, F Ridky, J and Rinaudo, G Rohne, O Romero, A Ronchese, P Rosenberg, EI Rosinsky, P Roudeau, P Rovelli, T Ruhlmann-Kleider, V and Ruiz, A Saarikko, H Sacquin, Y Sadovsky, A Sajot, G and Salt, J Sampsonidis, D Sannino, M Schneider, H and Schwemling, P Schwickerath, U Schyns, MAE Scuri, F and Seager, P Sedykh, Y Segar, AM Sekulin, R Shellard, RC and Sheridan, A Silvestre, R Simonetto, F Sisakian, AN and Skaali, TB Smadja, G Smirnov, N Smirnova, O Smith, GR and Sopczak, A Sosnowski, R Souza-Santos, D Spiriti, E and Sponholz, P Squarcia, S Stampfer, D Stanescu, C Stanic, S Stapnes, S Stavitski, I Stevenson, K Stocchi, A and Strauss, J Strub, R Stugu, B Szczekowski, M Szeptycka, M and Tabarelli, T Tegenfeldt, F Terranova, F Thomas, J and Tilquin, A Timmermans, J Tkatchev, LG Todorov, T and Todorova, S Toet, DZ Tomaradze, A Tome, B Tonazzo, A and Tortora, L Transtromer, G Treille, D Tristram, G and Trombini, A Troncon, C Tsirou, A Turluer, ML Tyapkin, IA and Tzamarias, S Ueberschaer, B Ullaland, O Uvarov, V and Valenti, G Vallazza, E Vander Velde, C Van Apeldoorn, GW and Van Dam, P Van Doninck, WK Van Eldik, J Van Lysebetten, A and Van Vulpen, I Vassilopoulos, N Vegni, G Ventura, L and Venus, W Verbeure, F Verlato, M Vertogradov, LS Verzi, V and Vilanova, D Vitale, L Vlasov, E Vodopyanov, AS Vrba, V Wahlen, H Walck, C Weiser, C Wetherell, AM Wicke, D Wickens, JH Wilkinson, GR Winter, M Witek, M and Wlodek, T Wolf, G Yi, J Yushchenko, O Zalewska, A and Zalewski, P Zavrtanik, D Zevgolatakos, E Zimin, NI and Zucchelli, GC Zumerle, G DELPHI Collaboration
Subjects: High Energy Physics::Experiment
Abstract: From the Z decays recorded in 1994 and 1995 by the DELPHI detector at LEP, the charged particle multiplicity of weakly decaying B hadrons was measured to be: 4.97 +/- 0.03 +/- 0.06 excluding the K-o and Lambda decay products. (C) 1998 Published by Elsevier Science B.V. All rights reserved.
Published: 1998

77. Measurement of the transverse spin correlation in Z->tau(+)tau(-) decays

Author: Abreu, P, Adam, W, Adye, T, Ajinenko, I, Alekseev, Gd, Alemany, R, Allport, Pp, Almehed, S, Amaldi, U, Amato, S, Andersson, P, Andreazza, A, Antilogus, P, Apel, Wd, Asman, B, Augustin, Je, Augustinus, A, Baillon, P, Bambade, P, Barao, F, Barbi, M, Bardin, Dy, Barker, G, Baroncelli, A, Barring, O, Bates, Mj, Battaglia, M, Baubillier, M, Baudot, J, Becks, Kh, Begalli, M, Beilliere, P, Belokopytov, Y, Belous, K, Benvenuti, Ac, Berggren, M, Bertini, D, Bertrand, D, Besancon, M, Bianchi, F, Bigi, M, Bilenky, Ms, Billoir, P, Bizouard, Ma, Bloch, D, Blume, M, Bonesini, M, Bonivento, W, Booth, Psl, Borgland, Aw, Borisov, G, Bosio, C, Botner, O, Boudinov, E, Bouquet, B, Bourdarios, C, Bowcock, Tjv, Bozovic, I, Bozzo, M, Branchini, P, Brand, Kd, Brenke, T, Brenner, Ra, Bricman, C, Brown, Rca, Bruckman, P, Brunet, Jm, Bugge, L, Buran, T, Burgsmueller, T, Buschmann, P, Cabrera, S, Caccia, M, Calvi, M, Rozas, Ajc, Camporesi, T, Canale, V, Canepa, M, Cao, F, Carena, F, Carroll, L, Caso, C, Gimenez, Mvc, Cattai, A, Cavallo, Fr, Chabaud, V, Charpentier, P, Chaussard, L, Checchia, P, Chelkov, Ga, Chen, M, Chierici, R, Chliapnikov, P, Chochula, P, Chorowicz, V, Cindro, V, Collins, P, Contri, R, Cortina, E, Cosme, G, Cossutti, F, Cowell, Jh, Crawley, Hb, Crennell, D, Crosetti, G, Maestro, Jc, Czellar, S, Dahm, J, Dalmagne, B, Dam, M, Damgaard, G, Dauncey, Pd, Davenport, M, Dasilva, W, Deghorain, A, Dellaricca, G, Delpierre, P, Demaria, N, Deangelis, A, Deboer, W, Debrabandere, S, Declercq, C, Delavaissiere, C, DE LOTTO, Barbara, Demin, A, Depaula, L, Dijkstra, H, Diciaccio, L, Didiodato, A, Djannati, A, Dolbeau, J, Doroba, K, Dracos, M, Drees, J, Drees, Ka, Dris, M, Durand, Jd, Edsall, D, Ehret, R, Eigen, G, Ekelof, T, Ekspong, G, Elsing, M, Engel, Jp, Erzen, B, Santo, Me, Falk, Me, Falk, E, Fanourakis, G, Fassouliotis, D, Feindt, M, Ferrari, P, Ferrer, A, Fichet, S, Filippas, Ta, Firestone, A, Fischer, Pa, Foeth, H, Fokitis, E, Fontanelli, F, Formenti, F, Franek, B, Frodesen, Ag, Fruhwirth, R, Fuldaquenzer, F, Fuster, J, Galloni, A, Gamba, D, Gandelman, M, Garcia, C, Garcia, J, Gaspar, C, Gasparini, U, Gavillet, P, Gazis, En, Gele, D, Gerber, Jp, Gokieli, R, Golob, B, Goncalves, P, Gopal, G, Gorn, L, Gorski, M, Gouz, Y, Gracco, V, Graziani, E, Green, C, Grefrath, A, Gris, P, Grosdidier, G, Grzelak, K, Gumenyuk, S, Gunther, M, Guy, J, Hahn, F, Hahn, S, Hajduk, Z, Hallgren, A, Hamacher, K, Harris, Fj, Hedberg, V, Henriques, R, Hernandez, Jj, Herquet, P, Herr, H, Hessing, Tl, Heuser, Jm, Higon, E, Hilke, Hj, Holmgren, So, Holt, Pj, Holthuizen, D, Hoorelbeke, S, Houlden, M, Hrubec, J, Huet, K, Hultqvist, K, Jackson, Jn, Jacobsson, R, Jalocha, P, Janik, R, Jarlskog, C, Jarlskog, G, Jarry, P, Jeanmarie, B, Johansson, Ek, Jonsson, L, Jonsson, P, Joram, C, Juillot, P, Kaiser, M, Kapusta, F, Karafasoulis, K, Karlsson, M, Katsanevas, S, Katsoufis, Ec, Keranen, R, Khokhlov, Y, Khomenko, Ba, Khovanski, Nn, King, B, Kjaer, Nj, Klapp, O, Klein, H, Kluit, P, Knoblauch, D, Koene, B, Kokkinias, P, Konopliannikov, A, Koratzinos, M, Korcyl, K, Kostioukhine, V, Kourkoumelis, C, Kouznetsov, O, Krammer, M, Kreuter, C, Kronkvist, I, Krumstein, Z, Krupinski, W, Kubinec, P, Kucewicz, W, Kurvinen, K, Lacasta, C, Laktineh, I, Lamsa, Jw, Lanceri, L, Lane, Dw, Langefeld, P, Laugier, Jp, Lauhakangas, R, Leder, G, Ledroit, F, Lefebure, V, Legan, Ck, Leisos, A, Leitner, R, Lemonne, J, Lenzen, G, Lepeltier, V, Lesiak, T, Libby, J, Liko, D, Lindner, R, Lipniacka, A, Lippi, I, Loerstad, B, Loken, Jg, Lopez, Jm, Loukas, D, Lutz, P, Lyons, L, Macnaughton, J, Maehlum, G, Mahon, Jr, Maio, A, Malmgren, Tgm, Malychev, V, Mandl, F, Marco, J, Marco, R, Marechal, B, Margoni, M, Marin, Jc, Mariotti, C, Markou, A, Martinezrivero, C, Martinezvidal, F, Garcia, Smi, Matorras, F, Matteuzzi, C, Matthiae, G, Mazzucato, M, Mccubbin, M, Mckay, R, Mcnulty, R, Medbo, J, Merk, M, Meroni, C, Meyer, S, Meyer, Wt, Miagkov, A, Michelotto, M, Migliore, E, Mirabito, L, Mitaroff, Wa, Mjoernmark, U, Moa, T, Moeller, R, Moenig, K, Monge, Mr, Morettini, P, Mueller, H, Muenich, K, Mulders, M, Mundim, Lm, Murray, Wj, Muryn, B, Myatt, G, Naraghi, F, Navarria, Fl, Navas, S, Nawrocki, K, Negri, P, Nemecek, S, Neumann, W, Neumeister, N, Nicolaidou, R, Nielsen, Bs, Nieuwenhuizen, M, Nikolaenko, V, Nikolenko, M, Niss, P, Nomerotski, A, Normand, A, Novak, M, Oberschultebeckmann, W, Obraztsov, V, Olshevski, Ag, Onofre, A, Orava, R, Orazi, G, Osterberg, K, Ouraou, A, Paganini, P, Paganoni, M, Pages, P, Pain, R, Palka, H, Papadopoulou, Td, Papageorgiou, K, Pape, L, Parkes, C, Parodi, F, Passeri, A, Pegoraro, M, Peralta, L, Pernegger, H, Pernicka, M, Perrotta, A, Petridou, C, Petrolini, A, Phillips, Ht, Piana, G, Pierre, F, Pimenta, M, Podobnik, T, Podobrin, O, Pol, Me, Polok, G, Poropat, P, Pozdniakov, V, Privitera, P, Pukhaeva, N, Pullia, A, Radojicic, D, Ragazzi, S, Rahmani, H, Rames, J, Ratoff, Pn, Read, Al, Reale, M, Rebecchi, P, Redaelli, Ng, Reid, D, Reinhardt, R, Renton, Pb, Resvanis, Lk, Richard, F, Richardson, J, Ridky, J, Rinaudo, G, Romero, A, Roncagliolo, I, Ronchese, P, Roos, L, Rosenberg, Ei, Roudeau, P, Rovelli, T, Ruckstuhl, W, Ruhlmannkleider, V, Ruiz, A, Rybicki, K, Saarikko, H, Sacquin, Y, Sadovsky, A, Sahr, O, Sajot, G, Salt, J, Sannino, M, Schneider, H, Schwickerath, U, Schyns, Mae, Sciolla, G, Scuri, Fabrizio, Seager, P, Sedykh, Y, Segar, Am, Seitz, A, Sekulin, R, Serbelloni, L, Shellard, Rc, Siegrist, P, Silvestre, R, Simonetto, F, Sisakian, An, Sitar, B, Skaali, Tb, Smadja, G, Smirnov, N, Smirnova, O, Smith, Gr, Sokolov, A, Solovianov, O, Sosnowski, R, Souzasantos, D, Spassov, T, Spiriti, E, Sponholz, P, Squarcia, S, Stampfer, D, Stanescu, C, Stanic, S, Stapnes, S, Stavitski, I, Stevenson, K, Stocchi, A, Strauss, J, Strub, R, Stugu, B, Szczekowski, M, Szeptycka, M, Tabarelli, T, Tavernet, Jp, Tchikilev, O, Tegenfeldt, E, Terranova, F, Thomas, J, Tilquin, A, Timmermans, J, Tkatchev, Lg, Todorov, T, Todorova, S, Toet, Dz, Tomaradze, A, Tome, B, Tonazzo, A, Tortora, L, Transtromer, G, Treille, D, Tristram, G, Trombini, A, Troncon, C, Tsirou, A, Turluer, Ml, Tyapkin, Ia, Tyndel, M, Tzamarias, S, Ueberschaer, B, Ullaland, O, Uvarov, V, Valenti, G, Vallazza, E, Vandervelde, C, Vanapeldoorn, Gw, Vandam, P, Vandoninck, Wk, Vaneldik, J, Vanlysebetten, A, Vassilopoulos, N, Vegni, G, Ventura, L, Venus, W, Verbeure, F, Verlato, M, Vertogradov, Ls, Vilanova, D, Vincent, P, Vitale, L, Vodopyanov, As, Vrba, V, Wahlen, H, Walck, C, Waldner, F, Weilhammer, P, Weiser, C, Wetherell, Am, Wicke, D, Wickens, Jh, Wielers, M, Wilkinson, Gr, Williams, Wsc, Winter, M, Witek, M, Wlodek, T, Yi, J, Yip, K, Yushchenko, O, Zach, F, Zaitsev, A, Zalewska, A, Zalewski, P, Zavrtanik, D, Zevgolatakos, E, Zimin, Ni, Zontar, D, Zucchelli, Gc, and Zumerle, G.
Published: 1997

78. Search for stable heavy charged particles in e(+)e(-) collisions at root s=130-136, 161 and 172 GeV

Author: Abreu, P Adam, W Adye, T Ajinenko, I Alekseev, GD and Alemany, R Allport, PP Almehed, S Amaldi, U Amato, S and Andreazza, A Andrieux, ML Antilogus, P Apel, WD Asman, B and Augustin, JE Augustinus, A Baillon, P Bambade, P and Barao, F Barbi, M Barbiellini, G Bardin, DY Barker, G and Baroncelli, A Barring, O Barrio, JA Bartl, W Bates, MJ Battaglia, M Baubillier, M Baudot, J Becks, KH and Begalli, M Beilliere, P Belokopytov, Y Belous, K and Benvenuti, AC Berggren, M Bertini, D Bertrand, D and Besancon, M Bianchi, F Bigi, M Bilenky, MS Billoir, P and Bizouard, MA Bloch, D Blume, M Bolognese, T and Bonesini, M Bonivento, W Booth, PSL Borisov, G Bosio, C and Botner, O Boudinov, E Bouquet, B Bourdarios, C and Bowcock, TJV Bozzo, M Branchini, P Brand, KD Brenke, T and Brenner, RA Bricman, C Brown, RCA Bruckman, P and Brunet, JM Bugge, L Buran, T Burgsmueller, T Buschmann, P Cabrera, S Caccia, M Calvi, M Rozas, AJC and Camporesi, T Canale, V Canepa, M Cankocak, K Cao, F and Carena, F Carroll, L Caso, C Gimenez, MVC Cattai, A and Cavallo, FR Chabaud, V Charpentier, P Chaussard, L and Checchia, P Chelkov, GA Chen, M Chierici, R Chliapnikov, P Chochula, P Chorowicz, V Cindro, V Collins, P and Contri, R Cortina, E Cosme, G Cossutti, F Cowell, JH and Crawley, HB Crennell, D Crosetti, G Maestro, JC Czellar, S DahlJensen, E Dahm, J Dalmagne, B Dam, M Damgaard, G Dauncey, PD Davenport, M DaSilva, W Defoix, C and Deghorain, A DellaRicca, G Delpierre, P Demaria, N and DeAngelis, A DeBoer, W DeBrabandere, S DeClerq, C and DeLaVaissiere, C DeLotto, B DeMin, A DePaula, L and DeSaintJean, C Dijkstra, H DiCiaccio, L DiDiodato, A and Djama, F Djannati, A Dolbeau, J Doroba, K Dracos, M and Drees, J Drees, KA Dris, M Durand, JD Edsall, D and Ehret, R Eigen, G Ekelof, T Ekspong, G Elsing, M and Engel, JP Erzen, B Santo, ME Falk, E Fassouliotis, D and Feindt, M Fenyuk, A Ferrer, A Fichet, S Filippas, TA and Firestone, A Fischer, PA Foeth, H Fokitis, E Fontanelli, F Formenti, F Franek, B Frenkiel, P Fries, DC and Frodesen, AG Fruhwirth, R FuldaQuenzer, F Fuster, J and Galloni, A Gamba, D Gandelman, M Garcia, C Garcia, J and Gaspar, C Gasparini, U Gavillet, P Gazis, EN Gele, D and Gerber, JP Gerdyukov, L Gokieli, R Golob, B Gopal, G and Gorn, L Gorski, M Gouz, Y Gracco, V Graziani, E and Green, C Grefrath, A Gris, P Grosdidier, G Grzelak, K and Gumenyuk, S Gunnarsson, P Gunther, M Guy, J Hahn, F and Hahn, S Hajduk, Z Hallgren, A Hamacher, K Harris, FJ and Hedberg, V Henriques, R Hernandez, JJ Herquet, P and Herr, H Hessing, TL Heuser, JM Higon, E Hilke, HJ and Hill, TS Holmgren, SO Holt, PJ Holthuizen, D Hoorelbeke, S Houlden, M Hrubec, J Huet, K Hultqvist, K Jackson, JN Jacobsson, R Jalocha, P Janik, R Jarlskog, C and Jarlskog, G Jarry, P JeanMarie, B Johansson, EK Jonsson, L Jonsson, P Joram, C Juillot, P Kaiser, M Kapusta, F Karafasoulis, K Karlsson, M Karvelas, E Katsanevas, S and Katsoufis, EC Keranen, R Khokhlov, Y Khomenko, BA and Khovanski, NN King, B Kjaer, NJ Klapp, O Klein, H and Klovning, A Kluit, P Kokkinias, P Konopliannikov, A and Koratzinos, M Korcyl, K Kostioukhine, V Kourkoumelis, C and Kouznetsov, O Krammer, M Kreuter, C Kronkvist, I and Krumstein, Z Krupinski, W Kubinec, P Kucewicz, W and Kurvinen, K Lacasta, C Laktineh, I Lamsa, JW Lanceri, L and Lane, DW Langefeld, P Laugier, JP Lauhakangas, R and Leder, G Ledroit, F Lefebure, V Legan, CK Leitner, R and Lemonne, J Lenzen, G Lepeltier, V Lesiak, T Libby, J and Liko, D Lindner, R Lipniacka, A Lippi, I Loerstad, B and Loken, JG Lopez, JM Loukas, D Lutz, P Lyons, L and MacNaughton, J Maehlum, G Mahon, JR Malmgren, TGM and Malychev, V Mandl, F Marco, J Marco, R Marechal, B and Margoni, M Marin, JC Mariotti, C Markou, A and MartinezRivero, C Martinezvidal, F Garcia, SMI Matorras, F and Matteuzzi, C Matthiae, G Mazzucato, M McCubbin, M and McKay, R McNulty, R Medbo, J Merk, M Meroni, C and Meyer, S Meyer, WT Michelotto, M Migliore, E Mirabito, L and Mitaroff, WA Mjoernmark, U Moa, T Moeller, R Moenig, K Monge, MR Morettini, P Mueller, H Muenich, K and Mulders, M Mundim, LM Murray, WJ Muryn, B Myatt, G and Naraghi, F Navarria, FL Navas, S Nawrocki, K Negri, P and Nemecek, S Neumann, W Neumeister, N Nicolaidou, R and Nielsen, BS Nieuwenhuizen, M Nikolaenko, V Niss, P and Nomerotski, A Normand, A Novak, M OberschulteBeckmann, W and Obraztsov, V Olshevski, AG Onofre, A Orava, R Osterberg, K Ouraou, A Paganini, P Paganoni, M Pages, P Pain, R and Palka, H Papadopoulou, TD Papageorgiou, K Pape, L and Parkes, C Parodi, F Passeri, A Pegoraro, M Peralta, L and Pernicka, M Perrotta, A Petridou, C Petrolini, A and Phillips, HT Piana, G Pierre, F Pimenta, M Podobnik, T and Podobrin, O Pol, ME Polok, G Poropat, P Pozdniakov, V Privitera, P Pukhaeva, N Pullia, A Radojicic, D and Ragazzi, S Rahmani, H Rames, J Ratoff, PN Read, AL and Reale, M Rebecchi, P Redaelli, NG Regler, M Reid, D and Reinhardt, R Renton, PB Resvanis, LK Richard, F and Richardson, J Ridky, J Rinaudo, G Ripp, I Romero, A and Roncagliolo, I Ronchese, P Roos, L Rosenberg, EI and Roudeau, O Rovelli, T RuhlmannKleider, V Ruiz, A and Rybicki, K Saarikko, H Sacquin, Y Sadovsky, A Sahr, O and Sajot, G Salt, J Sanchez, J Sannino, M and Schimmelpfennig, M Schneider, H Schwickerath, U Schyns, MAE and Sciolla, G Scuri, F Seager, P Sedykh, Y Segar, AM and Seitz, A Sekulin, R Serbelloni, L Shellard, RC and Siegrist, P Silvestre, R Simonetti, S Simonetto, F and Sisakian, AN Sitar, B Skaali, RB Smadja, G Smirnov, N and Smirnova, O Smith, GR Solovianov, O Sosnowski, R and SouzaSantos, D Spassov, T Spiriti, E Sponholz, P and Squarcia, S Stampfer, D Stanescu, C Stanic, S Stapnes, S and Stavitski, I Stevenson, K Stocchi, A Strauss, J and Strub, R Stugu, B Szczekowski, M Szeptycka, M Tabarelli, T Tavernet, JP Tcherniaev, E Thomas, J Tilquin, A and Timmermans, J Tkatchev, LG Todorov, T Todorova, S Toet, DZ Tomaradze, A Tome, B Tonazzo, A Tortora, L and Transtromer, G Treille, D Tristram, G Trombini, A and Troncon, C Tsirou, A Turluer, ML Tyapkin, IA Tyndel, M and Tzamarias, S Ueberschaer, B Ullaland, O Uvarov, V and Valenti, G Vallazza, E VanderVelde, C VanApeldoorn, GW and VanDam, P VanDoninck, WK VanEldik, J VanLysebetten, A and Vassilopoulos, N Vegni, G Ventura, L Venus, W Verbeure, F Verlato, M Vertogradov, LS Vilanova, D Vincent, P and Vitale, L Vodopyanov, AS Vrba, V Wahlen, H Walck, C and Weierstall, M Weilhammer, P Weiser, C Wetherell, AM and Wicke, D Wickens, JH Wielers, M Wilkinson, GR Williams, WSC Winter, M Witek, M Wlodek, T Woschnagg, K Yip, K and Yushchenko, O Zach, F Zaitsev, A Zalewska, A and Zalewski, P Zavrtanik, D Zevgolatakos, E Zimin, NI Zito, M Zontar, D Zucchelli, GC Zumerle, G
Abstract: A search for stable or long-lived heavy charged particles in e(+)e(-) interactions at energies of 130-136, 161 and 172 CeV has been performed using the data taken by the DELPHI experiment at LEP. The search is based on particle identification provided by the Time Projection Chamber and the Ring Imaging Cherenkov detector. Upper limits at 95% confidence level are derived on the cross-section for heavy long-lived pair-produced charge +/-e and +/-2/3e particles in the range of 0.4-2.3 pb for masses from 45 to 84 GeV/c(2). Within supersymmetric extensions of the Standard Model, long-lived charginos with masses from 45 to 84 (80) GeV/c(2) for high (low) sneutrino masses can be excluded at 95% confidence level. Left-handed (right-handed) long-lived or stable smuons and staus with masses between 45 and 68 (65) GeV/c(2) can be excluded at 95% confidence level. (C) 1997 Elsevier Science B.V.
Published: 1997

79. Search for the B-c meson

Author: Abreu, P Adam, W Adye, T Ajinenko, I Alekseev, GD and Alemany, R Allport, PP Almehed, S Amaldi, U Amato, S and Andreazza, A Andrieux, ML Antilogus, P Apel, WD Asman, B and Augustin, JE Agustinus, A Baillon, P Bambade, P and Barao, F Barbi, M Barbiellini, G Bardin, DY Barker, G and Baroncelli, A Barring, O Barrio, JA Bartl, W Bates, MJ Battaglia, M Baubillier, M Baudot, J Becks, KH and Begalli, M Beilliere, P Belokopytov, Y Belous, K and Benvenuti, AC Berggren, M Bertini, D Bertrand, D and Besancon, M Bianchi, F Bigi, M Bilenky, MS Billoir, P and Bizouard, MA Bloch, D Blume, M Bolognese, T and Bonesini, M Bonivento, W Booth, PSL Borisov, G Bosio, C and Botner, O Boudinov, E Bouquet, B Bourdarios, C and Bowcock, TJV Bozzo, M Branchini, P Brand, KD Brenke, T and Brenner, RA Bricman, C Brown, RCA Bruckman, P and Brunet, JM Bugge, L Buran, T Burgsmueller, T Buschmann, P Cabrera, S Caccia, M Calvi, M Rozas, AJC and Camporesi, T Canale, V Canepa, M Cankocak, K Cao, F and Carena, F Carroll, L Caso, C Gimenez, MVC Cattai, A and Cavallo, FR Chabaud, V Charpentier, P Chaussard, L and Checchia, P Chelkov, GA Chen, M Chierici, R Chliapnikov, P Chochula, P Chorowicz, V Cindro, V Collins, P and Contri, R Cortina, E Cosme, G Cossutti, F Cowell, JH and Crawley, HB Crennell, D Crosetti, G Maestro, JC Czellar, S DahlJensen, E Dahm, J Dalmagne, B Dam, M Damgaard, G Dauncey, PD Davenport, M DaSilva, W Defoix, C and Deghorain, A DellaRicca, G Delpierre, P Demaria, N and DeAngelis, A DeBoer, W DeBrabandere, S DeClercq, C and DelaVaissiere, C DeLotto, B DeMin, A DePaula, L and DeSaintJean, C Dijkstra, H DiCiaccio, L DiDiodato, A and Djama, F Djannati, A Dolbeau, J Doroba, K Dracos, M and Drees, J Drees, KA Dris, M Durand, JD Edsall, D and Ehret, R Eigen, G Ekelof, T Ekspong, G Elsing, M and Engel, JP Erzen, B Santo, ME Falk, E Fassouliotis, D and Feindt, M Fenyuk, A Ferrer, A Fichet, S Filippas, TA and Firestone, A Fischer, PA Foeth, H Fokitis, E Fontanelli, F Formenti, F Franek, B Frenkiel, P Fries, DC and Frodesen, AG Fruhwirth, R FuldaQuenzer, F Fuster, J and Galloni, A Gamba, D Gandelman, M Garcia, C Garcia, J and Gaspar, C Gasparini, U Gavillet, P Gazis, EN Gele, D and Gerber, JP Gerdyukov, L Gokieli, R Golob, B Gopal, G and Gorn, L Gorski, M Gouz, Y Gracco, V Graziani, E and Green, C Grefrath, A Gris, P Grosdidier, G Grzelak, K and Gumenyuk, S Gunnarsson, P Gunther, M Guy, J Hahn, F and Hahn, S Hajduk, Z Hallgren, A Hamacher, K Harris, FJ and Hedberg, V Henriques, R Hernandez, JJ Herquet, P and Herr, H Hessing, TL Heuser, JM Higon, E Hilke, HJ and Hill, TS Holmgren, SO Holt, PJ Holthuizen, D Hoorelbeke, S Houlden, M Hrubec, J Huet, K Hultqvist, K Jackson, JN Jacobsson, R Jalocha, P Janik, R Jarlskog, C and Jarlskog, G Jarry, P JeanMarie, B Johansson, EK Jonsson, L Jonsson, P Joram, C Juillot, P Kaiser, M Kapusta, F Karafasoulis, K Karlsson, M Karvelas, E Katsanevas, S and Katsoufis, EC Keranen, R Khokhlov, Y Khomenko, BA and Khovanski, NN King, B Kjaer, NJ Klapp, O Klein, H and Klovning, A Kluit, P Koene, B Kokkinias, P Koratzinos, M and Korcyl, K Kostioukhine, V Kourkoumelis, C Kouznetsov, O and Krammer, M Kreuter, C Kronkvist, I Krumstein, Z and Krupinski, W Kubinec, P Kucewicz, W Kurvinen, K Lacasta, C Laktineh, I Lamsa, JW Lanceri, L Lane, DW and Langefeld, P Laugier, JP Lauhakangas, R Leder, G and Ledroit, F Lefebure, V Legan, CK Leitner, R Lemonne, J and Lenzen, G Lepeltier, V Lesiak, T Libby, J Liko, D and Lindner, R Lipniacka, A Lippi, I Loerstad, B Loken, JG Lopez, JM Loukas, D Lutz, P Lyons, L MacNaughton, J Maehlum, G Mahon, JR Maio, A Malmgren, TGM and Malychev, V Mandl, E Marco, J Marco, R Marechal, B and Margoni, M Marin, JC Mariotti, C Markou, A and MartinezRivero, C MartinezVidal, F Garcia, SM Matorras, F and Matteuzzi, C Matthiae, G Mazzucato, M McCubbin, M and McKay, R McNulty, R Medbo, J Merk, M Meroni, C and Meyer, S Meyer, WT Miagkov, A Michelotto, M Migliore, E and Mirabito, L Mitaroff, WA Mjoernmark, U Moa, T and Moeller, R Moenig, K Monge, MR Morettini, P Mueller, H and Muenich, K Mulders, M Mundim, LM Murray, WJ Muryn, B and Myatt, G Naraghi, F Navarria, FL Navas, S Nawrocki, K Negri, P Nemecek, S Neumann, W Nicolaidou, R and Nielsen, BS Nieuwenhuizen, M Nikolaenko, V Niss, P and Nomerotski, A Normand, A Novak, M OberschulteBeckmann, W and Obraztsov, V Olshevski, AG Onofre, A Orava, R Osterberg, K Ouraou, A Paganini, P Paganoni, M Pages, P Pain, R and Palka, H Papadopoulou, TD Papageorgiou, K Pape, L and Parkes, C Parodi, F Passeri, A Pegoraro, M Pernegger, H and Pernicka, M Perrotta, A Petridou, C Petrolini, A and Phillips, HT Piana, G Pierre, F Pimenta, M Podobnik, T and Podobrin, O Pol, ME Polok, G Poropat, P Pozdniakov, V Privitera, P Pukhaeva, N Pullia, A Radojicic, D and Ragazzi, S Rahmani, H Rames, J Ratoff, PN Read, AL and Reale, M Rebecchi, P Redaelli, NG Regler, M Reid, D and Reinhardt, R Renton, PB Resvanis, LK Richard, F and Richardson, J Ridky, J Rinaudo, G Ripp, I Romero, A and Roncagliolo, I Ronchese, P Roos, L Rosenberg, EI and Roudeau, P Rovelli, T Ruckstuhl, W RuhlmannKleider, V and Ruiz, A Rybicki, K Saarikko, H Sacquin, Y Sadovsky, A and Sahr, O Sajot, G Salt, J Sanchez, J Sannino, M and Schimmelpfennig, M Schneider, H Schwickerath, U Schyns, MAE and Sciolla, G Scuri, F Seager, P Sedykh, Y Segar, AM and Seitz, A Sekulin, R Serbelloni, L Shellard, RC and Siegrist, P Silvestre, R Simonetti, S Simonetto, F and Sisakian, AN Sitar, B Skaali, TB Smadja, G Smirnov, N and Smirnova, O Smith, GR Solovianov, O Sosnowski, R and SouzaSantos, D Spassov, T Spiriti, E Sponholz, P and Squarcia, S Stampfer, D Stanescu, C Stanic, S Stapnes, S and Stavitski, I Stevenson, K Stocchi, A Strauss, J and Strub, R Stugu, B Szczekowski, M Szeptycka, M Tabarelli, T Tavernet, JP Thomas, J Tilquin, A Timmermans, J and Tkatchev, LG Todorov, T Todorova, S Toet, DZ Tomaradze, A Tome, B Tonazzo, A Tortora, L Transtromer, G and Treille, D Tristram, G Trombini, A Troncon, C Tsirou, A and Turluer, ML Tyapkin, IA Tyndel, M Tzamarias, S and Ueberschaer, B Ullaland, O Uvarov, V VAlenti, G and Vallazza, E VanderVelde, C VanApeldoorn, GW VanDam, P and VanDoninck, WK VanEldik, J VanLysebetten, A Vassilopoulos, N and Vegni, G Ventura, L Venus, W Verbeure, E Verlato, M and Vertogradov, LS Vilanova, D Vincent, P Vitale, L and Vlasov, E Vodopyanov, AS Vrba, V Wahlen, H Walck, C and Weierstall, M Weihammer, P Weiser, C Wetherell, AM and Wicke, D Wickens, JH Wielers, M Wilkinson, GR Williams, WSC Winter, M Witek, M Wlodek, T Woschnagg, K Yip, K and Yushchenko, O Zach, F Zaitsev, A Zalewska, A and Zalewski, P Zavrtanik, D Zevgolatakos, E Zimin, NI Zito, M Zontar, D Zucchelli, GC Zumerle, G
Abstract: In a sample of 3.02 million hadronic Z(0) decays collected by the DELPHI detector, 270 J/psi –> e(+)e(-) candidates have been selected. A search for fully reconstructed B-c(+/-) mesons has yielded one B-c(+/-) –> J/psi pi(+/-) candidate, no B-c(+/-) –> J/psi e(+/-) nu(e) candidates, and one B-c(+/-) –> J/psi pi(+)pi(-)pi(+) candidate, consistent with expected background in each channel. The following 90% confidence level upper limits ate determined: Br(Z(0) –> B-c(+/-) X) x Br(B-c(+/-) –> J/psi pi(+)) < (1.05 to 0.84) x 10(-4) and Br(Z(d) –> B-c(+/-) X) x Br(B-c(+/-) –> J/psi e(+/-) nu(e)) < (5.8 to 5.0) x 10(-5), where the ranges quoted correspond to the range of predicted B-c(+/-) lifetimes from 0.4 to 1.4 ps, and Br(Z(0) –> B-c(+/-) X) x Br(B-c(+/-) –> J/psi pi(+)pi(-)pi(+/-)) < 1.75 x 10(-4), constant over the range of predicted B-c(+/-) lifetimes. (C) 1997 Elsevier Science B.V.
Published: 1997

80. Search for excited leptons in e(+)e(-) collisions at root s=161 GeV

Author: Abreu, P, Adam, W, Adye, T, Ajinenko, I, Alekseev, Gd, Alemany, R, Allport, Pp, Almehed, S, Amaldi, U, Amato, S, Andreazza, A, Andrieux, Ml, Antilogus, P, Apel, Wd, Asman, B, Augustin, Je, Augustinus, A, Baillon, P, Bambade, P, Barao, F, Barate, R, Barbi, M, Bardin, Dy, Barker, G, Baroncelli, A, Barring, O, Barrio, Ja, Bartl, W, Bates, Mj, Battaglia, M, Baubillier, M, Baudot, J, Becks, Kh, Begalli, M, Beilliere, P, Belokopytov, Y, Belous, K, Benvenuti, Ac, Berggren, M, Bertini, D, Bertrand, D, Besancon, M, Bianchi, F, Bigi, M, Bilenky, Ms, Billoir, P, Bizouard, Ma, Bloch, D, Blume, M, Bolognese, T, Bonesini, M, Bonivento, W, Booth, Psl, Borisov, G, Bosio, C, Botner, O, Boudinov, E, Bouquet, B, Bourdarios, C, Bowcock, Tjv, Bozzo, M, Branchini, P, Brand, Kd, Brenke, T, Brenner, Ra, Bricman, C, Brown, Rca, Bruckman, P, Brunet, Jm, Bugge, L, Buran, T, Burgsmueller, T, Buschmann, P, Cabrera, S, Caccia, M, Calvi, M, Rozas, Ajc, Camporesi, T, Canale, V, Canepa, M, Cankocak, K, Cao, F, Carena, F, Carroll, L, Caso, C, Gimenez, Mvc, Cattai, A, Cavallo, Fr, Chabaud, V, Chapkin, M, Carpentier, P, Chaussard, L, Checchia, P, Chelkov, Ga, Chen, M, Chierici, R, Chliapnikov, P, Chochula, P, Chodoba, J, Chorowicz, V, Cindro, V, Collins, P, Contri, R, Cortina, E, Cosme, G, Cossutti, F, Cowell, Jh, Crawley, Hb, Crennell, D, Crosetti, G, Maestro, Jc, Czellar, S, Dahljensen, E, Dahm, J, Dalmagne, B, Dam, M, Damgaard, G, Dauncey, Pd, Davenport, M, Dasilva, W, Defoix, C, Deghorain, A, Dellaricca, G, Delpierre, P, Demaria, N, Deangelis, A, Deboer, W, Debrabandere, S, Declercq, C, Delavaissiere, C, DE LOTTO, Barbara, Demin, A, Depaula, L, Desaintjean, C, Dijkstra, H, Diciaccio, L, Didiodato, A, Djama, F, Djannati, A, Dolbeau, J, Doroba, K, Dracos, M, Drees, J, Drees, Ka, Dris, M, Durand, Jd, Edsall, D, Ehret, R, Eigen, G, Ekelof, T, Ekspong, G, Elsing, M, Engel, Jp, Erzen, B, Santo, Me, Falk, E, Fassouliotis, D, Feindt, M, Ferrer, A, Fichet, S, Filippas, Ta, Firestone, A, Fischer, Pa, Foeth, H, Fokitis, E, Fontanelli, F, Formenti, F, Franek, B, Frenkiel, P, Fries, Dc, Frodesen, Ag, Fruhwirth, R, Fuldaquenzer, F, Fuster, J, Galloni, A, Gamba, D, Gandelman, M, Garcia, C, Garcia, J, Gaspar, C, Gasparini, U, Gavillet, P, Gazis, En, Gele, D, Gerber, Jp, Gerdyukov, L, Gokieli, R, Golob, B, Gopal, G, Gorn, L, Gorski, M, Gouz, Y, Gracco, V, Graziani, E, Green, C, Grefrath, A, Gris, P, Grosdidier, G, Grzelak, K, Gumenyuk, S, Gunnarsson, P, Gunther, M, Guy, J, Hahn, F, Hahn, S, Hajduk, Z, Hallgren, A, Hamacher, K, Harris, Fj, Hedberg, V, Henriques, R, Hernandez, Jj, Herquet, P, Herr, H, Hessing, Tl, Higon, E, Hilke, Hj, Hill, Ts, Holmgren, So, Holt, Pj, Holthuizen, D, Hoorelbeke, S, Houlden, M, Huet, K, Hultqvist, K, Jackson, Jn, Jacobsson, R, Jalocha, P, Janik, R, Jarlskog, C, Jarlskog, G, Jarry, P, Jeanmarie, B, Johansson, Ek, Jonsson, L, Jonsson, P, Joram, C, Juillot, P, Kaiser, M, Kapusta, F, Karafasoulis, K, Karlsson, M, Karvelas, E, Katsanevas, S, Katsoufis, Ec, Keranen, R, Khokhlov, Y, Khomenko, Ba, Khovanski, Nn, King, B, Kjaer, Nj, Klapp, O, Klein, H, Klovning, A, Kluit, P, Kokkinias, P, Konopliannikov, A, Koratzinos, M, Korcyl, K, Kostioukhine, V, Kourkoumelis, C, Kouznetsov, O, Krammer, M, Kreuter, C, Kronkvist, I, Krumstein, Z, Krupinski, W, Kubinec, P, Kucewicz, W, Kurvinen, K, Lacasta, C, Laktineh, I, Lamsa, Jw, Lanceri, L, Lane, Dw, Langefeld, P, Lapin, V, Laugier, Jp, Lauhakangas, R, Leder, G, Ledroit, F, Lefebure, V, Legan, Ck, Leitner, R, Lemonne, J, Lenzen, G, Lepeltier, V, Lesiak, T, Libby, J, Liko, D, Lindner, R, Lipniacka, A, Lippi, I, Loerstad, B, Loken, Jg, Lopez, Jm, Loukas, D, Lutz, P, Lyons, L, Macnaughton, J, Maehlum, G, Mahon, Jr, Maio, A, Malmgren, Tgm, Malychev, V, Mandl, F, Marco, J, Marco, R, Marechal, B, Margoni, M, Marin, Jc, Mariotti, C, Markou, A, Martinezrivero, C, Martinezvidal, F, Garcia, Smi, Masik, J, Matorras, F, Matteuzzi, C, Matthiae, G, Mazzucato, M, Mccubbin, M, Mckay, R, Mcnulty, R, Medbo, J, Merk, M, Meroni, C, Meyer, S, Meyer, Wt, Michelotto, M, Migliore, E, Mirabito, L, Mitaroff, Wa, Mjoernmark, U, Moa, T, Moeller, R, Moenig, K, Monge, Mr, Morettini, P, Mueller, H, Muenich, K, Mulders, M, Mundim, Lm, Murray, Wj, Muryn, B, Myatt, G, Naraghi, F, Navarria, Fl, Navas, S, Neumann, W, Neumeister, N, Nicolaidou, R, Nawrocki, K, Negri, P, Nielsen, Bs, Nieuwenhuizen, M, Nikolaenko, V, Niss, P, Nomerotski, A, Normand, A, Oberschultebeckmann, W, Obraztsov, V, Olshevski, Ag, Onofre, A, Orava, R, Osterberg, K, Ouraou, A, Paganini, P, Paganoni, M, Pages, P, Pain, R, Palka, H, Papadopoulou, Td, Papageorgiou, K, Pape, L, Parkes, C, Parodi, F, Passeri, A, Pegoraro, M, Peralta, L, Pernegger, H, Pernicka, M, Perrotta, A, Petridou, C, Petrolini, A, Phillips, Ht, Piana, G, Pierre, F, Pimenta, M, Podobnik, T, Podobrin, O, Pol, Me, Polok, G, Poropat, P, Pozdniakov, V, Privitera, P, Pukhaeva, N, Pullia, A, Radojicic, D, Ragazzi, S, Rahmani, H, Rames, J, Ratoff, Pn, Read, Al, Reale, M, Rebecchi, P, Redaelli, Ng, Regler, M, Reid, D, Renton, Pb, Resvanis, Lk, Richard, F, Richardson, J, Ridky, J, Rinaudo, G, Ripp, I, Romero, A, Roncagliolo, I, Ronchese, P, Roos, L, Rosenberg, Ei, Roudeau, P, Rovelli, T, Ruhlmannkleider, V, Ruiz, A, Rybicki, K, Saarikko, H, Sacquin, Y, Sadovsky, A, Sahr, O, Sajot, G, Salt, J, Sanchez, J, Sannino, M, Schimmelpfennig, M, Schneider, H, Schwickerath, U, Schyns, Mae, Sciolla, G, Scuri, Fabrizio, Seager, P, Sedykh, Y, Segar, Am, Seitz, A, Sekulin, R, Serbelloni, L, Shellard, Rc, Siegrist, P, Silvestre, R, Simonetti, S, Simonetto, F, Sisakian, An, Sitar, B, Skaali, Tb, Smadja, G, Smirnov, N, Smirnova, O, Smith, Gr, Sokolov, A, Sosnowski, R, Souzasantos, D, Spassov, T, Spiriti, E, Sponholz, P, Squarcia, S, Stampfer, D, Stanescu, C, Stanic, S, Stapnes, S, Stavitski, I, Stevenson, K, Stocchi, A, Strauss, J, Strub, R, Stugu, B, Szczekowski, M, Szeptycka, M, Tabarelli, T, Tavernet, Jp, Thomas, J, Tilquin, A, Timmermans, J, Tkatchev, Lg, Todorov, T, Todorova, S, Toet, Dz, Tomaradze, A, Tome, B, Tonazzo, A, Tortora, L, Transtromer, G, Treille, D, Tristram, G, Trombini, A, Troncon, C, Tsirou, A, Turluer, Ml, Tyapkin, Ia, Tyndel, M, Tzamarias, S, Ueberschaer, B, Ullaland, O, Valenti, G, Vallazza, E, Vandervelde, C, Vanapeldoorn, Gw, Vandam, P, Vandoninck, Wk, Vaneldik, J, Vanlysebetten, A, Vassilopoulos, N, Vegni, G, Ventura, L, Venus, W, Verbeure, F, Verlato, M, Vertogradov, Ls, Vilanova, D, Vincent, P, Vitale, L, Vlasov, E, Vodopyanov, As, Vrba, V, Wahlen, H, Walck, C, Waldner, F, Weierstall, M, Weilhammer, P, Weiser, C, Wetherell, Am, Wicke, D, Wickens, Jh, Wielers, M, Wilkinson, Gr, Williams, Wsc, Winter, M, Witek, M, Wlodek, T, Woschnagg, K, Yip, K, Yushchenko, O, Zach, F, Zaitsev, A, Zalewska, A, Zalewski, P, Zavrtanik, D, Zevgolatakos, E, Zimin, Mi, Zito, M, Zontar, D, Zucchelli, Gc, and Zumerle, G.
Subjects: NEUTRINOS, E+E, HERA, High Energy Physics::Phenomenology, High Energy Physics::Experiment, ELECTRON, LEP, ANNIHILATION, Z0 DECAYS, CROSS-SECTIONS
Abstract: A search with the DELPHI detector at LEP for excited leptons (e*, μ*, τ* and v*) decaying through γ, W or Z transitions is reported. The data used correspond to an integrated luminosity of 10 pb-1 at an e+e- centre-of-mass energy of 161 GeV. The search for pair produced excited leptons established the limits me* > 79.6 GeV/c2, mμ* > 79.6 GeV/c2, mτ* > 79.4 GeV/c2 and mv* > 56.4 GeV/c2 at 95% confidence level, assuming that the SU(2) and U(1) couplings of excited leptons are in the same ratio as for normal leptons and considering both left and right-handed components. Limits corresponding to other assumptions are also given. The search for single excited lepton production established upper limits on the ratio λ/mℓ* of the coupling of the excited lepton to its mass.
Published: 1997

81. A measurement of alpha(s) from the scaling violation in e(+)e(-) annihilation

Author: Abreu, P Adam, W Adye, T Ajinenko, I Alekseev, GD and Alemany, R Allport, PP Almehed, S Amaldi, U Amato, S and Andreazza, A Andrieux, ML Antilogus, P Apel, WD Asman, B and Augustin, JE Augustinus, A Baillon, P Bambade, P and Barao, F Barbi, M Barbiellini, G Bardin, DY Barker, G and Baroncelli, A Barring, O Barrio, JA Bartl, W Bates, MJ Battaglia, M Baubillier, M Baudot, J Becks, KH and Begalli, M Beilliere, P Belokopytov, Y Benvenuti, AC and Berggren, M Bertini, D Bertrand, D Besancon, M Bianchi, F Bigi, M Bilenky, MS Billoir, P Bizouard, MA Bloch, D Blume, M Bolognese, T Bonesini, M Bonivento, W and Booth, PSL Bosio, C Botner, O Boudinov, E Bouquet, B and Bourdarios, C Bowcock, TJV Bozzo, M Branchini, P Brand, KD Brenke, T Brenner, RA Bricman, C Brown, RCA and Bruckman, P Brunet, JM Bugge, L Buran, T Burgsmueller, T and Buschmann, P Cabrera, S Caccia, M Calvi, M Rozas, AJC Camporesi, T Canale, V Canepa, M Cankocak, K and Cao, F Carena, F Carroll, L Caso, C Gimenez, MVC and Cattai, A Cavallo, FR Chabaud, V Charpentier, P and Chaussard, L Checchia, P Chelkov, GA Chen, M Chierici, R and Chliapnikov, P Chochula, P Chorowicz, V Chudoba, J and Cindro, V Collins, P Contri, R Cortina, E Cosme, G and Cossutti, F Cowell, JH Crawley, HB Crennell, D Crosetti, G Maestro, JC Czellar, S DahlJensen, E Dahm, J and Dalmagne, B Dam, M Damgaard, G Dauncey, PD Davenport, M and DaSilva, W Defoix, C Deghorain, A DellaRicca, G and Delpierre, P Demaria, N DeAngelis, A DeBoer, W and DeBrabandere, S DeClercq, C Delavaissiere, C DeLotto, B and DeMin, A DePaula, L DeSaintJean, C Dijkstra, H and DiCiaccio, L DiDiodato, A Djama, F Djannati, A Dolbeau, J Doroba, K Dracos, M Dress, J Drees, KA Dris, M and Durand, JD Edsall, D Ehret, R Eigen, G Ekelof, T and Ekspong, G Elsing, M Engel, JP Erzen, B Santo, ME and Falk, E Fassouliotis, D Feindt, M Fenyuk, A Ferrer, A and Fichet, S Filippas, TA Firestone, A Fischer, PA and Foeth, H Fokitis, E Fontanelli, F Formenti, F Franek, B and Frenkiel, P Fries, DC Frodesen, AG FuldaQuenzer, F and Fuster, J Galloni, A Gamba, D Gandelman, M Garcia, C and Garcia, J Gaspar, C Gasparini, U Gavillet, P Gazis, EN and Gele, D Gerber, JP Gerdyukov, L Gokieli, R Golob, B and Gopal, G Gorn, L Gorski, M Gouz, Y Gracco, V and Graziani, E Green, C Grefrath, A Gris, P Grosdidier, G and Grzelak, K Gumenyuk, S Gunnarsson, P Gunther, M Guy, J Hahn, F Hahn, S Hajduk, Z Hallgren, A Hamacher, K and Harris, FJ Hedberg, V Henriques, R Hernandez, JJ and Herquet, P Herr, H Hessing, TL Heuser, JM Higon, E and Hilke, HJ Hill, TS Holmgren, SO Holt, PJ Holthuizen, D and Hoorelbeke, S Houlden, M Hrubec, J Huet, K and Hultqvist, K Jackson, JN Jacobsson, R Jalocha, P Janik, R Jarlskog, C Jarlskog, G Jarry, P JeanMarie, B and Johansson, EK Jonsson, L Jonsson, P Joram, C Juillot, P and Kaiser, M Kapusta, F Karafasoulis, K Karlsson, M and Karvelas, E Katsanevas, S Katsoufis, EC Keranen, R and Khokhlov, Y Khomenko, BA Khovanski, NN King, B Kjaer, NJ and Klapp, O Klein, H Klovning, A Kluit, P Koene, B and Kokkinias, P Koratzinos, M Korcyl, K Kostioukhine, V and Kourkoumelis, C Kouznetsov, O Krammer, M Kreuter, C and Kronkvist, I Krumstein, Z Krupinski, W Kubinec, P and Kucewicz, W Kurvinen, K Lacasta, C Laktineh, I Lamsa, JW and Lanceri, L Lane, DW Langefeld, P Lapin, V Laugier, JP Lauhakangas, R Leder, G Ledroit, F Lefebure, V and Legan, CK Leitner, R Lemonne, J Lenzen, G Lepeltier, V and Lesiak, T Libby, J Liko, D Lindner, R Lipniacka, A and Lippi, I Loerstad, B Loken, JG Lopez, JM Loukas, D and Lutz, P Lyons, L MacNaughton, J Maehlum, G Mahon, JR and Maio, A Malmgren, TGM Malychev, V Mandl, F Marco, J and Marco, R Marechal, B Margoni, M Marin, JC Mariotti, C Markou, A MartinezRivero, C MartinezVidal, F Garcia, SM Masik, J Matorras, F Matteuzzi, C Matthiae, G and Mazzucato, M McCubbin, M McKay, R McNulty, R Medbo, J and Merk, M Meroni, C Meyer, S Meyer, WT Miagkov, A and Michelotto, M Migliore, E Mirabito, L Mitaroff, WA and Mjoernmark, U Moa, T Moeller, R Moenig, K Monge, MR and Morettini, P Mueller, H Muenich, K Mulders, M Mundim, LM and Murray, WJ Muryn, B Myatt, G Naraghi, F Navarria, FL and Navas, S Nawrocki, K Negri, P Neumann, W Neumeister, N Nicolaidou, R Nielsen, BS Nieuwenhuizen, M Nikolaenko, V Niss, P Nomerotski, A Normand, A OberschulteBeckmann, W Obraztsov, V Olshevski, AG Orava, R Orazi, G and Osterberg, K Ouraou, A Paganini, P Paganoni, M Pages, P and Pain, R Palka, H Papadopoulou, TD Papageorgiou, K and Pape, L Parkes, C Parodi, F Passeri, A Pegoraro, M and Peralta, L Pernegger, H Pernicka, M Perrotta, A and Petridou, C Petrolini, A Petrovyck, M Phillips, HT and Piana, G Pierre, F Pimenta, M Podobnik, T Podobrin, O and Pol, ME Polok, G Poropat, P Pozdniakov, V Privitera, P Pukhaeva, N Pullia, A Radojicic, D Ragazzi, S and Rahmani, H Rames, J Ratoff, PN Read, AL Reale, M and Rebecchi, P Redaelli, NG Reid, D Reinhardt, R Renton, PB and Resvanis, LK Richard, F Richardson, J Ridky, J and Rinaudo, G Ripp, I Romero, A Roncagliolo, I Ronchese, P and Roos, L Rosenberg, EI Roudeau, P Rovelli, T and Ruckstuhl, W RuhlmannKleider, V Ruiz, A Rybicki, K and Saarikko, H Sacquin, Y Sadovsky, A Sahr, O Sajot, G and Salt, J Sanchez, J Sannino, M Schimmelpfennig, M and Schneider, H Schwickerath, U Schyns, MAE Sciolla, G and Scuri, F Seager, P Sedykh, Y Segar, AM Seitz, A and Sekulin, R Serbelloni, L Shellard, RC Siegrist, P and Silvestre, R Simonetti, S Simonetto, F Sisakian, AN and Sitar, B Skaali, TB Smadja, G Smirnov, N Smirnova, O and Smith, GR Sosnowski, R SouzaSantos, D Spassov, T and Spiriti, E Sponholz, P Squarcia, S Stampfer, D Stanescu, C Stanic, S Stapnes, S Stavitski, L Stevenson, K and Stocchi, A Strauss, J Strub, R Stugu, B Szczekowski, M and Szeptycka, M Tabarelli, T Tavernet, JP Tchikilev, O and Thomas, J Tilquin, A Timmermans, J Tkatchev, LG Todorov, T Todorova, S Toet, DZ Tomaradze, A Tome, B Tonazzo, A Tortora, L Transtromer, G Treille, D Tristram, G and Trombini, A Troncon, C Tsirou, A Turluer, ML Tyapkin, IA and Tyndel, M Tzamarias, S Ueberschaer, B Ullaland, O and Uvarov, V Valenti, G Vallazza, E VanApeldoorn, GW and VanDam, P VanEldik, J VanLysebetten, A Vassilopoulos, N and Vegni, G Ventura, L Venus, W Verbeure, F Verlato, M and Vertogradov, LS Vilanova, D Vincent, P Vitale, L Vlasov, E Vodopyanov, AS Vrba, V Wahlen, H Walck, C and Weierstall, M Weilhammer, P Weiser, C Wetherell, AM and Wicke, D Wickens, JH Wielers, M Wilkinson, GR Williams, WSC Winter, M Witek, M Wlodek, T Woschnagg, K Yip, K and Yushchenko, O Zach, F Zaitsev, A Zalewska, A and Zalewski, P Zavrtanik, D Zevgolatakos, E Zimin, NI Zito, M Zontar, D Zucchelli, GC Zumerle, G
Subjects: High Energy Physics::Phenomenology, High Energy Physics::Experiment, Nuclear Experiment
Abstract: The hadronic fragmentation functions of the various quark flavours and of gluons are measured in a study of the inclusive hadron production from Z(0) decays with the DELPHI detector and are compared with the fragmentation functions measured elsewhere at energies between 14 GeV and 91 GeV. A large scaling violation is observed, which is used to extract the strong coupling constant from a fit using a numerical integration of the second order DGLAP evolution equations. The result is alpha(s)(M-Z) = 0.124(-0.007)(+0.006) (exp) +/- 0.009(theory) where the first error represents the experimental uncertainty and the second error is due to the factorization and renormalization scale dependence. (C) 1997 Elsevier Science B.V.
Published: 1997

82. Search for B-s(0)-(B-s(0))over-bar oscillations

Author: Adam, W Adye, T Ajinenko, I Alekseev, GD Alemany, R and Allport, PP Almehed, S Amaldi, U Amato, S Andersson, P and Andreazza, A Antilogus, P Apel, WD Arnoud, Y Asman, B Augustin, JE Augustinus, A Baillon, P Bambade, P and Barao, F Barbi, M Bardin, DY Barker, G Baroncelli, A and Barring, O Bates, MJ Battaglia, M Baubillier, M Baudot, J Becks, KH Begalli, M Beilliere, P Belokopytov, Y and Belous, K Benvenuti, AC Berat, C Berggren, M Bertini, D and Bertrand, D Besancon, M Bianchi, F Bigi, M Bilenky, MS Billoir, P Bizouard, MA Bloch, D Blume, M and Bonesini, M Bonivento, W Boonekamp, M Booth, PSL and Borgland, AW Borisov, G Bosio, C Botner, O Boudinov, E and Bouquet, B Bourdarios, C Bowcock, TJV Bozovic, I and Bozzo, M Branchini, P Brand, KD Brenke, T Brenner, RA and Brown, RCA Bruckman, P Brunet, JM Bugge, L Buran, T and Burgsmueller, T Buschmann, P Cabrera, S Caccia, M and Calvi, M Rozas, AJC Camporesi, T Canale, V Canepa, M and Carena, F Carroll, L Caso, C Gimenez, MVC Cattai, A and Cavallo, FR Chabaud, V Chapkin, M Charpentier, P and Chaussard, L Checchia, P Chelkov, GA Chen, M Chierici, R and Chliapnikov, P Chochula, P Chorowicz, V Chudoba, J and Cindro, V Collins, P Colomer, M Contri, R Cortina, E and Cosme, G Cossutti, F Cowell, JH Crawley, HB Crennell, D and Crosetti, G Maestro, JC Czellar, S Dahm, J Dalmagne, B Damgaard, G Dauncey, PD Davenport, M Da Silva, W and Deghorain, A Della Ricca, G Delpierre, P Demaria, N De Angelis, A De Boer, W De Brabandere, S De Clercq, C De La Vaissiere, C De Lotto, B De Min, A De Paula, L and Dijkstra, H Di Ciaccio, L Di Diodato, A Djannati, A and Dolbeau, J Doroba, K Dracos, M Drees, J Drees, KA and Dris, M Durand, JD Edsall, D Ehret, R Eigen, G and Ekelof, T Ekspong, G Elsing, M Engel, JP Erzen, B and Santo, ME Falk, E Fanourakis, G Fassouliotis, D Feindt, M Ferrari, P Ferrer, A Fichet, S Filippas, TA and Firestone, A Fischer, PA Foeth, H Fokitis, E Fontanelli, F Formenti, F Franek, B Frodesen, AG Fruhwirth, R and Fulda-Quenzer, F Fuster, J Galloni, A Gamba, D and Gandelman, M Garcia, C Garcia, J Gaspar, C Gasparini, U and Gavillet, P Gazis, EN Gele, D Gerber, JP Gerdyukov, L Gokieli, R Golob, B Goncalves, P Gopal, G Gorn, L and Gorski, M Gouz, Y Gracco, V Graziani, E Green, C and Grefrath, A Gris, P Grosdidier, G Grzelak, K Gunther, M and Guy, J Hahn, F Hahn, S Hajduk, Z Hallgren, A and Hamacher, K Harris, FJ Hedberg, V Henriques, R and Hernandez, JJ Herquet, P Herr, H Hessing, TL Heuser, JM and Higon, E Holmgren, SO Holt, PJ Holthuizen, D and Hoorelbeke, S Houlden, M Hrubec, J Huet, K Hultqvist, K and Jackson, JN Jacobsson, R Jalocha, P Janik, R and Jarlskog, C Jarlskog, G Jarry, P Jean-Marie, B and Johansson, EK Jonsson, L Jonsson, P Joram, C Juillot, P and Kaiser, M Kapusta, F Karafasoulis, K Karvelas, E and Katsanevas, S Katsoufis, EC Keranen, R Khokhlov, Y and Khomenko, BA Khovanski, NN King, B Kjaer, NJ Klapp, O and Klein, H Kluit, P Knoblauch, D Koene, B Kokkinias, P and Koratzinos, M Korcyl, K Kostioukhine, V Kourkoumelis, C and Kouznetsov, O Krammer, M Kreuter, C Kronkvist, I and Krumstein, Z Krupinski, W Kubinec, P Kucewicz, W and Kurvinen, K Lacasta, C Laktineh, I Lamsa, JW Lanceri, L and Lane, DW Langefeld, P Laugier, JP Lauhakangas, R and Leder, G Ledroit, F Lefebure, V Legan, CK Leisos, A and Leitner, R Lemonne, J Lenzen, G Lepeltier, V Lesiak, T and Lethuillier, M Libby, J Liko, D Lipniacka, A Lippi, I Loerstad, B Loken, JG Lopez, JM Loukas, D Lutz, P and Lyons, L Macnaughton, J Maehlum, G Mahon, JR Maio, A and Malmgren, TGM Malychev, V Mandl, F Marco, J Marco, R and Marechal, B Margoni, M Marin, JC Mariotti, C Markou, A Martinez-Rivero, C Martinez-Vidal, F Garcia, SMI and Masik, J Matorras, F Matteuzzi, C Matthiae, G Mazzucato, M Mc Cubbin, M Mc Kay, R Mc Nulty, R Mc Pherson, G and Medbo, J Merk, M Meroni, C Meyer, S Meyer, WT and Michelotto, M Migliore, E Mirabito, L Mitaroff, WA and Mjoernmark, U Moa, T Moeller, R Moenig, K Monge, MR and Morettini, P Mueller, H Muenich, K Mulders, M Mundim, LM and Murray, WJ Muryn, B Myatt, G Myklebust, T Naraghi, F and Navarria, FL Navas, S Nawrocki, K Negri, P Nemecek, S Neumann, W Neumeister, N Nicolaidou, R Nielsen, BS and Nieuwenhuizen, M Nikolaenko, V Nikolenko, M Niss, P and Nomerotski, A Normand, A Nygren, A Oberschulte-Beckmann, W and Obraztsov, V Olshevski, AG Onofre, A Orava, R Orazi, G Ortuno, S Osterberg, K Ouraou, A Paganini, P and Paganoni, M Paiano, S Pain, R Palka, H Papadopoulou, TD and Papageorgiou, K Pape, L Parkes, C Parodi, F and Parzefall, U Passeri, A Pegoraro, M Peralta, L and Pernegger, H Pernicka, M Perrotta, A Petridou, C and Petrolini, A Phillips, HT Piana, G Pierre, F Pimenta, M and Piotto, E Podobnik, T Podobrin, O Pol, ME Polok, G and Poropat, P Pozdniakov, V Privitera, P Pukhaeva, N and Pullia, A Radojicic, D Ragazzi, S Rahmani, H Ratoff, PN and Read, AL Reale, M Rebecchi, P Redaelli, NG Regler, M and Reid, D Reinhardt, R Renton, PB Resvanis, LK and Richard, F Ridky, J Rinaudo, G Rohne, O Romero, A and Ronchese, P Roos, L Rosenberg, EI Rosinsky, P Roudeau, P and Rovelli, T Ruckstuhl, W Ruhlmann-Kleider, V Ruiz, A and Rybicki, K Saarikko, H Sacquin, Y Sadovsky, A Sajot, G and Salt, J Sannino, M Schneider, H Schwickerath, U and Schyns, MAE Sciolla, G Scuri, F Seager, P Sedykh, Y and Segar, AM Seitz, A Sekulin, R Serbelloni, L Shellard, RC and Sheridan, A Siccama, I Siegrist, P Silvestre, R and Simonetto, F Sisakian, AN Skaali, TB Smadja, G Smirnov, N Smirnova, O Smith, GE Solovianov, O Sosnowski, R and Souza-Santos, D Spassov, T Spiriti, E Sponholz, P and Squarcia, S Stampfer, D Stanescu, C Stanic, S Stapnes, S and Stavitski, I Stevenson, K Stocchi, A Strauss, J and Strub, R Stugu, B Szczekowski, M Szeptycka, M Tabarelli, T Tavernet, JP Tchikilev, O Tegenfeldt, F Terranova, F and Thomas, J Tilquin, A Timmermans, J Tkatchev, LG and Todorov, T Todorova, S Toet, DZ Tomaradze, A Tome, B and Tonazzo, A Tortora, L Transtromer, G Treille, D and Tristram, G Trombini, A Troncon, C Tsirou, A Turluer, ML and Tyapkin, IA Tyndel, M Tzamarias, S Ueberschaer, B and Ullaland, O Uvarov, V Valenti, G Vallazza, E Van Apeldoorn, GW Van Dam, P Van Eldik, J Van Lysebetten, A and Vassilopoulos, N Vegni, G Ventura, L Venus, W Verbeure, F Verlato, M Vertogradov, LS Vilanova, D Vincent, P and Vitale, L Vlasov, E Vodopyanov, AS Vrba, V Wahlen, H and Walck, C Waldner, F Weiser, C Wetherell, AM Wicke, D and Wickens, JH Wielers, M Wilkinson, GR Williams, WSC and Winter, M Witek, M Wlodek, T Yi, J Yip, K and Yushchenko, O Zach, F Zaitsev, A Zalewska, A Zalewski, P and Zavrtanik, D Zevgolatakos, E Zimin, NI Zucchelli, GC and Zumerle, G DELPHI Collaboration
Abstract: Oscillations of B(s)(0)mesons were studied in events with a large transverse momentum lepton selected from 3.2 million hadronic Z(0) decays registered by DELPHI between 1991 and 1994. A limit on the mass difference between the physical B-s(0) states Delta m(s) > 6.5 ps(-1) at 95% C.L. was obtained by combining the results obtained in three channels. (C) 1997 Published by Elsevier Science B.V.
Published: 1997

83. A precise measurement of the B-d(0) meson lifetime using a new technique

Author: Abreu, P Adam, W Adye, T Ajinenko, I Alekseev, GD and Alemany, R Allport, PP Almehed, S Amaldi, U Amato, S and Andreazza, A Andrieux, ML Antilogus, P Apel, WD Asman, B and Augustin, JE Augustinus, A Baillon, P Bambade, P and Barao, F Barate, R Barbi, M Bardin, DY Baroncelli, A and Barring, O Barrio, JA Bartl, W Bates, MJ Battaglia, M and Baubillier, M Baudot, J Becks, KH Begalli, M and Beilliere, P Belokopytov, Y Belous, K Benvenuti, AC and Berggren, M Bertini, D Bertrand, D Besancon, M Bianchi, F Bigi, M Bilenky, MS Billoir, P Bizouard, MA Bloch, D Blume, M Bolognese, T Bonesini, M Bonivento, W and Booth, PSL Bosio, C Botner, O Boudinov, E Bouquet, B and Bourdarios, C Bowcock, TJV Bozzo, M Branchini, P Brand, KD Brenke, T Brenner, RA Bricman, C Brown, RCA and Bruckman, P Brunet, JM Bugge, L Buran, T Burgsmueller, T and Buschmann, P Buys, A Cabrera, S Caccia, M Calvi, M and Rozas, AJC Camporesi, T CAnale, V Canepa, M and Cankocak, K Cao, F Carena, F Carroll, L Caso, C and Gimenez, MVC Cattai, A Cavallo, FR Chabaud, V and Charpentier, P Chaussard, L Checchia, P Chelkov, GA and Chen, M Chierici, R Chliapnikov, P Chochula, P and Chorowicz, V Chudoba, J Cindro, V Collins, P Contri, R and Cortina, E Cosme, G Cossutti, F Cowell, JH Crawley, HB Crennell, D Crosetti, G Maestro, JC Czellar, S and DahlJensen, E Dahm, J Dalmagne, B Dam, M Damgaard, G and Dauncey, PD Davenport, M DaSilva, W Defoix, C Deghorain, A DellaRicca, G Delpierre, P Demaria, N DeAngelis, A and DeBoer, W DeBrabandere, S DeClercq, C DeLaVaissiere, C and DeLotto, B DeMin, A DePaula, L DeSaintJean, C Dijkstra, H DiCiaccio, L DiDiodato, A Djama, F Djannati, A and Dolbeau, J Donszelmann, M Doroba, K Dracos, M Drees, J and Drees, KA Dris, M Durand, JD Edsall, D Ehret, R and Eigen, G Ekelof, T Ekspong, G Elsing, M Engel, JP and Erzen, B Santo, ME Falk, E Fassouliotis, D Feindt, M and Ferrer, A Fichet, S Filippas, TA Firestone, A Fischer, PA Foeth, H Fokitis, E Fontanelli, F Formenti, F and Franek, B Frenkiel, P Fries, DC Frodesen, AG Fruhwirth, R FuldaQuenzer, F Fuster, J Galloni, A Gamba, D and Gandelman, M Garcia, C Garcia, J Gaspar, C Gasparini, U and Gavillet, P Gazis, EN Gele, D Gerber, JP Gerdyukov, L Gokieli, R Golob, B Gopal, G Gorn, L Gorski, M and Gouz, Y Gracco, V Graziani, E Green, C Grefrath, A and Gris, P Grosdidier, G Grzelak, K Gumenyuk, S Gunnarsson, P Gunther, M Guy, J Hahn, F Hahn, S Hajduk, Z and Hallgren, A Hamacher, K Harris, FJ Hedberg, V Henriques, R Hernandez, JJ Herquet, P Herr, H Hessing, TL and Higon, E Hilke, HJ Hill, TS Holmgren, SO Holt, PJ and Holthuizen, D Hoorelbeke, S Houlden, M Hrubec, J Huet, K and Hultqvist, K Jackson, JN Jacobsson, R Jalocha, P and Janik, R Jarlskog, C Jarlskog, G Jarry, P JeanMarie, B and Johansson, EK Jonsson, L Jonsson, P Joram, C and Juillot, P Kaiser, M Kapusta, F Karafasoulis, K and Karlsson, M Karvelas, E Katsanevas, S Katsoufis, EC and Keranen, R Khokhlov, Y Khomenko, BA Khovanski, NN King, B Kjaer, NJ Klapp, O Klein, H Klovning, A Kluit, P and Koene, B Kokkinias, P Koratzinos, M Korcyl, K and Kostioukhine, V Kourkoumelis, C Kouznetsov, O Krammer, M and Kreuter, C Kronkvist, I Krumstein, Z Krupinski, W and Kubinec, P Kucewicz, W Kurvinen, K Lacasta, C Laktineh, I Lamsa, JW Lanceri, L Lane, DW Langefeld, P Lapin, V Laugier, JP Lauhakangas, R Leder, G Ledroit, F and Lefebure, V Legan, CK Leitner, R Lemonne, J Lenzen, G and Lepeltier, V Lesiak, T Libby, J Liko, D Lindner, R and Lipniacka, A Lippi, I Loerstad, B Loken, JG Lopez, JM Loukas, D Lutz, P Lyons, L MacNaughton, J and Maehlum, G Mahon, JR Maio, A Malmgren, TGM Malychev, V and Mandl, F Marco, J Marco, R Marechal, B Margoni, M and Marin, JC Mariotti, C Markou, A MartinezRivero, C and MartinezVidal, F Garcia, SMI Masik, J Matorras, F and Matteuzzi, C Matthiae, G Mazzucato, M McCubbin, M McKay, R McNulty, R Medbo, J Merk, M Meroni, C Meyer, S and Meyer, WT Michelotto, M Migliore, E Mirabito, L and Mitaroff, WA Mjoernmark, U Moa, T Moeller, R Moenig, K and Monge, MR Morettini, P Mueller, H Muenich, K and Mulders, M Mundim, LM Murray, WJ Muryn, B Myatt, G and Naraghi, F Navarria, FL Navas, S Nawrocki, K Negri, P and Neumann, W Neumeister, N Nicolaidou, R Nielsen, BS and Nieuwenhuizen, M Nikolaenko, V Niss, P Nomerotski, A and Normand, A Novak, M OberschulteBeckmann, W Obraztsov, V and Olshevski, AG Onofre, A Orava, R Osterberg, K Ouraou, A and Paganini, P Paganoni, M Pages, P Pain, R Palka, H and Papadopoulou, TD Papageorgiou, K Pape, L Parkes, C and Parodi, F Passeri, A Pegoraro, M Peralta, L Pernegger, H and Pernicka, M Perrotta, A Petridou, C Petrolini, A and Petrovyck, M Phillips, HT Piana, G Pierre, F Podobrin, O and Pol, ME Polak, G Poropat, P Pozdniakov, V Privitera, P Pukhaeva, N Pullia, A Radojicic, D Ragazzi, S and Rahmani, H Ratoff, PN Read, AL Reale, M Rebecchi, P and Redaelli, NG Regler, M Reid, D Renton, PB Resvanis, LK and Richard, F Richardson, J Ridky, J Rinaudo, G Ripp, I and Romero, A Roncagliolo, I Ronchese, P Roos, L and Rosenberg, EI Rosso, E Roudeau, P Rovelli, T Ruckstuhl, W RuhlmannKleider, V Ruiz, A Rybicki, K Saarikko, H and Sacquin, Y Sadovsky, A Sahr, O Sajot, G Salt, J and Sanchez, J Sannino, M Schimmelpfennig, M Schneider, H and Schwickerath, U Schyns, MAE Sciolla, G Scuri, F Seager, P Sedykh, Y Segar, AM Seitz, A Sekulin, R and Serbelloni, L Shellard, RC Siegrist, P Silvestre, R and Simonetti, S Simonetto, F Sisakian, AN Sitar, B Skaali, TB Smadja, G Smirnov, N Smirnova, O Smith, GR and Sosnowski, R SouzaSantos, D Spassov, T Spiriti, E and Sponholz, P Squarcia, S Stanescu, C Stapnes, S and Stavitski, I Stevenson, K Stichelbaut, F Stocchi, A and Strub, R Stugu, B Szczekowski, M Szeptycka, M Tabarelli, T Tavernet, JP Tchemiaev, E Tchikilev, O Thomas, J and Tilquin, A Timmermans, J Tkatchev, LG Todorov, T and Todorova, S Toet, DZ Tomaradze, A Tome, B Tonazzo, A and Tortora, L Transtromer, G Treille, D Trischuk, W and Tristram, G Trombini, A Troncon, C Tsirou, A Turluer, ML and Tyapkin, IA Tyndel, M Tzamarias, S Ueberschaer, B and Ullaland, O Uvarov, V Valenti, G Vallazza, E and VanApeldoorn, GW VanDam, P VanDoninck, WK VanEldik, J and VanLysebetten, A Vassilopoulos, N Vegni, G Ventura, L and Venus, W Verbeure, F Verlato, M Vertogradov, LS and Vilanova, D Vincent, P Vitale, L Vlasov, E Vodopyanov, AS Vrba, V Wahlen, H Walck, C Waldner, F Weierstall, M Weilhammer, P Weiser, C Wetherell, AM Wicke, D and Wickens, JH Wielers, M Wilkinson, GR Williams, WSC and Winter, M Witek, M Wlodek, T Woschnagg, K Yip, K and Yushchenko, O Zach, F Zaitsev, A Zalewska, A Zalewski, P and Zavrtanik, D Zevgolatakos, E Zimin, NI Zito, M and Zontar, D Zucchelli, GC Zumerle, G
Abstract: From data recorded by DELPHI between 1991 and 1994, which corresponds to 3.2 million hadronic Z(0) decays, a measurement of the meson lifetime, based on the inclusive reconstruction of 3520 +/- 150 semileptonic decays of the type –> D*+ l , has been performed, The result is: tau(B-d(0)) = 1.532 +/- 0.041(stat.) +/- 0.040(syst.)ps. The contribution to the systematic uncertainty which depends on external errors is +/-0.015.
Published: 1997

84. A study of the reaction e(+)e(-)->mu(+)mu(-)gamma(ISR) at LEP and search for new physics at annihilation energies near 80 GeV

Author: Abreu, P Adam, W Adye, T Ajinenko, I Alekseev, GD and Alemany, R Allport, PP Almehed, S Amaldi, U Amato, S and Andersson, P Andreazza, A Antilogus, P Apel, WD Asman, B and Augustin, JE Augustinus, A Baillon, P Bambade, P and Barao, F Barbi, M Barbiellini, G Bardin, DY Barker, G and Baroncelli, A Barring, O Bates, MJ Battaglia, M and Baubillier, M Baudot, J Becks, KH Begalli, M Beilliere, P Belokopytov, Y Belous, K Benvenuti, AC Berggren, M and Bertini, D Bertrand, D Besancon, M Bianchi, F Bigi, M and Bilenky, MS Billoir, P Bizouard, MA Bloch, D Blume, M Bonesini, M Bonivento, W Booth, PSL Borgland, AW and Borisov, G Bosio, C Botner, O Boudinov, E Bouquet, B and Bourdarios, C Bowcock, TJV Bozovic, I Bozzo, M and Branchini, P Brand, KD Brenke, T Brenner, RA Bricman, C and Brown, RCA Bruckman, P Brunet, JM Bugge, L Buran, T and Burgsmueller, T Buschmann, P Cabrera, S Caccia, M and Calvi, M Rozas, AJC Camporesi, T Canale, V Canepa, M and Cao, F Carena, F Carroll, L Caso, C Gimenez, MVC and Cattai, A Cavallo, FR Chabaud, V Charpentier, P and Chaussard, L Checchia, P Chelkov, GA Chen, M Chierici, R and Chliapnikov, P Chochula, P Chorowicz, V Chudoba, J and Cindro, V Collins, P Contri, R Cortina, E Cosme, G and Cossutti, F Cowell, JH Crawley, HB Crennell, D Crosetti, G Maestro, JC Czellar, S Dahm, J Dalmagne, B Dam, M and Damgaard, G Dauncey, PD Davenport, M DaSilva, W and Deghorain, A DellaRicca, G Delpierre, P Demaria, N and DeAngelis, A DeBoer, W DeBrabandere, S DeClercq, C and DeLaVaissiere, C DeLotto, B DeMin, A DePaula, L and Dijkstra, K DiCiaccio, L DiDiodato, A Djannati, A and Dolbeau, J Doroba, K Dracos, M Drees, J Drees, KA and Dris, M Durand, JD Edsall, D Ehret, R Eigen, G and Ekelof, T Ekspong, G Elsing, M Engel, JP Erzen, B and Santo, ME Falk, E Fanourakis, G Fassouliotis, D Feindt, M Fenyuk, A Ferrari, P Ferrer, A Fichet, S Filippas, TA Firestone, A Fischer, PA Foeth, H Fokitis, E and Fontanelli, F Formenti, F Franek, B Frodesen, AG and Fruhwirth, R FuldaQuenzer, F Fuster, J Galloni, A Gamba, D Gandelman, M Gandelman, M Garcia, C Garcia, J and Gaspar, D Gasparini, U Gavillet, P Gazis, EN Gele, D and Gerber, JP Gerdyukov, L Gokieli, R Golob, B Goncalves, P and Gopal, G Gorn, L Gorski, M Gouz, Y Gracco, V and Graziani, E Green, C Grefrath, A Gris, P Grosdidier, G and Grzelak, K Gumenyuk, S Gunther, M Guy, J Hahn, F and Hahn, S Hajduk, Z Hallgren, A Hamacher, K Harris, FJ and Hedberg, V Hernandez, JJ Herquet, P Herr, H Hessing, TL and Heuser, JM Higon, E Hilke, HJ Holmgren, SO Holt, PJ and Holthuizen, D Hoorelbeke, S Houlden, M Hrubec, J and Huet, K Hultqvist, K Jackson, JN Jacobsson, R Jalocha, P and Janik, R Jarlskog, C Jarlskog, G Jarry, P Jeanmarie, B Johansson, EK Jonsson, L Jonsson, P Joram, C and Juillot, P Kaiser, M Kapusta, F Karafasoulis, K and Karlsson, M Katsanevas, S Katsoufis, EC Keranen, R and Khokhlov, Y Khomenko, BA Khovanski, NN King, B Kjaer, NJ and Klapp, O Klein, H Kluit, P Knoblauch, D Kokkinias, P and Koratzinos, M Korcyl, K Kostioukhine, V Kourkoumelis, C and Kouznetsov, O Krammer, M Kreuter, C Kronkvist, L and Krumstein, Z Krupinski, W Kubinec, P Kucewicz, W and Kurvinen, K Lacasta, C Laktineh, I Lamsa, JW Lanceri, L and Lane, DW Langefeld, P Laugier, JP Lauhakangas, R and Leder, G Ledroit, F Lefebure, V Legan, CK Leisos, A and Leitner, R Lemonne, J Lenzen, G Lepeltier, V Lesiak, T and Libby, J Liko, D Lipniacka, A Lippi, I Loerstad, B and Loken, JG Lopez, JM Loukas, D Lutz, P Lyons, L and Maehlum, G Mahon, JR Maio, A Malmgren, TGM Malychev, V and Mandl, F Marco, J Marco, R Marechal, B Margoni, M and Marin, JC Mariotti, C Markou, A MartinezRivero, C and MartinezVidal, F Garcia, SMI Masik, J Matorras, F and Matteuzzi, C Matthiae, G Mazzucato, M McCubbin, M McKay, R McNulty, R Medbo, J Meroni, C Meyer, S Meyer, WT and Michelotto, M Migliore, E Mirabito, L Mitaroff, WA and Mjoernmark, U Moa, T Moeller, R Moenig, K Monge, MR and Morettini, P Mueller, H Muenich, K Mulders, M Mundim, LM and Murray, WJ Muryn, B Myatt, G Myklebust, T Naraghi, F and Navarria, FL Navas, S Nawrocki, K Negri, P Nemecek, S Neumann, W Neumeister, N Nicolaidou, R Nielsen, BS and Nieuwenhuizen, M Nikolaenko, V Nikolenko, M Niss, P and Nomerotski, A Normand, A OberschulteBeckmann, W Obraztsov, V and Olshevski, AG Onofre, A Orava, R Orazi, G Osterberg, K Ouraou, A Paganini, P Paganoni, M Pain, R Palka, H and Papadopoulou, TD Papageorgiou, K Pape, L Parkes, C and Parodi, F Passeri, A Pegoraro, M Peralta, L Pernegger, H and Pernicka, M Perrotta, A Petridou, C Petrolini, A and Phillips, HT Piana, D Pierre, F Pimenta, M Podobnik, T and Podobrin, O Pol, ME Polok, G Poropat, P Pozdniakov, V Privitera, P Pukhaeva, N Pullia, A Regler, M and Radojicic, D Ragazzi, S Rahmani, H Ratoff, PN Read, AL and Reale, M Rebecchi, P Redaelli, NG Reid, D Reinhardt, R Renton, PB Resvanis, LK Richard, F Richardson, J and Ridky, J Rinaudo, G Rohne, O Romero, A Ronchese, P and Roos, L Rosenberg, EI Roudeau, P Rovelli, T and RuhlmannKleider, V Ruiz, A Rybicki, K Saarikko, H and Sacquin, Y Sadovsky, A Sahr, O Sajot, G Salt, J and Sannino, M Schneider, H Schwickerath, U Schyns, MAE and Sciolla, G Scuri, F Seager, P Sedykh, Y Segar, AM and Seitz, A Sekulin, R Serbelloni, L Shellard, RC Siegrist, P Silvestre, R Simonetto, F Sisakian, AN Sitar, B and Skaali, TB Smadja, G Smirnov, N Smirnova, O Smith, GR and Solovianov, O Sosnowski, R SouzaSantos, D Spassov, T and Spiriti, E Sponholz, P Squarcia, S Stampfer, D Stanescu, C Stanic, S Stapnes, S Stavitski, I Stevenson, K and Stocchi, A Strauss, J Strub, R Stugu, B Szczekowski, M and Szeptycka, M Tabarelli, T Tavernet, JP Tchikilev, O and Tegenfeldt, F Terranova, F Thomas, J Tilquin, A and Timmermans, J Tkatchev, LG Todorov, T Todorova, S Toet, DZ Tomaradze, A Tome, B Tonazzo, A Tortora, L and Transtromer, G Treille, D Tristram, G Trombini, A and Troncon, C Tsirou, A Turluer, ML Tyapkin, IA Tyndel, M and Tzamarias, S Ueberschaer, B Ullaland, O Uvarov, V and Valenti, G Vallazza, E VanderVelde, C VanApeldoorn, GW and VanDam, P VanDoninck, WK VanEldik, J VanLysebetten, A and Vassilopoulos, N Vegni, G Ventura, L Venus, W Verbeure, F Verlato, M Vertogradov, LS Vilanova, D Vincent, P and Vitale, L Vlasov, E Vodopyanov, AS Vrba, V Wahlen, H and Walck, C Weilhammer, P Weiser, C Wetherell, AM Wicke, D and Wickens, JH Wielers, M Wilkinson, GR Williams, WSC and Winter, M Witek, M Wlodek, T Yi, J Yip, K and Yushchenko, O Zach, F Zaitsev, A Zalewska, A Zalewski, P and Zavrtanik, D Zevgolatakos, E Zimin, NI Zucchelli, GC and Zumerle, G
Subjects: High Energy Physics::Experiment
Abstract: A study of the channel e(+)e(-) –> mu(+)mu(-)gamma ISR, where gamma ISR is an initial state radiation photon, is presented using data collected by the DELPHI experiment from 1991 to 1994. The total cross-section at effective annihilation: energies (root s’) below the Z(0) peak is obtained by using the events with relatively hard initial state radiative photon(s) (E gamma > 1 GeV). The differential cross-section as a function of the muon polar production angle is also determined in order eo extract the forward-backward asymmetries for the reaction e(+)e(-) –> mu(+)mu(-) at energies root s’ between 20 and 87 GeV. The ratio of the helicity cross-sections sigma LL+sigma RR/sigma RL+sigma LR, where the two subscripts stand for the helicities of the incoming e(-) and outgoing mu(-) respectively, is extracted from the differential cross-sections in order to test the Standard Model and to look for new physics near 80 GeV. No deviations from the Standard Model were found.
Published: 1997

85. Search for excited leptons in e(+)e(-) collisions at root s=161 GeV

Author: Abreu, P Adam, W Adye, T Ajinenko, I Alekseev, GD and Alemany, R Allport, PP Almehed, S Amaldi, U Amato, S and Andreazza, A Andrieux, ML Antilogus, P Apel, WD Asman, B and Augustin, JE Augustinus, A Baillon, P Bambade, P and Barao, F Barate, R Barbi, M Bardin, DY Barker, G and Baroncelli, A Barring, O Barrio, JA Bartl, W Bates, MJ and Battaglia, M Baubillier, M Baudot, J Becks, KH and Begalli, M Beilliere, P Belokopytov, Y Belous, K and Benvenuti, AC Berggren, M Bertini, D Bertrand, D and Besancon, M Bianchi, F Bigi, M Bilenky, MS Billoir, P and Bizouard, MA Bloch, D Blume, M Bolognese, T and Bonesini, M Bonivento, W Booth, PSL Borisov, G Bosio, C and Botner, O Boudinov, E Bouquet, B Bourdarios, C and Bowcock, TJV Bozzo, M Branchini, P Brand, KD Brenke, T and Brenner, RA Bricman, C Brown, RCA Bruckman, P and Brunet, JM Bugge, L Buran, T Burgsmueller, T Buschmann, P Cabrera, S Caccia, M Calvi, M Rozas, AJC and Camporesi, T Canale, V Canepa, M Cankocak, K Cao, F and Carena, F Carroll, L Caso, C Gimenez, MVC Cattai, A and Cavallo, FR Chabaud, V Chapkin, M Carpentier, P and Chaussard, L Checchia, P Chelkov, GA Chen, M Chierici, R and Chliapnikov, P Chochula, P Chodoba, J Chorowicz, V and Cindro, V Collins, P Contri, R Cortina, E Cosme, G and Cossutti, F Cowell, JH Crawley, HB Crennell, D Crosetti, G Maestro, JC Czellar, S DahlJensen, E Dahm, J and Dalmagne, B Dam, M Damgaard, G Dauncey, PD Davenport, M and DaSilva, W Defoix, C Deghorain, A DellaRicca, G and Delpierre, P Demaria, N DeAngelis, A DeBoer, W and DeBrabandere, S DeClercq, C DeLaVaissiere, C DeLotto, B and DeMin, A DePaula, L DeSaintJean, C Dijkstra, H and DiCiaccio, L DiDiodato, A Djama, F Djannati, A Dolbeau, J Doroba, K Dracos, M Drees, J Drees, KA Dris, M and Durand, JD Edsall, D Ehret, R Eigen, G Ekelof, T and Ekspong, G Elsing, M Engel, JP Erzen, B Santo, ME and Falk, E Fassouliotis, D Feindt, M Ferrer, A Fichet, S and Filippas, TA Firestone, A Fischer, PA Foeth, H and Fokitis, E Fontanelli, F Formenti, F Franek, B Frenkiel, P Fries, DC Frodesen, AG Fruhwirth, R FuldaQuenzer, F and Fuster, J Galloni, A Gamba, D Gandelman, M Garcia, C and Garcia, J Gaspar, C Gasparini, U Gavillet, P Gazis, EN Gele, D Gerber, JP Gerdyukov, L Gokieli, R Golob, B Gopal, G Gorn, L Gorski, M Gouz, Y Gracco, V and Graziani, E Green, C Grefrath, A Gris, P Grosdidier, G and Grzelak, K Gumenyuk, S Gunnarsson, P Gunther, M Guy, J Hahn, F Hahn, S Hajduk, Z Hallgren, A Hamacher, K and Harris, FJ Hedberg, V Henriques, R Hernandez, JJ and Herquet, P Herr, H Hessing, TL Higon, E Hilke, HJ and Hill, TS Holmgren, SO Holt, PJ Holthuizen, D Hoorelbeke, S Houlden, M Huet, K Hultqvist, K Jackson, JN and Jacobsson, R Jalocha, P Janik, R Jarlskog, C Jarlskog, G and Jarry, P JeanMarie, B Johansson, EK Jonsson, L and Jonsson, P Joram, C Juillot, P Kaiser, M Kapusta, F and Karafasoulis, K Karlsson, M Karvelas, E Katsanevas, S and Katsoufis, EC Keranen, R Khokhlov, Y Khomenko, BA and Khovanski, NN King, B Kjaer, NJ Klapp, O Klein, H and Klovning, A Kluit, P Kokkinias, P Konopliannikov, A and Koratzinos, M Korcyl, K Kostioukhine, V Kourkoumelis, C and Kouznetsov, O Krammer, M Kreuter, C Kronkvist, I and Krumstein, Z Krupinski, W Kubinec, P Kucewicz, W and Kurvinen, K Lacasta, C Laktineh, I Lamsa, JW Lanceri, L and Lane, DW Langefeld, P Lapin, V Laugier, JP and Lauhakangas, R Leder, G Ledroit, F Lefebure, V Legan, CK and Leitner, R Lemonne, J Lenzen, G Lepeltier, V Lesiak, T Libby, J Liko, D Lindner, R Lipniacka, A Lippi, I and Loerstad, B Loken, JG Lopez, JM Loukas, D Lutz, P and Lyons, L MacNaughton, J Maehlum, G Mahon, JR Maio, A and Malmgren, TGM Malychev, V Mandl, F Marco, J Marco, R and Marechal, B Margoni, M Marin, JC Mariotti, C Markou, A MartinezRivero, C MartinezVidal, F Garcia, SMI Masik, J Matorras, F Matteuzzi, C Matthiae, G Mazzucato, M and McCubbin, M McKay, R McNulty, R Medbo, J Merk, M and Meroni, C Meyer, S Meyer, WT Michelotto, M Migliore, E and Mirabito, L Mitaroff, WA Mjoernmark, U Moa, T and Moeller, R Moenig, K Monge, MR Morettini, P Mueller, H and Muenich, K Mulders, M Mundim, LM Murray, WJ Muryn, B and Myatt, G Naraghi, F Navarria, FL Navas, S Neumann, W and Neumeister, N Nicolaidou, R Nawrocki, K Negri, P and Nielsen, BS Nieuwenhuizen, M Nikolaenko, V Niss, P and Nomerotski, A Normand, A OberschulteBeckmann, W Obraztsov, V and Olshevski, AG Onofre, A Orava, R Osterberg, K and Ouraou, A Paganini, P Paganoni, M Pages, P Pain, R and Palka, H Papadopoulou, TD Papageorgiou, K Pape, L and Parkes, C Parodi, F Passeri, A Pegoraro, M Peralta, L and Pernegger, H Pernicka, M Perrotta, A Petridou, C and Petrolini, A Phillips, HT Piana, G Pierre, F Pimenta, M and Podobnik, T Podobrin, O Pol, ME Polok, G Poropat, P and Pozdniakov, V Privitera, P Pukhaeva, N Pullia, A and Radojicic, D Ragazzi, S Rahmani, H Rames, J Ratoff, PN and Read, AL Reale, M Rebecchi, P Redaelli, NG Regler, M and Reid, D Renton, PB Resvanis, LK Richard, F and Richardson, J Ridky, J Rinaudo, G Ripp, I Romero, A and Roncagliolo, I Ronchese, P Roos, L Rosenberg, EI and Roudeau, P Rovelli, T RuhlmannKleider, V Ruiz, A and Rybicki, K Saarikko, H Sacquin, Y Sadovsky, A Sahr, O and Sajot, G Salt, J Sanchez, J Sannino, M and Schimmelpfennig, M Schneider, H Schwickerath, U Schyns, MAE and Sciolla, G Scuri, F Seager, P Sedykh, Y Segar, AM and Seitz, A Sekulin, R Serbelloni, L Shellard, RC and Siegrist, P Silvestre, R Simonetti, S Simonetto, F and Sisakian, AN Sitar, B Skaali, TB Smadja, G Smirnov, N and Smirnova, O Smith, GR Sokolov, A Sosnowski, R and SouzaSantos, D Spassov, T Spiriti, E Sponholz, P and Squarcia, S Stampfer, D Stanescu, C Stanic, S Stapnes, S and Stavitski, I Stevenson, K Stocchi, A Strauss, J and Strub, R Stugu, B Szczekowski, M Szeptycka, M Tabarelli, T Tavernet, JP Thomas, J Tilquin, A Timmermans, J and Tkatchev, LG Todorov, T Todorova, S Toet, DZ Tomaradze, A Tome, B Tonazzo, A Tortora, L Transtromer, G and Treille, D Tristram, G Trombini, A Troncon, C Tsirou, A and Turluer, ML Tyapkin, IA Tyndel, M Tzamarias, S and Ueberschaer, B Ullaland, O Valenti, G Vallazza, E and VanderVelde, C VanApeldoorn, GW VanDam, P VanDoninck, WK and VanEldik, J VanLysebetten, A Vassilopoulos, N Vegni, G and Ventura, L Venus, W Verbeure, F Verlato, M Vertogradov, LS Vilanova, D Vincent, P Vitale, L Vlasov, E and Vodopyanov, AS Vrba, V Wahlen, H Walck, C Waldner, F and Weierstall, M Weilhammer, P Weiser, C Wetherell, AM and Wicke, D Wickens, JH Wielers, M Wilkinson, GR Williams, WSC Winter, M Witek, M Wlodek, T Woschnagg, K Yip, K and Yushchenko, O Zach, F Zaitsev, A Zalewska, A and Zalewski, P Zavrtanik, D Zevgolatakos, E Zimin, MI Zito, M Zontar, D Zucchelli, GC Zumerle, G
Subjects: High Energy Physics::Phenomenology, High Energy Physics::Experiment
Abstract: A search with the DELPHI detector at LEP for excited leptons (e*, mu*, tau* and nu*) decaying through gamma, W or Z transitions is reported. The data used correspond to an integrated luminosity of 10 pb(-1) e(+)e(-) centre-of-mass energy at an e of 161 GeV. The search for pair produced excited leptons established the limits m(e)* > 79.6 GeV/c(2), m(mu)* > 79.6 GeV/c(2), m(tau)* 79.4 GeV/c(2) and m(nu)* > 56.4 GeV/c(2) at 95% confidence level, assuming that the SU(2) and U(I) couplings of excited leptons are in the same ratio as for normal leptons and considering both left and right-handed components. Limits corresponding to other assumptions are also given. The search for single excited lepton production established upper limits on the ratio lambda/m(l)* of the coupling of the excited lepton to its mass.
Published: 1997

86. Measurement of B-d(0)-(B-d(0))over-bar oscillations

Author: Abreu, P Adam, W Adye, T Adzic, P Ajinenko, I and Alekseev, GD Alemany, R Allport, PP Almehed, S Amaldi, U and Amato, S Andersson, P Andreazza, A Antilogus, P and Apel, WD Arnoud, Y Asman, B Augustin, JE Augustinus, A and Baillon, P Bambade, P Barao, F Barbi, M Bardin, DY and Barker, G Baroncelli, A Barring, O Bates, MJ and Battaglia, M Baubillier, M Baudot, J Becks, KH Begalli, M Beilliere, P Belokopytov, Y Belous, K Benvenuti, AC and Berat, C Berggren, M Bertini, D Bertrand, D and Besancon, M Bianchi, F Bigi, M Bilenky, MS Billoir, P and Bizouard, MA Bloch, D Blume, M Bonesini, M Bonvento, W Booth, PSL Borgland, AW Borisov, G Bosio, C and Botner, O Boudinov, E Bouquet, B Bourdarios, C Bowcock, TJV Bozzo, M Branchini, P Brand, KD Brenke, T and Brenner, RA Bricman, C Brown, RCA Bruckman, P Brunet, JM and Bugge, L Buran, T Burgsmueller, T Buschmann, P and Cabrera, S Caccia, M Calvi, M Rozas, AJC Camporesi, T and Canale, V Canepa, M Cao, F Carena, F Carroll, L and Caso, C Gimenez, MVC Cattai, A Cavallo, FR Chabaud, V and Charpentier, P Chaussard, L Checchia, P Chelkov, GA and Chen, M Chierici, R Chliapnikov, P Chochula, P and Chorowicz, V Cindro, V Collins, P Contri, R Cortina, E and Cosme, G Cossutti, F Cowell, JH Crawley, HB and Crennell, D Crosetti, G Maestro, JC Czellar, S Dahm, J and Dalmagne, B Dam, M Damgaard, G Dauncey, PD and Davenport, M Da Silva, W Deghorain, A Della Ricca, G and Delpierre, P Demaria, N De Angelis, A De Boer, W De Brabandere, S De Clercq, C De La Vaissiere, C De Lotto, B and De Min, A De Paula, L Dijkstra, H Di Ciaccio, L Di Diodato, A Djannati, A Dolbeau, J Doroba, K Dracos, M and Drees, J Drees, KA Dris, M Durand, JD Edsall, D and Ehret, R Eigen, G Ekelof, T Ekspong, G Elsing, M and Engel, JP Erzen, B Santo, ME Falk, E Fanourakis, G and Fassouliotis, D Feindt, M Ferrari, P Ferrer, A Fichet, S and Filippas, TA Firestone, A Fischer, PA Foeth, H and Fokitis, E Fontanelli, F Formenti, F Franek, B Frodesen, AG Fruhwirth, R Fulda-Quenzer, F Fuster, J Galloni, A and Gamba, D Gandelman, M Garcia, C Garcia, J Gaspar, C and Gasparini, U Gavillet, P Gazis, EN Gele, D Gerber, JP Gerdyukov, L Gokieli, R Golob, B Goncalves, P and Gopal, G Gorn, L Gorski, M Gouz, Y Gracco, V and Graziani, E Green, C Grefrath, A Gris, P Grosdidier, G and Grzelak, K Gumenyuk, S Gunther, M Guy, J Hahn, F and Hahn, S Hajduk, Z Hallgren, A Hamacher, K Harris, FJ and Hedberg, V Henriques, R Hernandez, JJ Herquet, P Herr, H and Hessing, TL Heuser, JM Higon, E Holmgren, SO Holt, PJ Holthuizen, D Hoorelbeke, S Houlden, M Hrubec, J and Huet, K Hultqvist, K Jackson, JN Jacobsson, R Jalocha, P and Janik, R Jarlskog, C Jarlskog, G Jarry, P and Jean-Marie, B Johansson, EK Jonsson, L Jonsson, P Joram, C Juillot, P Kaiser, M Kapusta, F Karafasoulis, K and Katsanevas, S Katsoufis, EC Keranen, R Khokhlov, Y and Khomenko, BA Khovanski, NN King, B Kjaer, NJ Klapp, O and Klein, H Kluit, P Knoblauch, D Kokkinias, P and Konopliannikov, A Koratzinos, M Korcyl, K Kostioukhine, V and Kourkoumelis, C Kouznetsov, O Krammer, M Kreuter, C and Kronkvist, I Krumstein, Z Krupinski, W Kubinec, P and Kucewicz, W Kurvinen, K Lacasta, C Laktineh, I Lamsa, JW and Lanceri, L Lane, DW Langefeld, P Laugier, JP and Lauhakangas, R Leder, G Ledroit, F Lefebure, V Legan, CK and Leisos, A Leitner, R Lemonne, J Lenzen, G Lepeltier, V Lesiak, T Libby, J Liko, D Lipniacka, A Lippi, I and Loerstad, B Loken, JG Lopez, JM Loukas, D Lutz, P and Lyons, L MacNaughton, J Maehlum, G Mahon, JR Maio, A and Malmgren, TGM Malychev, V Mandl, F Marco, J Marco, R and Marechal, B Margoni, M Marin, JC Mariotti, C Markou, A Martinez-Rivero, C Martinez-Vidal, F Garcia, SMI and Matorras, F Matteuzzi, C Matthiae, G Mazzucato, M Mc Cubbin, M Mc Kay, R Mc Nulty, R Mc Pherson, G Medbo, J and Meroni, C Meyer, S Meyer, WT Michelotto, M Migliore, E Mirabito, L Mitaroff, WA Mjoernmark, U Moa, T and Moeller, R Moenig, K Monge, MR Morettini, P Mueller, H and Muenich, K Mulders, M Mundim, LM Murray, WJ Muryn, B and Myatt, G Myklebust, T Naraghi, F Navarria, FL Navas, S Nawrocki, K Negri, P Nemecek, S Neumann, W and Neumeister, N Nicolaidou, R Nielsen, BS Nieuwenhuizen, M and Nikolaenko, V Nikolenko, M Niss, P Nomerotski, A and Normand, A Nygren, A Oberschulte-Beckmann, W Obraztsov, V and Olshevski, AG Onofre, A Orava, R Orazi, G Osterberg, K Ouraou, A Paganini, P Paganoni, M Pain, R Palka, H and Papadopoulou, TD Papageorgiou, K Pape, L Parkes, C and Parodi, F Parzefall, U Passeri, A Pegoraro, M Peralta, L and Pernegger, H Perrotta, A Petridou, C Perrolini, A and Phillips, HT Piana, G Pierreri, A Petrolini, A Pierre, F and Pimenta, M Piotto, E Podobnik, T Podobrin, O Pol, ME and Polok, G Poropat, P Pozdniakov, V Privitera, P and Pukhaeva, N Pullia, A Radojicic, D Ragazzi, S Rahmani, H and Rames, J Ratoff, PN Read, AL Reale, M Rebecchi, P and Redaelli, NG Regler, M Reid, D Reinhardt, R Renton, PB Resvanis, LK Richard, F Ridky, J Rinaudo, G and Rohne, O Romero, A Ronchese, P Roos, L Rosenberg, EI and Rosinsky, P Roudeau, P Rovelli, T Ruhlmann-Kleider, V and Ruiz, A Rybicki, K Saarikko, H Sacquin, Y Sadovsky, A and Sajot, G Salt, J Sannino, M Schneider, H and Schwickerath, U Schyns, MAE Sciolla, G Scuri, F Seager, P Sedykh, Y Segar, AM Seitz, A Sekulin, R and Serbelloni, L Shellard, RC Sheridan, A Siccama, I and Siegrist, P Silvestre, R Simonetto, F Sisakian, AN and Skaali, TB Smadja, G Smirnov, N Smirnova, O Smith, GR and Solovianov, O Sosnowski, R Souza-Santos, D Spassov, T and Spiriti, E Sponholz, P Squarcia, S Stampfer, D and Stanescu, C Stanic, S Stapnes, S Stavitski, I Stevenson, K Stocchi, A Strauss, J Strub, R Stugu, B and Szczekowski, M Szeptycka, M Tabarelli, T Tavernet, JP and Tcherniaev, E Tchikilev, O Tegenfeldt, F Terranova, F and Thomas, J Tilquin, A Timmermans, J Tkatchev, LG Todorov, T Todorova, S Toet, DZ Tomaradze, A Tome, B Tonazzo, A Tortora, L Transtromer, G Treille, D Tristram, G and Trombini, A Troncon, C Tsirou, A Turluer, ML Tyapkin, IA and Tyndel, M Tzamarias, S Ueberschaer, B Ullaland, O and Uvarov, V Valenti, G Vallazza, E Vander Velde, C Van Apeldoorn, GW Van Dam, P Van Doninck, WK Van Eldik, J and Van Lysebetten, A Vassilopoulos, N Vegni, G Ventura, L and Venus, W Verbeure, F Verlato, M Vertogradov, LS and Vilanova, D Vincent, P Vitale, L Vodopyanov, AS Vrba, V and Wahlen, H Walck, C Waldner, F Weiser, C Wetherell, AM Wicke, D Wickens, JH Wielers, M Wilkinson, GR and Williams, WSC Winter, M Witek, M Wlodek, T Yi, J and Yip, K Yushchenko, O Zach, F Zaitsev, A Zalewska, A and Zalewski, P Zavrtanik, D Zevgolatakos, E Zimin, NJ and Zucchelli, GC Zumerle, G
Abstract: B-d(0) meson oscillations are measured in hadronic Z(0) decays using the charge of a lepton or the mean charge of an event hemisphere to sign the presence of a b or a (b) over bar quark when it is produced, and using the charge of a lepton emitted at large p(t) or of a D*(+/-) to sign the presence of a B or a (B) over bar meson when it decays. With 3.2 million hadronic Z(0) decays registered by DELPHI between 1991 and 1994, the mass difference Delta m(d) between the two physical B-d(0) states is measured in four channels: Delta m(d) = 0.523 +/- 0.072 +/- 0.043 ps(-1) (D*(+/-) - Q(hem)) Delta m(d) = 0.493 +/- 0.042 +/- 0.027 ps(-1) (l - Q(hem)) Delta m(d) = 0.499 +/- 0.053 +/- 0.015 ps(-1) ((pi* - l) - Q(hem) Delta m(d) = 0.480 +/- 0.040 +/- 0.051 ps(-1) (l - l). Taking into account the statistical overlap between these measurements and the common systematic uncertainties, the combined result is: Delta m(d) = 0.497 +/- 0.035 ps(-1).
Published: 1997

87. Measurement of the transverse spin correlation in Z->tau(+)tau(-) decays

Author: Abreu, P Adam, W Adye, T Ajinenko, I Alekseev, GD and Alemany, R Allport, PP Almehed, S Amaldi, U Amato, S and Andersson, P Andreazza, A Antilogus, P Apel, WD Asman, B and Augustin, JE Augustinus, A Baillon, P Bambade, P and Barao, F Barbi, M Bardin, DY Barker, G Baroncelli, A and Barring, O Bates, MJ Battaglia, M Baubillier, M Baudot, J Becks, KH Begalli, M Beilliere, P Belokopytov, Y and Belous, K Benvenuti, AC Berggren, M Bertini, D Bertrand, D Besancon, M Bianchi, F Bigi, M Bilenky, MS and Billoir, P Bizouard, MA Bloch, D Blume, M Bonesini, M and Bonivento, W Booth, PSL Borgland, AW Borisov, G and Bosio, C Botner, O Boudinov, E Bouquet, B Bourdarios, C and Bowcock, TJV Bozovic, I Bozzo, M Branchini, P Brand, KD Brenke, T Brenner, RA Bricman, C Brown, RCA and Bruckman, P Brunet, JM Bugge, L Buran, T Burgsmueller, T and Buschmann, P Cabrera, S Caccia, M Calvi, M Rozas, AJC Camporesi, T Canale, V Canepa, M Cao, F Carena, F Carroll, L Caso, C Gimenez, MVC Cattai, A Cavallo, FR Chabaud, V Charpentier, P Chaussard, L Checchia, P and Chelkov, GA Chen, M Chierici, R Chliapnikov, P and Chochula, P Chorowicz, V Cindro, V Collins, P Contri, R and Cortina, E Cosme, G Cossutti, F Cowell, JH Crawley, HB Crennell, D Crosetti, G Maestro, JC Czellar, S and Dahm, J Dalmagne, B Dam, M Damgaard, G Dauncey, PD and Davenport, M DaSilva, W Deghorain, A DellaRicca, G and Delpierre, P Demaria, N DeAngelis, A DeBoer, W and DeBrabandere, S DeClercq, C DelaVaissiere, C DeLotto, B and DeMin, A DePaula, L Dijkstra, H DiCiaccio, L DiDiodato, A Djannati, A Dolbeau, J Doroba, K Dracos, M Drees, J Drees, KA Dris, M Durand, JD Edsall, D Ehret, R and Eigen, G Ekelof, T Ekspong, G Elsing, M Engel, JP and Erzen, B Santo, ME Falk, ME Falk, E Fanourakis, G and Fassouliotis, D Feindt, M Ferrari, P Ferrer, A and Fichet, S Filippas, TA Firestone, A Fischer, PA Foeth, H and Fokitis, E Fontanelli, F Formenti, F Franek, B and Frodesen, AG Fruhwirth, R FuldaQuenzer, F Fuster, J and Galloni, A Gamba, D Gandelman, M Garcia, C Garcia, J and Gaspar, C Gasparini, U Gavillet, P Gazis, EN Gele, D and Gerber, JP Gokieli, R Golob, B Goncalves, P Gopal, G and Gorn, L Gorski, M Gouz, Y Gracco, V Graziani, E and Green, C Grefrath, A Gris, P Grosdidier, G Grzelak, K and Gumenyuk, S Gunther, M Guy, J Hahn, F Hahn, S and Hajduk, Z Hallgren, A Hamacher, K Harris, FJ Hedberg, V and Henriques, R Hernandez, JJ Herquet, P Herr, H and Hessing, TL Heuser, JM Higon, E Hilke, HJ Holmgren, SO and Holt, PJ Holthuizen, D Hoorelbeke, S Houlden, M and Hrubec, J Huet, K Hultqvist, K Jackson, JN Jacobsson, R and Jalocha, P Janik, R Jarlskog, C Jarlskog, G Jarry, P and JeanMarie, B Johansson, EK Jonsson, L Jonsson, P and Joram, C Juillot, P Kaiser, M Kapusta, F Karafasoulis, K and Karlsson, M Katsanevas, S Katsoufis, EC Keranen, R and Khokhlov, Y Khomenko, BA Khovanski, NN King, B Kjaer, NJ and Klapp, O Klein, H Kluit, P Knoblauch, D Koene, B and Kokkinias, P Konopliannikov, A Koratzinos, M Korcyl, K and Kostioukhine, V Kourkoumelis, C Kouznetsov, O Krammer, M and Kreuter, C Kronkvist, I Krumstein, Z Krupinski, W and Kubinec, P Kucewicz, W Kurvinen, K Lacasta, C Laktineh, I Lamsa, JW Lanceri, L Lane, DW Langefeld, P and Laugier, JP Lauhakangas, R Leder, G Ledroit, F Lefebure, V Legan, CK Leisos, A Leitner, R Lemonne, J Lenzen, G Lepeltier, V Lesiak, T Libby, J Liko, D Lindner, R and Lipniacka, A Lippi, I Loerstad, B Loken, JG Lopez, JM Loukas, D Lutz, P Lyons, L MacNaughton, J and Maehlum, G Mahon, JR Maio, A Malmgren, TGM Malychev, V and Mandl, F Marco, J Marco, R Marechal, B Margoni, M and Marin, JC Mariotti, C Markou, A MartinezRivero, C and MartinezVidal, F Garcia, SMI Matorras, F Matteuzzi, C and Matthiae, G Mazzucato, M McCubbin, M McKay, R McNulty, R and Medbo, J Merk, M Meroni, C Meyer, S Meyer, WT and Miagkov, A Michelotto, M Migliore, E Mirabito, L and Mitaroff, WA Mjoernmark, U Moa, T Moeller, R Moenig, K and Monge, MR Morettini, P Mueller, H Muenich, K and Mulders, M Mundim, LM Murray, WJ Muryn, B Myatt, G and Naraghi, F Navarria, FL Navas, S Nawrocki, K Negri, P and Nemecek, S Neumann, W Neumeister, N Nicolaidou, R and Nielsen, BS Nieuwenhuizen, M Nikolaenko, V Nikolenko, M and Niss, P Nomerotski, A Normand, A Novak, M and OberschulteBeckmann, W Obraztsov, V Olshevski, AG Onofre, A and Orava, R Orazi, G Osterberg, K Ouraou, A Paganini, P and Paganoni, M Pages, P Pain, R Palka, H Papadopoulou, TD Papageorgiou, K Pape, L Parkes, C Parodi, F and Passeri, A Pegoraro, M Peralta, L Pernegger, H Pernicka, M Perrotta, A Petridou, C Petrolini, A Phillips, HT and Piana, G Pierre, F Pimenta, M Podobnik, T Podobrin, O and Pol, ME Polok, G Poropat, P Pozdniakov, V Privitera, P Pukhaeva, N Pullia, A Radojicic, D Ragazzi, S and Rahmani, H Rames, J Ratoff, PN Read, AL Reale, M and Rebecchi, P Redaelli, NG Reid, D Reinhardt, R Renton, PB and Resvanis, LK Richard, F Richardson, J Ridky, J and Rinaudo, G Romero, A Roncagliolo, I Ronchese, P Roos, L and Rosenberg, EI Roudeau, P Rovelli, T Ruckstuhl, W and RuhlmannKleider, V Ruiz, A Rybicki, K Saarikko, H and Sacquin, Y Sadovsky, A Sahr, O Sajot, G Salt, J and Sannino, M Schneider, H Schwickerath, U Schyns, MAE and Sciolla, G Scuri, F Seager, P Sedykh, Y Segar, AM and Seitz, A Sekulin, R Serbelloni, L Shellard, RC Siegrist, P Silvestre, R Simonetto, F Sisakian, AN Sitar, B and Skaali, TB Smadja, G Smirnov, N Smirnova, O Smith, GR and Sokolov, A Solovianov, O Sosnowski, R SouzaSantos, D and Spassov, T Spiriti, E Sponholz, P Squarcia, S Stampfer, D Stanescu, C Stanic, S Stapnes, S Stavitski, I and Stevenson, K Stocchi, A Strauss, J Strub, R Stugu, B and Szczekowski, M Szeptycka, M Tabarelli, T Tavernet, JP and Tchikilev, O Tegenfeldt, E Terranova, F Thomas, J and Tilquin, A Timmermans, J Tkatchev, LG Todorov, T and Todorova, S Toet, DZ Tomaradze, A Tome, B Tonazzo, A and Tortora, L Transtromer, G Treille, D Tristram, G and Trombini, A Troncon, C Tsirou, A Turluer, ML Tyapkin, IA and Tyndel, M Tzamarias, S Ueberschaer, B Ullaland, O and Uvarov, V Valenti, G Vallazza, E VanderVelde, C and VanApeldoorn, GW VanDam, P VanDoninck, WK VanEldik, J and VanLysebetten, A Vassilopoulos, N Vegni, G Ventura, L and Venus, W Verbeure, F Verlato, M Vertogradov, LS and Vilanova, D Vincent, P Vitale, L Vodopyanov, AS Vrba, V and Wahlen, H Walck, C Waldner, F Weilhammer, P Weiser, C Wetherell, AM Wicke, D Wickens, JH Wielers, M and Wilkinson, GR Williams, WSC Winter, M Witek, M Wlodek, T and Yi, J Yip, K Yushchenko, O Zach, F Zaitsev, A and Zalewska, A Zalewski, P Zavrtanik, D Zevgolatakos, E and Zimin, NI Zontar, D Zucchelli, GC Zumerle, G
Subjects: High Energy Physics::Experiment, Astrophysics::Earth and Planetary Astrophysics
Abstract: The measurement of the correlation between the transverse spin components of tau(+)tau(-) pairs collected during 1992 to 1994 with the DELPHI detector at LEP1 is presented. A value C-TT = 0.87 +/- 0.20 (stat.)(-0.12)(+0.10) (syst.) was obtained for the correlation parameter, in agreement with the Standard Model expectation. (C) 1997 Published by Elsevier Science B.V.
Published: 1997

88. Search for pair production of heavy objects in 4-jet events at root s=130-136 GeV

Author: Adam, W Adye, T Agasi, E Ajinenko, I Alekseev, GD and Alemany, R Allport, PP Almehed, S Amaldi, U Amato, S and Andreazza, A Andrieux, ML Antilogus, P Apel, WD Asman, B and Augustin, JE Augustinus, A Baillon, P Bambade, P and Barao, F Barate, R Barbi, M Barbiellini, G Bardin, DY and Baroncelli, A Baring, O Barrio, JA Bartl, W Bates, MJ Battaglia, M Baubillier, M Baudot, J Becks, KH and Begalli, M Beilliere, P Belokopytov, Y Belous, K and Benvenuti, AC Berggren, M Bertini, D Bertrand, D and Besancon, M Bianchi, F Bigi, M Bilenky, MS Billoir, P and Bloch, D Blume, M Bolognese, T Bonesini, M and Bonivento, W Booth, PSL Borisov, G Bosio, C Botner, O and Boudinov, E Bouquet, B Bourdarios, C Bowcock, TJV and Bozzo, M Branchini, P Brand, KD Brenke, T Brenner, RA and Bricman, C Brown, RCA Bruckman, P Brunet, JM Bugge, L Buran, T Burgsmueller, T Buschmann, P Buys, A and Cabrera, S Caccia, M Calvi, M Rozas, AJC Camporesi, T and Canale, V Canepa, M Cankocak, K Cao, F Carena, F and Carroll, L Caso, C Gimenez, MVC Cattai, A Cavallo, FR and Chabaud, V Charpentier, P Chaussard, L Checchia, P and Chelkov, GA Chen, M Chierici, R Chliapnikov, P Chochula, P Chorowicz, V Chudoba, J Cindro, V Collins, P and Contreras, JL Contri, R Cortina, E Cosme, G Cossutti, F and Cowell, JH Crawley, HB Crennell, D Crosetti, G and Maestro, JC Czellar, S DahlJensen, E Dahm, J Dalmagne, B and Dam, M Damgaard, G Dauncey, PD Davenport, M DaSilva, W Defoix, C DEghorain, A DellaRicca, G Delpierre, P and Demaria, N DeAngelis, A DeBoer, W DeBrabandere, S and DeClercq, C DeLaVaissiere, C DeLotto, B DeMin, A and DePaula, L DeSaintJean, C Dijkstra, H DiCiaccio, L and DiDiodato, A Djama, F Dolbeau, J Donszelmann, M Doroba, K Dracos, M Drees, J Drees, KA Dris, M Durand, JD and Edsall, D Ehret, R Eigen, G Ekelof, T Ekspong, G and Elsing, M Engel, JP Erzen, B Santo, ME Falk, E and Fassouliotis, D Feindt, M Ferrer, A Fichet, S Filippas, TA Firestone, A Fischer, PA Foeth, H Fokitis, E and Fontanelli, F Formenti, F Franek, B Frenkiel, P Fries, DC Frodesen, AG FuldaQuenzer, F Fuster, J Galloni, A and Gamba, D Gandelman, M Garcia, C Garcia, J Gaspar, C and Gasparini, U Gavillet, P Gazis, EN Gele, D Gerber, JP and Gokieli, R Golob, B Gopal, G Gorn, L Gorski, M and Gouz, Y Gracco, V Graziani, E Green, C Grefrath, A and Gris, P Grosdidier, G Grzelak, K Gumenyuk, S Gunnarsson, P Gunther, M Guy, J Hahn, F Hahn, S Hajduk, Z and Hallgren, A Hamacher, K Hao, W Harris, FJ Hedberg, V and Henriques, R Hernandez, JJ Herquet, P Herr, H Hessing, TL Higon, E Hilke, HJ Hill, TS Holmgren, SO Holt, PJ and Holthuizen, D Hoorelbeke, S Houlden, M Hrubec, J and Huet, K Hultqvist, K Jackson, JN Jacobsson, R Jalocha, P and Janik, R Jarlskog, C Jarlskog, G Jarry, P JeanMarie, B Johnsson, EK Jonsson, L Jonsson, P Joram, C and Juillot, P Kaiser, M Kapusta, F Karafasoulis, K and Karlsson, M Karvelas, E Katsanevas, S Katsoufis, EC and Keranen, R Khokhlov, Y Khomenko, BA Khovanski, NN King, B Kjaer, NJ Klapp, O Klein, H Klovning, A Kluit, P and Koene, B Kokkinias, P Koratzinos, M Korcyl, K and Kostioukhine, V Kourkoumelis, C Kouznetsov, O Krammer, M and Kreuter, C Kronkvist, I Krumstein, Z Krupinski, W and Kubinec, P Kucewicz, W Kurvinen, K Lacasta, C Laktineh, I Lamsa, JW Lanceri, L Lane, DW Langefeld, P Lapin, V Laugier, JP Lauhakangas, R Leder, G Ledroit, F and Lefebure, V Legan, CK Leitner, R Lemonne, J Lenzen, G and Lepeltier, V Lesiak, T Libby, J Liko, D Lindner, R and Lipniacka, A Lippi, I Loerstad, B Loken, JG Lopez, JM Loukas, D Lutz, P Lyons, L MacNaughton, J and Maehlum, G Mahon, JR Maio, A Malmgren, TGM Malychev, V and Mandi, F Marco, R Marechal, B Margoni, M Marin, JC and Mariotti, C Markou, A MartinezRivero, C MartinezVidal, F and Garcia, SMI Masik, J Matorras, F Matteuzzi, C and Matthiae, G Mazzucato, M McCubbin, M McKay, R Nulty, RM and Medbo, J Merk, M Meroni, C Meyer, S Meyer, WT and Miagkov, A Michelotto, M Migliore, E Mirabito, L and Mitaroff, WA Mjoernmark, U Moa, T Moeller, R Moenig, K and Monge, MR Morettini, P Mueller, H Muenich, K Mundim, LM Murray, WJ Muryn, B Myatt, G Naraghi, F Navarria, FL Navas, S Nawrocki, K Negri, P Nemecek, S Neumann, W Neumeister, N Nicolaidou, R Nielsen, BS Niewenhuizen, M Nikolaenko, V Niss, P Nomerotski, A Normand, A and OberschulteBeckmann, W Obraztsov, V Olshevski, AG Onofre, A and Orava, R Osterberg, K Ouraou, A Paganini, P and Paganoni, M Pages, P Pain, R Palka, H Papadopoulou, TD and Papageorgiou, K Pape, L Parkes, C Parodi, F Passeri, A Pegoraro, M Peralta, L Pernegger, H Pernicka, M and Perrotta, A Petridou, C Petrolini, A Petrovyck, M and Phillips, HT Piana, G Pierre, F Pimenta, M Plaszczynski, S Podobrin, O Pol, ME Polok, G Poropat, P and Pozdniakov, V Privitera, P Pukhaeva, N Pullia, A and Radojicic, D Ragazzi, S Rahmani, H Ratoff, PN Read, AL and Reale, M Rebecchi, P Redaelli, NG Regler, M Reid, D and Renton, PB Resvanis, LK Richard, F Richardson, J and Ridky, J Rinaudo, G Ripp, I Romero, A Roncagliolo, I and Ronchese, P Roos, L Rosenberg, EJ Rosso, E Roudeau, P and Rovelli, T Ruckstuhl, W RuhlmannKleider, V Ruiz, A and Rybicki, K Saarikko, H Sacquin, Y Sadovsky, A Sahr, O and Sajot, G Salt, J Sanchez, J Sannino, M and Schimmelpfennig, M Schneider, H Schwickerath, U Schyns, MAE and Sciolla, G Scuri, F Seager, P Sedykh, Y Segar, AM and Seitz, A Sekulin, R Serbelloni, L Shellard, RC and Siccama, I Siegrist, P Silvestro, R Simonetti, S and Simonetto, F Sisakian, AN Sitar, B Skaali, TB Smadja, G and Smirnov, N Smirnova, O Smith, GR Sokolov, A and Sosnowski, R SouzaSantos, D Spassov, T Spiriti, E and Sponholz, P Squarcia, S Stanescu, C Stapnes, S and Stavitski, I Stevenson, K Stichelbaut, F Stocchi, A and Strauss, J Strub, R Stugu, B Szczekowski, M Szeptycka, M and Tabarelli, T Tavernet, JP Tchikilev, O Thomas, J and Tilquin, A Timmermans, J Tkatchev, LG Todorov, T and Todorova, S Toet, DZ Tomaradze, A Tome, B Tonazzo, A and Tortora, L Transtromer, G Treille, D Trischuk, W and Tristram, G Trombini, A Troncon, C Tsirou, A Turluer, ML and Tyapkin, IA Tyndel, M Tzamarias, S Ueberschaer, B and Ullaland, O Uvarov, V Valenti, G Vallazza, E and VanApeldoorn, GW VanDam, P VanDoninck, WK VanEldik, J and Vassilopoulos, N Vegni, G Ventura, L Venus, W Verbeure, F Verlato, M Vertogradov, LS Vilanova, D Vincent, P and Vitale, L Vlasov, E Vodopyanov, AS Vrba, V Wahlen, H and Walck, C Weierstall, M Weilhammer, P Weiser, C and Wetherell, AM Wicke, D Wickens, JH Wielers, M Wilkinson, GR Williams, WSC Winter, M Witek, M Woschnagg, K and Yip, K Yushchenko, O Zach, F Zaitsev, A Zalewska, A and Zalewski, P Zavrtanik, D Zevgolatakos, E Zimin, ZI Zito, M Zontar, D Zucchelli, GC Zumerle, G
Subjects: High Energy Physics::Experiment
Abstract: Results are presented of a search for pair production of heavy objects decaying into four hadronic jets, as expected for example from associated or pair production of MSSM Higgs bosons, hA or H+H-, using a data sample of 5.9 pb(-1) of e(+)e(-) collisions at root s = 130-136 GeV collected with the DELPHI detector at LEP in November 1995. The data and expectations from standard processes agree after four-jet selections. An analysis based on b-tagging finds no hA candidate with high mass. A study optimized to search for H+H- events with mass in the 40-50 GeV/c(2) range also finds no candidate, Finally a comparison is made with a recent ALEPH analysis which found an excess of four-jet events with high multiplicity and high mass. Such a signal is not observed in the DELPHI data, although a slight excess in the mass region around 105 GeV/c(2) is seen.
Published: 1996

89. An upper limit for Br(Z(0)->ggg) from symmetric 3-jet Z(0) hadronic decays

Author: Abreu, P Adam, W Adye, T Ajinenko, I Alekseev, GD and Alemany, R Allport, PP Almehed, S Amaldi, U Amato, S and Andreazza, A Andrieux, ML Antilogus, P Apel, WD Asman, B and Augustin, JE Augustinus, A Baillon, P Bambade, P and Barao, F Barate, R Barbi, M Bardin, DY Baroncelli, A and Barring, O Barrio, JA Bartl, W Bates, MJ Battaglia, M and Baubillier, M Baudot, J Becks, KH Begalli, M and Beilliere, P Belokopytov, Y Belous, K Benvenuti, AC and Berggren, M Bertini, D Bertrand, D Besancon, M Bianchi, F Bigi, M Bilenky, MS Billoir, P Bizouard, MA Bloch, D Blume, M Bolognese, T Bonesini, M Bonivento, W and Booth, PSL Bosio, C Botner, O Boudinov, E Bouquet, B and Bourdarios, C Bowcock, TJV Bozzo, M Branchini, P Brand, KD Brenke, T Brenner, RA Bricman, C Brown, RCA and Bruckman, P Brunet, JM Bugge, L Buran, T Burgsmueller, T and Buschmann, P Buys, A Cabrera, S Caccia, M Calvi, M and Rozas, AJC Camporesi, T Canale, V Canepa, M and Cankocak, K Cao, F Carena, F Carroll, L Caso, C and Gimenez, MVC Cattai, A Cavallo, FR Chabaud, V and Charpentier, P Chaussard, L Checchia, P Chelkov, GA and Chen, M Chierici, R Chliapnikov, P Chochula, P and Chorowicz, V Chudoba, J Cindro, V Collins, P Contri, R and Cortina, E Cosme, G Cossutti, F Cowell, JH Crawley, HB Crennell, D Crosetti, G Maestro, JC Czellar, S and DahlJensen, E Dahm, J Dalmagne, B Dam, M Damgaard, G and Dauncey, PD Davenport, M DaSilva, W Defoix, C Deghorain, A DellaRicca, G Delpierre, P Demaria, N DeAngelis, A and DeBoer, W DeBrabandere, S DeClerq, C DelaVaissiere, C and DeLotto, B DeMin, A DePaula, L DeSaintJean, C Dijkstra, H DiCiaccio, L DiDiodato, A Djama, F Dolbeau, J and Donszelmann, M Doroba, K Dracos, M Drees, J Drees, KA and Dris, M Durand, JD Edsall, D Ehret, R Eigen, G and Ekelof, T Ekspong, G Elsing, M Engel, JP Erzen, B and Santo, ME Falk, E Fassouliotis, D Feindt, M Fenyuk, A and Ferrer, A Fichet, S Filippas, TA Firestone, A and Fischer, PA Foeth, H Fokitis, E Fontanelli, F Formenti, F Franek, B Frenkiel, P Fries, DC Frodesen, AG and FuldaQuenzer, F Fuster, J Galloni, A Gamba, D Gandelman, M Garcia, C Garcia, J Gaspar, C Gasparini, U and Gavillet, P Gazis, EN Gele, D Gerber, JP Gerdyukov, L and Gokieli, R Golob, B Gopal, G Gorn, L Gorski, M and Gouz, Y Gracco, V Graziani, E Green, C Grefrath, A and Gris, P Grosdidier, G Grzelak, K Gumenyuk, S Gunnarsson, P Gunther, M Guy, J Hahn, F Hahn, S Hajduk, Z and Hallgren, A Hamacher, K Harris, FJ Hedberg, V Henriques, R Hernandez, JJ Herquet, P Herr, H Hessing, TL and Higon, E Hilke, HJ Hill, TS Holmgren, SO Holt, PJ and Holthuizen, D Hoorelbeke, S Houlden, M Hrubec, J Huet, K and Hultqvist, K Jackson, JN Jacobsson, R Jalocha, P and Janik, R Jarlskog, C Jarlskog, G Jarry, P JeanMarie, B and Johansson, EK Jonsson, L Jonsson, P Joram, C and Juillot, P Kaiser, M Kapusta, F Karafasoulis, K and Karlsson, M Karvelas, E Katsanevas, S Katsoufis, EC and Keranen, R Khokhlov, Y Khomenko, BA Khovanski, NN King, B Kjaer, NJ Klapp, O Klein, H Klovning, A Kluit, P and Koene, B Kokkinias, P Koratzinos, M Korcyl, K and Kostioukhine, V Kourkoumelis, C Kouznetsov, O Krammer, M and Kreuter, C Kronkvist, I Krumstein, Z Krupinski, W and Kubinec, P Kucewicz, W Kurvinen, K Lacasta, C Laktineh, I Lamsa, JW Lanceri, L Lane, DW Langefeld, P Lapin, V Laugier, JP Lauhakangas, R Leder, G Ledroit, F and Lefebure, V Legan, CK Leitner, R Lemonne, J Lenzen, G and Lepeltier, V Lesiak, T Libby, J Liko, D Lindner, R and Lipniacka, A Lippi, I Loerstad, B Loken, JG Lopez, JM Loukas, D Lutz, P Lyons, L MacNaughton, J and Maehlum, G Mahon, JR Malmgren, TGM Malychev, V Mandl, F and Marco, J Marco, R Marechal, B Margoni, M Marin, JC and Mariotti, C Markou, A MartinezRivero, C MartinezVidal, F and Garcia, SMI Masik, J Matorras, F Matteuzzi, C and Matthiae, G Mazzucato, M McCubbin, M McKay, R McNulty, R and Medbo, J Merk, M Meroni, C Meyer, S Meyer, WT and Michelotto, M Migliore, E Mirabito, L Mitaroff, WA and Mjoernmark, U Moa, T Moeller, R Moenig, K Monge, MR and Morettini, P Mueller, H Muenich, K Mulders, M Mundim, LM and Murray, WJ Muryn, B Myatt, G Naraghi, F Navarria, FL and Navas, S Nawrocki, K Negri, P Neumann, W Neumeister, N Nicolaidou, R Nielsen, BS Nieuwenhuizen, M Nikolaenko, V Niss, P Nomerotski, A Normand, A Novak, M and OberschulteBeckmann, W Obraztsov, V Olshevski, AG Onofre, A and Orava, R Osterberg, K Ouraou, A Paganini, P and Paganoni, M Pages, P Pain, R Palka, H Papadopoulou, TD and Papageorgiou, K Pape, L Parkes, C Parodi, F Passeri, A Pegoraro, M Peralta, L Pernegger, H Pernicka, M and Perrotta, A Petridou, C Petrolini, A Petrovyck, M and Phillips, HT Piana, G Pierre, F Pimenta, M Podobrin, O and Pol, ME Polok, G Poropat, P Pozdniakov, V Privitera, P Pukhaeva, N Pullia, A Radojicic, D Ragazzi, S and Rahmani, H Rames, J Ratoff, PN Read, AL Reale, M and Rebecchi, P Redaelli, NG Regler, M Reid, D Renton, PB and Resvanis, LK Richard, F Richardson, J Ridky, J and Rinaudo, G Ripp, I Romero, A Roncagliolo, I Ronchese, P and Roos, L Rosenberg, EI Rosso, E Roudeau, P Rovelli, T and Ruckstuhl, W RuhlmannKleider, V Ruiz, A Rybicki, K and Saarikko, H Sacquin, Y Sadovsky, A Sahr, O Sajot, G and Salt, J Sanchez, J Sannino, M Schimmelpfennig, M and Schneider, H Schwickerath, U Schyns, MAE Sciolla, G and Scuri, F Seager, P Sedykh, Y Segar, AM Seitz, A and Sekulin, R Serbelloni, L Shellard, RC Siegrist, P and Silvestre, R Simonetti, S Simonetto, F Sisakian, AN and Sitar, B Skaali, TB Smadja, G Smirnova, O Smith, GR and Sokolov, A Sosnowski, R SouzaSantos, D Spassov, T and Spiriti, E Sponholz, P Squarcia, S Stanescu, C Stapnes, S Stavitski, I Stevenson, K Stichelbaut, F Stocchi, A and Strauss, J Strub, R Stugu, B Szczekowski, M and Szeptycka, M Tabarelli, T Tavernet, JP Tchikilev, O and Thomas, J Tilquin, A Timmermans, J Tkatchev, LG Todorov, T Todorova, S Toet, DZ Tomaradze, A Tome, B Tonazzo, A Tortora, L Transtromer, G Treille, D Trischuk, W and Tristram, G Trombini, A Troncon, C Tsirou, A Turluer, ML and Tyapkin, IA Tyndel, M Tzamarias, S Ueberschaer, B and Ullaland, O Uvarov, V Valenti, G Vallazza, E and VanApeldoorn, GW VanDam, P VanEldik, J VanLysebetten, A and Vassilopoulos, N Vegni, G Ventura, L Venus, W Verbeure, F Verlato, M Vertogradov, LS Vilanova, D Vincent, P and Vitale, L Vlasov, E Vodopyanov, AS Vrba, V Wahlen, H and Walck, C Waldner, F Weierstall, M Weilhammer, P Weiser, C Wetherell, AM Wicke, D Wickens, JH Wielers, M and Wilkinson, GR Williams, WSC Winter, M Witek, M Wlodek, T and Woschnagg, K Yip, K Yushchenko, O Zach, F Zaitsev, A and Zalewska, A Zalewski, P Zavrtanik, D Zevgolatakos, E and Zimin, NI Zito, M Zontar, D Zucchelli, GC Zumerle, G
Abstract: An upper limit for BR(Z(0) –> 3g) is obtained from a correlation method, which distinguishes statistically between quark and gluon jets by using the difference in their charged particle multiplicity distributions. From the sample of threefold symmetric three-jet events collected by the DELPHI experiment at LEP during 1991-1994, the 95% confidence level upper limit is deduced to be: BR(Z(0) –> 3g) less than or equal to 1.6 x 10(-2) for the JADE and BR(Z(0) –> 3g) less than or equal to 1.5 x 10(-2) for the DURHAM jet-finder.
Published: 1996

90. Search for high mass gamma gamma resonances in e(+)e(-)->l(+)l(-)gamma gamma, nu(nu)over-bar-gamma gamma and q(q)over-bar-gamma gamma at LEP I

Author: Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, R, Alekseev, Gd, Alemany, R, Allport, Pp, Almehed, S, Amaldi, U, Amato, S, Andreazza, A, Andrieux, Ml, Antilogus, P, Apel, Wd, Arnoud, Y, Asman, B, Augustin, Je, Augustinus, A, Baillon, P, Bambade, P, Barao, F, Barate, R, Barbi, M, Bardin, Dy, Baroncelli, A, Barring, O, Barrio, Ja, Bartl, W, Bates, Mj, Battaglia, M, Baubillier, M, Baudot, J, Becks, Kh, Begalli, M, Beilliere, P, Belokopytov, Y, Benvenuti, Ac, Berggren, M, Bertini, D, Bertrand, D, Bianchi, F, Bigi, M, Bilenky, Ms, Billoir, P, Bloch, D, Blume, M, Bolognese, T, Bonesini, M, Bonivento, W, Booth, Psl, Borisov, G, Bosio, C, Botner, O, Boudinov, E, Bouquet, B, Bourdarios, C, Bowcock, Tjv, Bozzo, M, Branchini, P, Brand, Kd, Brenke, T, Brenner, Ra, Bricman, C, Brown, Rca, Bruckman, P, Brunet, Jm, Bugge, L, Buran, T, Burgsmueller, T, Buschmann, P, Buys, A, Cabrera, S, Caccia, M, Calvi, M, Rozas, Ajc, Camporesi, T, Canale, V, Canepa, M, Cankocak, K, Cao, F, Carena, F, Carroll, L, Caso, C, Gimenez, Mvc, Cattai, A, Cavallo, Fr, Chabaud, V, Charpentier, P, Chaussard, L, Checchia, P, Chelkov, Ga, Chen, M, Chierici, R, Chliapnikov, P, Chochula, P, Chorowicz, V, Chudoba, J, Cindro, V, Collins, P, Contreras, Jl, Contri, R, Cortina, E, Cosme, G, Cossutti, F, Crawley, Hb, Crennell, D, Crosetti, G, Maestro, Jc, Czellar, S, Dahljensen, E, Dahm, J, Dalmagne, B, Dam, M, Damgaard, G, Dauncey, Pd, Davenport, M, Dasilva, W, Defoix, C, Deghorain, A, Dellaricca, G, Delpierre, P, Demaria, N, Angelis, A, Deboer, W, Debrabandere, S, Declercq, C, Delavaissiere, C, DE LOTTO, Barbara, Demin, A, Depaula, L, Saintjean, Cd, Dijkstra, H, Diciaccio, L, Djama, F, Dolbeau, J, Donszelmann, M, Doroba, K, Dracos, M, Drees, J, Drees, Ka, Dris, M, Durand, Jd, Edsall, D, Ehret, R, Eigen, G, Ekelof, T, Ekspong, G, Elsing, M, Engel, Jp, Erzen, B, Santo, Me, Falk, E, Fassouliotis, D, Feindt, M, Fenyuk, A, Ferrer, A, Fichet, S, Filippas, Ta, Firestone, A, Fischer, Pa, Foeth, H, Fokitis, E, Fontanelli, F, Formenti, F, Franek, B, Frenkiel, P, Fries, Dc, Frodesen, Ag, Fruhwirth, R, Fuldaquenzer, F, Fuster, J, Galloni, A, Gamba, D, Gandelman, M, Garcia, C, Garcia, J, Gaspar, C, Gasparini, U, Gavillet, P, Gazis, En, Gele, D, Gerber, Jp, Gibbs, M, Gokieli, R, Golob, B, Gopal, G, Gorn, L, Gorski, M, Gouz, Y, Gracco, V, Graziani, E, Grosdidier, G, Grzelak, K, Gumenyuk, S, Gunnarsson, P, Gunther, M, Guy, J, Hahn, F, Hahn, S, Hallgren, A, Hamacher, K, Hao, W, Harris, Fj, Hedberg, V, Henriques, R, Hernandez, Jj, Herquet, P, Herr, H, Hessing, Tl, Higon, E, Hilke, Hj, Hill, Ts, Holmgren, So, Holt, Pj, Holthuizen, D, Hoorelbeke, S, Houlden, M, Hrubec, J, Huet, K, Hultqvist, K, Jackson, Jn, Jacobsson, R, Jalocha, P, Janik, R, Jarlskog, C, Jarlskog, G, Jarry, P, Jeanmarie, B, Johansson, Ek, Jonsson, L, Jonsson, P, Joram, C, Juillot, P, Kaiser, M, Kapusta, F, Karafasoulis, K, Karlsson, M, Karvelas, E, Katsanevas, S, Katsoufis, Ec, Keranen, R, Khokhlov, Y, Khomenko, Ba, Khovanski, Nn, King, B, Kjaer, Nj, Klein, H, Klovning, A, Kluit, P, Koene, B, Kokkinias, P, Koratzinos, M, Korcyl, K, Kourkoumelis, C, Kouznetsov, O, Kramer, Ph, Krammer, M, Kreuter, C, Kronkvist, I, Krumstein, Z, Krupinski, W, Kubinec, P, Kucewicz, W, Kurvinen, K, Lacasta, C, Laktineh, I, Lamsa, Jw, Lanceri, L, Lane, Dw, Langefeld, P, Last, I, Laugier, Jp, Lauhakangas, R, Leder, G, Ledroit, F, Lefebure, V, Legan, Ck, Leitner, R, Lemoigne, Y, Lemonne, J, Lenzen, G, Lepeltier, V, Lesiak, T, Libby, J, Liko, D, Lindner, R, Lipniacka, A, Lippi, I, Loerstad, B, Loken, Jg, Lopez, Jm, Loukas, D, Lutz, P, Lyons, L, Macnaughton, J, Maehlum, G, Maio, A, Malmgren, Tgm, Malychev, V, Mandl, F, Marco, J, Marco, R, Marechal, B, Margoni, M, Marin, Jc, Mariotti, C, Markou, A, Maron, T, Martinezrivero, C, Martinezvidal, F, Garcia, Smi, Masik, J, Matorras, F, Matteuzii, C, Matthiae, G, Mazzucato, M, Mccubbin, M, Mckay, R, Mcnulty, R, Medbo, J, Merck, M, Meroni, C, Meyer, S, Meyer, Wt, Miagkov, A, Michelotto, M, Migliore, E, Mirabito, L, Mitaroff, M, Mjoernmark, U, Moa, T, Moeller, R, Moenig, K, Monge, Mr, Morettini, P, Mueller, H, Mundim, Lm, Murray, Wj, Muryn, B, Myatt, G, Naraghi, F, Navarria, Fl, Navas, S, Nawrocki, K, Negri, P, Newmann, W, Neumeister, N, Nicolaidou, R, Nielsen, Bs, Nieuwenhuizen, M, Nikolaenko, V, Niss, P, Nomerotski, A, Normand, A, Novak, M, Oberschultebeckmann, W, Obraztsov, V, Olshevski, Ag, Onofre, A, Orava, R, Osterberg, K, Ouraou, A, Paganini, P, Paganoni, M, Pages, P, Pain, R, Palka, H, Papadopoulou, Td, Papageorgiou, K, Pape, L, Parkes, C, Parodi, F, Passeri, A, Pegorano, M, Peralta, L, Pernicka, M, Perrotta, A, Petridou, C, Petrolini, A, Petrovyck, M, Phillips, Ht, Piana, G, Pierre, F, Pimenta, M, Plaszczynski, S, Podobrin, O, Pol, Me, Polok, G, Poropat, P, Pozdniakov, V, Prest, M, Privitera, P, Pukhaeva, N, Pullia, A, Radojicic, D, Ragazzi, S, Rahmani, H, Ratoff, Pn, Read, Al, Reale, M, Rebecchi, P, Redaelli, Ng, Regler, M, Reid, D, Renton, Pb, Resvanis, Lk, Richard, F, Richardson, J, Ridky, J, Rinaudo, G, Ripp, I, Romero, A, Roncagliolo, I, Ronchese, P, Roos, L, Rosenberg, Ei, Rosso, E, Roudeau, P, Rovelli, T, Ruckstuhl, W, Ruhlmannkleider, V, Ruiz, A, Saarikko, H, Sacquin, Y, Sadovsky, A, Sahr, O, Sajot, G, Salt, J, Sanchez, J, Sannino, M, Schimmelpfennig, M, Schneider, H, Schwickerath, U, Schyns, Mae, Sciolla, G, Scuri, Fabrizio, Seager, P, Sedykh, Y, Segar, Am, Seitz, A, Sekulin, R, Serbelloni, L, Shellard, Rc, Siccama, I, Siegrist, P, Simonetti, S, Simonetto, F, Sisakian, An, Sitar, B, Skaali, Tb, Smadja, G, Smirnov, N, Smirnova, O, Smith, Gr, Solovianov, O, Sosnowski, R, Souzasantos, D, Spassov, T, Spiriti, E, Sponholz, P, Squarcia, S, Stanescu, C, Stapnes, S, Stavitski, L, Stevenson, K, Stichelbaut, F, Stocchi, A, Strauss, J, Strub, R, Stugu, B, Szczekowski, M, Szeptycka, M, Tabarelli, T, Tavernet, Jp, Tchikilev, O, Thomas, J, Tilquin, A, Timmermans, J, Tkatchev, Lg, Todorov, T, Todorova, S, Toet, Dz, Tomaradze, A, Tonazzo, A, Tortora, L, Transtromer, G, Treille, D, Trischuk, W, Tristram, G, Trombini, A, Troncon, C, Tsirou, A, Turluer, Ml, Tyapkin, Ia, Tyndel, M, Tzamarias, S, Ueberschaer, B, Ullaland, O, Uvarov, V, Valenti, G, Vallazza, E, Vandervelde, C, Vanapeldoorn, Gw, Vandam, P, Vaneldik, J, Vassilopoulos, N, Vegni, G, Ventura, L, Venus, W, Verbeure, F, Verlato, M, Vertogradov, Ls, Vilanova, D, Vincent, P, Vitale, L, Vlasov, E, Vodopyanov, As, Vrba, V, Wahlen, H, Walck, C, Waldner, F, Weierstall, M, Weilhammer, P, Weiser, C, Wetherell, Am, Wicke, D, Wickens, Jh, Wielers, M, Wilkinson, Gr, Williams, Wsc, Winter, M, Witek, M, Woschnagg, K, Yip, K, Yushchenko, O, Zach, F, Zaitsev, A, Zalewska, A, Zalewski, P, Zavrtanik, D, Zevgolatakos, E, Zimin, Ni, Zito, M, Zontar, D, Zucchelli, Gc, and Zumerle, G.
Published: 1996

91. Search for the lightest chargino at root s=130 and 136 GeV

Author: Abreu, P, Adam, W, Adye, T, Agasi, E, Ajinenko, I, Aleksan, R, Alekseev, GD, Alemany, R, Allport, PP, Almehed, S, Amaldi, U, Amato, S, Andreazza, A, Andrieux, ML, Antilogus, P, Apel, WD, Arnoud, Y, Asman, B, Augustin, JE, Augustinus, A, Baillon, P, Bambade, P, Barao, F, Barate, R, Barbi, M, Bardin, DY, Baroncelli, A, Barring, O, Barrio, JA, Bartl, W, Bates, MJ, Battaglia, M, Baubillier, M, Baudot, J, Becks, KH, Begalli, M, Beilliere, P, Belokopytov, Y, Belous, K, Benvenuti, AC, Berggren, M, Bertini, D, Bertrand, D, Bianchi, F, Bigi, M, Bilenky, MS, Billoir, P, Bloch, D, Blume, M, Bolognese, T, Bonesini, M, Bonivento, W, Booth, PSL, Bosio, C, Botner, O, Boudinov, E, Bouquet, B, Bourdarios, C, Bowcock, TJV, Bozzo, M, Branchini, P, Brand, KD, Brenke, T, Brenner, RA, Bricman, C, Brown, RCA, Bruckman, P, Brunet, JM, Bugge, L, Buran, T, Burgsmueller, T, Buschmann, P, Buys, A, Cabrera, S, Caccia, M, Calvi, M, Rozas, AJC, Camporesi, T, Canale, V, Canepa, M, Cankocak, K, Cao, F, Carena, F, Carroll, L, Caso, C, Gimenez, MVC, Cattai, A, Cavallo, FR, Chabaud, V, Chapkin, M, Charpentier, P, Chaussard, L, Checchia, P, Chelkov, GA, Chen, M, Chierici, R, Chliapnikov, P, Chochula, P, Chorowicz, V, Cindro, V, Collins, P, Contreras, JL, Contri, R, Cortina, E, Cosme, G, Cossutti, F, Crawley, HB, Crennell, D, Crosetti, G, Maestro, JC, Czellar, S, DahlJensen, E, Dahm, J, Dalmagne, B, Dam, M, Damgaard, G, Dauncey, PD, Davenport, M, DaSilva, W, Defoix, C, Deghorain, A, DellaRicca, G, Delpierre, P, Demaria, N, DeAngelis, A, DeBoer, W, DeBrabandere, S, DeClercq, C, DeLaVaissiere, C, DeLotto, B, DeMin, A, DePaula, L, DeSaintJean, C, Dijkstra, H, DiCiaccio, L, Djama, F, Dolbeau, J, Donszelmann, M, Doroba, K, Dracos, M, Drees, J, Drees, KA, Dris, M, Durand, JD, Edsall, D, Ehret, R, Eigen, G, Ekelof, T, Ekspong, G, Elsing, M, Engel, JP, Erzen, B, Santo, ME, Falk, E, Fassouliotis, D, Feindt, M, Ferrer, A, Fichet, S, Filippas, TA, Firestone, A, Fischer, PA, Foeth, H, Fokitis, E, Fontanelli, F, Formenti, F, Franek, B, Frenkiel, P, Fries, DC, Frodesen, AG, Fruhwirth, R, FuldaQuenzer, F, Fuster, J, Galloni, A, Gamba, D, Gandelman, M, Garcia, C, Garcia, J, Gaspar, C, Gasparini, U, Gavillet, P, Gazis, EN, Gele, D, Gerber, JP, Gibbs, M, Gokieli, R, Golob, B, Gopal, G, Gorn, L, Gorski, M, Gouz, Y, Gracco, V, Graziani, E, Grosdidier, G, Grzelak, K, Gumenyuk, S, Gunnarsson, P, Gunther, M, Guy, J, Hahn, F, Hahn, S, Hajduk, Z, Hallgren, A, Hamacher, K, Hao, W, Harris, FJ, Hedberg, V, Henriques, R, Hernandez, JJ, Herquet, P, Herr, H, Hessing, TL, Higon, E, Hilke, HJ, Hill, TS, Holmgren, SO, Holt, PJ, Holthuizen, D, Hoorelbeke, S, Houlden, M, Hrubec, J, Huet, K, Hultqvist, K, Jackson, JN, Jacobsson, R, Jalocha, P, Janik, R, Jarlskog, C, Jarlskog, G, Jarry, P, JeanMarie, B, Johansson, EK, JOnsson, L, Jonsson, P, Joram, C, Juillot, P, Kaiser, M, Kapusta, F, Karafasoulis, K, Karlsson, M, Karvelas, E, Katsanevas, S, Katsoufis, EC, Keranen, R, Khokhlov, Y, Khomenko, BA, Khovanski, NN, King, B, Kjaer, NJ, Klein, H, Klovning, A, Kluit, P, Koene, B, Kokkinias, P, Koratzinos, M, Korcyl, K, Kostioukhine, V, Kourkoumelis, C, Kouznetsov, O, Kramer, PH, Krammer, M, Kreuter, C, Kronkvist, I, Krumstein, Z, Krupinski, W, Kubinec, P, Kucewicz, W, Kurvinen, K, Lacasta, C, Laktineh, I, Lamsa, JW, Lanceri, L, Lane, DW, Langefeld, P, Lapin, V, Last, I, Laugier, JP, Lauhakangas, R, Leder, G, Ledroit, F, Lefebure, V, Legan, CK, Leitner, R, Lemoigne, Y, Lemonne, J, Lenzen, G, Lepeltier, V, Lesiak, T, Libby, J, Lindner, R, Lipniacka, A, Lippi, I, Loerstad, B, Loken, JG, Lopez, JM, Lukas, D, Lutz, P, Lyons, L, MacNaughton, J, Maehlum, G, Maio, A, Malmgren, TGM, Malychev, V, Mandl, F, Marco, J, Marco, R, Marechal, B, Margoni, M, Marin, JC, Mariotti, C, Markou, A, Maron, T, MartinezRivero, C, MartinezVidal, F, Garcia, SMI, Matorras, F, Matteuzzi, C, Matthiae, G, Mazzucato, M, McCubbin, M, McKay, R, McNulty, R, Medbo, J, Merk, M, Meroni, C, Meyer, S, Meyer, WT, Michelotto, M, Migliore, E, Mirabito, L, Mitaroff, WA, Mjoernmark, U, Moa, T, Moeller, R, Moenig, K, Monge, MR, Morettini, P, Mueller, H, Mundim, LM, Murray, WJ, Muryn, B, Myatt, G, Naraghi, F, Navarria, FL, Navas, S, Nawrocki, K, Negri, P, Nemecek, S, Neumann, W, Neumeister, N, Nicolaidou, R, Normand, A, Novak, M, OberschulteBeckmann, W, Obraztsov, V, Olshevski, AG, Onofre, A, Orava, R, Osterberg, K, Ouraou, A, Paganini, P, Paganoni, M, Pages, P, Pain, R, Palka, H, Papadopoulou, TD, Papageorgiou, K, Pape, L, Parkes, C, Parodi, F, Passeri, A, Pegoraro, M, Peralta, L, Pernegger, H, Pernicka, M, Perrotta, A, Petridou, C, Petrolini, A, Petrovyck, M, Phillips, HT, Piana, G, Pierre, F, Pimenta, M, Plaszczynski, S, Podobrin, O, Pol, ME, Polok, G, Poropat, P, Pozdniakov, V, Prest, M, Privitera, P, Pukhaeva, N, Pullia, A, Radojicic, D, Ragazzi, S, Rahmani, H, Rames, J, Ratoff, PN, Read, AL, Reale, M, Rebecchi, P, Redaelli, NG, Regler, M, Reid, D, Renton, PB, Resvanis, LK, Richard, F, Richardson, J, Ridky, J, Rinaudo, G, Ripp, I, Romero, A, Roncagliolo, I, Ronchese, P, Roos, L, Rosenberg, EI, Rosso, E, Roudeau, P, Rovelli, T, Ruckstuhl, W, RuhlmannKleider, V, Ruiz, A, Rybicki, K, Saarikko, H, Sacquin, Y, Sadovsky, A, Sahr, O, Sajot, G, Salt, J, Sanchez, J, Sannino, M, Schimmelpfennig, M, Schneider, H, Schwickerath, U, Schyns, MAE, Sciolla, G, Scuri, F, Seager, P, Sedykh, Y, Segar, AM, Seitz, A, Sekulin, R, Serbelloni, L, Shellard, RC, Siccama, I, Siegrist, P, Simonetti, S, Simonetto, F, Sisakian, AN, Sitar, B, Skaali, TB, Smadja, G, Smirnov, N, Smirnova, O, Smith, GR, Sosnowski, R, SouzaSantos, D, Spassov, T, Spiriti, E, Sponholz, P, Squarcia, S, Stanescu, C, Stapnes, S, Stavitski, I, Stevenson, K, Stichelbaut, F, Stocchi, A, Strauss, J, Strub, R, Stugu, B, Szczekowski, M, Szeptycka, M, Tabarelli, T, Tavernet, JP, Tcherniaev, E, Tchikilev, O, Thomas, J, Tilquin, A, Timmermans, J, Tkatchev, LG, Todorov, T, Todorova, S, Toet, DZ, Tomaradze, A, Tonazzo, A, Tortora, L, Transtromer, G, Treille, D, Trischuk, W, Tristram, G, Trombini, A, Troncon, C, Tsirou, A, Turluer, ML, Tyapkin, IA, Tyndel, M, Tzamarias, S, Ueberschaer, B, Ullaland, O, Uvarov, V, Valenti, G, Vallazza, E, VanderVelde, C, VanApeldoorn, GW, VanDam, P, VanEldik, J, Vassilopoulos, N, Vegni, G, Ventura, L, Venus, W, Verbeure, F, Verlato, M, Vertogradov, LS, Vilanova, D, Vincent, P, Vitale, L, Vlasov, E, Vodopyanov, AS, Vrba, V, Wahlen, H, Walck, C, Waldner, F, Weierstall, M, Weilhammer, P, Weiser, C, Wetherell, AM, Wicke, D, Wickens, JH, Wielers, M, Wilkinson, GR, Williams, WSC, Winter, M, Witek, M, Woschnagg, K, Yip, K, Yushchenko, O, Zach, F, Zaitsev, A, Zalewska, A, Zalewski, P, Zavrtanik, D, Zevgolatakos, E, Zimin, NI, Zito, M, Zontar, D, Zucchelli, GC, and Zumerle, G
Subjects: PHYSICS, DELPHI, lightest chargino, minimal Supersymmetric Standard model, LEP-200, High Energy Physics::Phenomenology, STANDARD MODEL, SUPERSYMMETRY, High Energy Physics::Experiment
Abstract: A search for pair production of the lightest chargino at √s = 130.4 and 136.3 GeV has been carried out using the data sample corresponding to the 5.92 pb-1 recorded by the DELPHI detector during the high energy run of LEP in the last period of 1995. The theoretical reference model has been the Minimal Supersymmetric Standard Model with R-parity conservation. The three topologies expected for the decay of a pair of charginos, namely two acoplanar leptons plus missing energy (ℓℓ), two jets and an isolated lepton plus missing energy (jjℓ) and missing energy in a hadronic environment (√s), were investigated. No evidence of a signal was found. Lower mass limits were derived for various scenarios, including the case of a low mass difference between the chargino and the neutralino and of a light sneutrino. The mass limits range between 56.3 GeV/c2 and the kinematic limit.
Published: 1996

92. Measurement of inclusive K(0)(892), phi(1020) and K-2(0)(1430) production in hadronic Z decays

Author: Abreu, P Adam, W Adye, T Agasi, E Ajinenko, I and Aleksan, R Alekseev, GD Alemany, R Allport, PP Almehed, S Amaldi, U Amato, S Andreazza, A Andrieux, ML and Antilogus, P Apel, WD Arnoud, Y Asman, B Augustin, JE and Augustinus, A Baillon, P Bambade, P Barate, R Barbi, M Bardin, DY Baroncelli, A Barring, O Barrio, JA and Bartl, W Bates, MJ Battaglia, M Baubillier, M Baudot, J and Becks, KH Begalli, M Beilliere, P Belokopytov, Y and Belous, K Benvenuti, AC Berggren, M Bertini, D Bertrand, D Bianchi, F Bigi, M Bilenky, MS Billoir, P Bloch, D and Blume, M Bolognese, T Bonesini, M Bonivento, W and Booth, PSL Bosio, C Botner, O Boudinov, E Bouquet, B and Bourdarios, C Bowcock, TJV Bozzo, M Branchini, P Brand, KD Brenke, T Brenner, RA Bricman, C Brown, RCA and Bruckman, P Brunet, JM Bugge, L Buran, T Burgsmueller, T and Buschmann, P Buys, A Cabrera, S Caccia, M Calvi, M and Rozas, AJC Camporesi, T Canale, V Canepa, M and Cankocak, K Cao, F Carena, F Carroll, L Caso, C and Gimenez, MVC Cattai, A Cavallo, FR Chabaud, V Chapkin, M and Charpentier, P Chaussard, L Checchia, P Chelkov, GA and Chen, M Chierici, R Chliapnikov, P Chochula, P and Chorowicz, V Cindro, V Collins, P Contreras, JL Contri, R Cortina, E Cosme, G Cossutti, F Crawley, HB and Crennell, D Crosetti, G Maestro, JC Czellar, S and DahlJensen, E Dahm, J Dalmagne, B Dam, M Damgaard, G and Dauncey, PD Davenport, M DaSilva, W Defoix, C Deghorain, A DellaRicca, G Delpierre, P Demaria, N DeAngelis, A and DeBoer, W DeBrabandere, S DeClercq, C DeLaVassiere, C and DeLotto, B DeMin, A DePaula, L DeSaintJean, C Dijkstra, H DiCiaccio, L Djama, F Dolbeau, J Donszelmann, M and Doroba, K Dracos, M Drees, J Drees, KA Dris, M and Durand, JD Edsall, D Ehret, R Eigen, G Ekelof, T and Ekspong, G Elsing, M Engel, JP Erzen, B Santo, ME and Falk, E Fassouliotis, D Feindt, M Ferrer, A Fichet, S and Filippas, TA Firestone, A Fischer, PA Foeth, H and Fokitis, E Fontanelli, F Formenti, F Franek, B Frenkiel, P Fries, DC Frodesen, AG Fruhwirth, R FuldaQuenzer, F and Fuster, J Galloni, A Gamba, D Gandelman, M Garcia, C and Garcia, J Gaspar, C Gasparini, U Gavillet, P Gazis, EN Gele, D Gerberg, JP Gerdyukov, L Gibbs, M and Gokieli, R Golob, B Gopal, G Gorn, L Gorski, M Gouz, Y Gracco, V Graziani, E Gresdidier, G Grzelak, K and Gumenyuk, S Gunnarsson, P Gunther, M Guy, J Hahn, F and Hahn, S Hajduk, Z Hallgren, A Hamacher, K Hao, W and Harris, FJ Hedberg, V Henriques, R Hernandez, JJ and Herquet, P Herr, H Hessing, TL Higon, E Hilke, HJ and Hill, TS Holmgren, SO Holt, PJ Holthuizen, D Hoorelbeke, S Houlden, M Hrubec, J Huet, K Hultqvist, K Jackson, JN Jacobsson, R Jalocha, P Janik, R Jarlskog, G and Jarry, P JeanMarie, B Johansson, EK Jonsson, L Jonsson, P Joram, C Juillot, P Kaiser, M Kapusta, F and Karafasoulis, K Karlsson, M Karvelas, E Katsanevas, S and Katsoufis, EC Keranen, R Khokhlov, Y Khomenko, BA and Khovanski, NN King, B Kjaer, NJ Klein, H Klovning, A and Kluit, P Koene, B Kokkinias, P Koratzinos, M Korcyl, K and Kostioukhine, V Kourkoumelis, C Kouznetsov, O Kramer, PH and Krammer, M Kreuter, C Kronkvist, I Krumstein, Z and Krupinski, W Kubinec, P Kucewicz, W Kurvinen, K Lacasta, C Laktineh, I Lamsa, JW Lanceri, L Lane, DW and Langefeld, P Lapin, V Last, I Laugier, JP Lauhakangas, R and Leder, G Ledroit, F Lefebure, V Legan, CK Leitner, R and Lemoigne, Y Lemonne, J Lenzen, G Lepeltier, V and Lesiak, T Libby, J Liko, D Lindner, R Lipniacka, A and Lippi, I Loerstad, B Loken, JG Lopez, JM Loukas, D and Lutz, P Lyons, L Maehlum, G Maio, A Malmgren, TGM and Malychev, V Mandl, F Marco, J Marco, R Marechal, B and Margoni, M Marin, JC Mariotti, C Markou, A Maron, T and MartinezRivero, C MartinezVidal, F Garvia, SMI Matorras, F and Matteuzzi, C Matthiae, G Mazzucato, M McCubbin, M and McKay, R McNulty, R Medbo, J Merk, M Meroni, C and Meyer, S Meyer, WT Michelotto, M Migliore, E Mirabito, L and Mitaroff, WA Mjoernmark, U Moa, T Moeller, R Moenig, K Monge, MR Morettini, P Mueller, H Muenich, K and Mundim, LM Murray, WJ Muryn, B Myatt, G Naraghi, F and Navarria, FL Navas, S Nawrocki, K Negri, P Nemecek, S and Neumann, W Neumeister, N Nicolaidou, R Nielsen, BS and Niewenhuizen, M Nikolaenko, V Niss, P Nomerotski, A and Normand, A Novak, M OberschulteBeckmann, W Obraztsov, V and Olshevski, AG Onofre, A Orava, R Osterberg, K Ouraou, A and Paganini, P Paganoni, M Pages, P Pain, R Palka, H and Papadopoulou, TD Papageorgiou, K Pape, L Parkes, C and Parodi, F Passeri, A Pegoraro, M Peralta, L Pernegger, H and Pernicka, M Perrotta, A Petridou, C Petrolini, A and Petrovyck, M Phillips, HT Piana, G Pierre, F Pimenta, M and Plaszczynski, S Podobrin, O Pol, ME Polok, G and Poropat, P Pozdniakov, V Prest, M Privitera, P Pukhaeva, N Pullia, A Radojicic, D Ragazzi, S Rahmani, H and Rames, J Ratoff, PN Read, AL Reale, M Rebecchi, P and Redaelli, NG Regler, M Reid, D Renton, PB Resvanis, LK and Richard, F Richardson, J Ridky, J Rinaudo, G Ripp, I and Romero, A Roncagliolo, I Ronchese, P Roos, L and Rosenberg, EI Rosso, E Roudeau, P Rovelli, T Ruckstuhl, W RuhlmannKleider, V Ruiz, A Rybicki, K Saarikko, H and Sacquin, Y Sadovsky, A Sahr, O Sajot, G Salt, J and Sanchez, J Sannino, M Schimmelpfennig, M Schneider, H and Schwickerath, U Schyns, MAE Sciolla, G Scuri, F Seager, P Sedykh, Y Segar, AM Seitz, A Sekulin, R and Serbelloni, L Shellard, RC Siccama, I Siegrist, P and Simonetti, S Simenetto, F Sisakian, AN Sitar, B Skaali, TB Smadja, G Smirnov, N Smirnova, O Smith, GR and Sosnowski, R SouzaSantos, D Spassov, T Spiriti, E and Sponholz, P Squarcia, S Stanescu, C Stapnes, S and Stavitski, I Stevenson, K Stichelbaut, F Stocchi, A and Strauss, J Strub, R Stugu, B Szczekowski, M Szeptycka, M and Tabarelli, T Tavernet, JP Tchikilev, O Thomas, J and Tilquin, A Timmermans, J Tkatchev, LG Todorov, T and Todorova, S Toet, DZ Tomaradze, A Tome, B Tonazzo, A and Tortora, L Transtromer, G Treille, D Trischuk, W and Tristram, G Trombini, A Troncon, C Tsirou, A Turluer, ML and Tyapkin, IA Tyndel, M Tzamarias, S Ueberschaer, B and Ullaland, O Uvarov, V Valenti, G Vallazza, E and VanApeldoorn, GW VanDam, P VanEldik, J Vassilopoulos, N and Vegni, G Ventura, L Venus, W Verbeure, F Verlato, M and Vertogradov, LS Vilanova, D Vincent, P Vitale, L Vlasov, E Vodopyanov, AS Vrba, V Wahlen, H Walck, C Waldner, F Weierstall, M Weilhammer, P Weiser, C Wetherell, AM and Wicke, D Wickens, JH Wielers, M Wilkinson, GR and Williams, WSC Winter, M Witek, M Woschnagg, K Yip, K and Yushchenko, O Zach, F Zaitsev, A Zalewska, A Zalewski, P and Zavrtanik, D Zevgolatakos, E Zimin, NI Zito, M and Zontar, D Zucchelli, GC Zumerle, G
Abstract: The inclusive production of the neutral vector mesons K-*0(892) and phi(1020), and of the tensor meson K-2(*0)(1430), in hadronic decays of the Z has been mea sured by the DELPHI detector at LEP. The average production rates per hadronic Z decay have been determined to be 0.77 +/- 0.08 K-2(*0)(892), 0.104 +/- 0.008 phi(1020) and 0.079 +/- 0.040 K-2(*0)(1430). The ratio of the tensor-to-vector meson production yields, [K-2(*0)(1430)]/[K-*0(892)] = 0.10 +/- 0.05, is smaller than the [f(2)(1270)]/[rho(0)(770)] and [f’(2)(1525)]/[phi(1020)] ratios measured by DELPHI. The production rates and differential cross sections are compared with the predictions of JETSET 7.4 tuned to the DELPHI data and of HERWIG 5.8. The K-*0(892) and phi(1020) data are compatible with model predictions, but a large disagreement is observed for the K-2(*0)(1430).
Published: 1996

93. Search for neutralinos, scalar leptons and scalar quarks in e(+)e(-) interactions at root s=130 GeV and 136 GeV

Author: Abreu, P Adam, W Adye, T Agasi, E Ajinenko, I and Alekseev, GD Alemany, R Allport, PP Almehed, S Amaldi, U and Amato, S Andersson, P Andreazza, A Andrieux, ML and Antilogus, P Apel, WD Asman, B Augustin, JE Augustinus, A Baillon, P Bambade, P Barao, F Barate, R Barbi, M and Bardin, DY Baroncelli, A Barring, O Barrio, JA and Bartl, W Bates, MJ Battaglia, M Baubillier, M Baudot, J and Becks, KH Begalli, M Beilliere, P Belokopytov, Y and Benvenuti, AC Berggren, M Bertini, D Bertrand, D and Besancon, M Bianchi, F Bigi, M Bilenky, MS Billoir, P and Bloch, D Blume, M Bolognese, T Bonesini, M and Bonivento, W Booth, PSL Bosio, C Botner, O Boudinov, E and Bouquet, B Bourdarios, C Bowcock, TJV Bozzo, M and Branchini, P Brand, KD Brenke, T Brenner, RA Bricman, C and Brown, RCA Bruckman, P Brunet, JM Bugge, L Buran, T and Burgsmueller, T Buschmann, P Buys, A Cabrera, S and Caccia, M Calvi, M Rozas, AJC Camporesi, T Canale, V and Canepa, M Cankocak, K Cao, F Carena, F Carroll, L and Caso, C Gimenez, MVC Cattai, A Cavallo, FR Chabaud, V and Charpentier, P Chaussard, L Checchia, P Chelkov, GA and Chen, M Chierici, R Chliapnikov, P Chochula, P and Chorowicz, V Chudoba, J Cindro, V Collins, P Contreras, JL Contri, R Cortina, E Cosme, G Cossutti, F Cowell, JH Crawley, HB Crennell, D Crosetti, G Maestro, JC and Czellar, S DahlJensen, E Dahm, J Dalmagne, B Dam, M and Damgaard, G Dauncey, PD Davenport, M DaSilva, W Defoix, C Deghorain, A DellaRicca, G Delpierre, P Demaria, N and DeAngelis, A DeBoer, W DeBrabandere, S DeClercq, C and DelaVaissiere, C DeLotto, B DeMin, A DePaula, L and DeSaintJean, C Dijkstra, H DiCiaccio, L DiDiodato, A and Djama, F Dolbeau, J Donszelmann, M Doroba, K Dracos, M and Drees, J Drees, KA Dris, M Durand, JD Edsall, D and Ehret, R Ekelof, T Ekspong, G Elsing, M Engel, JP and Erzen, B Santo, ME Falk, E Fassouliotis, D Feindt, M and Ferrer, A Fichet, S Filippas, TA Firestone, A Fischer, PA Foeth, H Fokitis, E Fontanelli, F Formenti, F and Franek, B Frenkiel, P Fries, DC Frodesen, AG Fruhwirth, R FuldaQuenzer, F Fuster, J Galloni, A Gamba, D and Gandelman, M Garcia, C Garcia, J Gaspar, C Gasparini, U and Gavillet, P Gazis, EN Gele, D Gerber, JP Gokieli, R and Golob, B Gopal, G Gorn, L Gorski, M Gouz, Y and Gracco, M Graziani, E Green, C Grefrath, A Gris, P and Grosdidier, G Grzelak, K Gumenyuk, S Gunnarsson, P and Gunther, M Guy, J Hahn, F Hahn, S Hajduk, Z and Hallgren, A Hamacher, K Hao, W Harris, FJ Hedberg, V and Hernandez, JJ Herquet, P Herr, H Hessing, TL Higon, E and Hilke, HJ Hill, TS Holmgren, SO Holt, PJ Holthuizen, D Hoorelbeke, S Houlden, M Hrubec, J Huet, K and Hultqvist, K Jackson, JN Jacobsson, R Jalocha, P Janik, R Jarlskog, C Jarlskog, G Jarry, P JeanMarie, B and Johansson, EK Jonsson, L Jonsson, P Joram, C Juillot, P and Kaiser, M Kapusta, F Karafasoulis, K Karlsson, M and Karvelas, E Katsanevas, S Katsoufis, EC Keranen, R and Khokhlov, Y Khomenko, BA Khovanski, NN King, B Kjaer, NJ and Klapp, O Klein, H Klovning, A Kluit, P Koene, B and Kokkinias, P Koratzinos, M Korcyl, K Kostioukhine, V and Kourkoumelis, C Kouznetsov, O Krammer, M Kreuter, C and Kronkvist, I Krumstein, Z Krupinski, W Kubinec, P and Kucewicz, W Kurvinen, K Lacasta, C Laktineh, I Lamsa, JW and Lanceri, L Lane, DW Langefeld, P Lapin, V Laugier, JP Lauhakangas, R Leder, G Ledroit, F Lefebure, V and Legan, CK Leitner, R Lemonne, J Lenzen, G Lepeltier, V and Lesiak, T Libby, J Liko, D Lindner, R Lipniacka, A and Lippi, I Loerstad, B Loken, JG Lopez, JM Loukas, D and Lutz, P Lyons, L MacNaughton, J Maehlum, G Mahon, JR and Maio, A Malmgren, TGM Malychev, V Mandl, F Marco, J and Marco, R Marechal, B Margoni, M Marin, JC Mariotti, C Markou, A MartinezRivero, C MartinezVidal, F Garcia, SM Masik, J Matorras, F Matteuzzi, C Matthiae, G and Mazzucato, M McCubbin, M McKay, R McNulty, R Medbo, J and Merk, M Meroni, C Meyer, S Meyer, WT Miagkov, A and Michelotto, M Migliore, E Mirabito, L Mjoernmark, U Moa, T Moeller, R Moenig, K Monge, MR Morettini, P and Mueller, H Mundim, LM Murray, WJ Muryn, B Myatt, G and Naraghi, F Navarria, FL Navas, S Nawrocki, K Negri, P and Nemecek, S Neumann, W Neumeister, N Nicolaidou, R and Nielsen, BS Nieuwenhuizen, M Nikolaenko, V Niss, P and Nomerotski, A Normand, A OberschulteBeckmann, W Obraztsov, V and Olshevski, AG Onofre, A Orava, R Osterberg, K and Ouraou, A Paganini, P Paganoni, M Pages, P Pain, R and Palka, H Papadopoulou, TD Papageorgiou, K Pape, L and Parker, C Parodi, F Passeri, A Pegoraro, M Peralta, L and Pernegger, H Pernicka, M Perrotta, A Petridou, C and Petrolini, A Petrovyck, M Phillips, HT Piana, G Pierre, F Pimenta, M Plaszczynski, S Podobrin, O Pol, ME and Polok, G Poropat, P Pozdniakov, V Privitera, P Pukhaeva, N Pullia, A Radojicic, D Ragazzi, S Rahmani, H and Ratoff, PN Read, AL Reale, M Rebecchi, P Redaelli, NG and Regler, M Reid, D Renton, PB Resvanis, LK Richard, F and Richardson, J Ridky, J Rinaudo, G Ripp, I Romero, A and Roncagliolo, I Ronchese, P Roos, L Rosenberg, EI and Rosso, E Roudeau, P Rovelli, T Ruckstuhl, W and RuhlmannKleider, V Ruiz, A Rybicki, K Saarikko, H and Sacquin, Y Sadovsky, A Sahr, O Sajot, G Salt, J and Sanchez, J Sannino, M Schimmelpfennig, M Schneider, H and Schwickerath, U Schyns, MAE Sciolla, G Scuri, F Seager, P Sedykh, Y Segar, AM Seitz, A Sekulin, R and Serbelloni, L Shellard, RC Siccama, I Siegrist, P and Silvestre, R Simonetti, S Simonetto, F Sisakian, AN and Sitar, B Skaali, TB Smadja, G Smirnov, N Smirnova, O and Smith, GR Sokolov, A Sosnowski, R SouzaSantos, D and Spassov, T Spiriti, E Sponholz, P Squarcia, S Stanescu, C Stapnes, S Stavitski, I Stevenson, K Stichelbaut, F and Stocchi, A Strauss, J Strub, R Stugu, B Szczekowski, M Szeptycka, M Tabarelli, T Tavernet, JP Tcherniaev, E and Tchikilev, O Thomas, J Tilquin, A Timmermans, J and Tkatchev, LG Todorov, T Todorova, S Toet, DZ Tomaradze, A Tome, B Tonazzo, A Tortora, L Transtromer, G and Treille, D Trischuk, W Tristram, G Trombini, A Troncon, C Tsirou, A Turluer, ML Tyapkin, IA Tyndel, M and Tzamarias, S Ueberschaer, B Ullaland, O Uvarov, V and Valenti, G Vallazza, E VanderVelde, C VanApeldoorn, GW and VanDam, P VanEldik, J Vassilopoulos, N Vegni, G Ventura, L Venus, W Verbeure, F Verlato, M Vertogradov, LS and Vilanova, D Vincent, P Vitale, L Vlasov, E Vodopyanov, AS Vrba, V Wahlen, H Walck, C Waldner, F Weirstall, M Weilhammer, P Weiser, C Wetherell, AM Wicke, D and Wickens, JH Wielers, M Wilkinson, GR Williams, WSC and Winter, M Witek, M Woschnagg, K Yip, K Yushchenko, O and Zach, F Zaitsev, A Zalewska, A Zalewski, P Zavrtanik, D and Zevgolatakos, E Zimin, NI Zito, M Zontar, D and Zucchelli, GC Zumerle, G
Subjects: Astrophysics::High Energy Astrophysical Phenomena, High Energy Physics::Phenomenology, High Energy Physics::Experiment
Abstract: Using data accumulated by DELPHI during the November 1995 LEP run at 130-136 GeV, searches have been made for events with jets or leptons in conjunction with missing momentum, The results are interpreted in terms of limits on the production of neutralinos, scalar leptons, and scalar quarks.
Published: 1996

94. Search for high mass gamma gamma resonances in e(+)e(-)->l(+)l(-)gamma gamma, nu(nu)over-bar-gamma gamma and q(q)over-bar-gamma gamma at LEP I

Author: Abreu, P Adam, W Adye, T Agasi, E Ajinenko, I and Aleksan, R Alekseev, GD Alemany, R Allport, PP Almehed, S Amaldi, U Amato, S Andreazza, A Andrieux, ML and Antilogus, P Apel, WD Arnoud, Y Asman, B Augustin, JE and Augustinus, A Baillon, P Bambade, P Barao, F Barate, R Barbi, M Bardin, DY Baroncelli, A Barring, O and Barrio, JA Bartl, W Bates, MJ Battaglia, M Baubillier, M and Baudot, J Becks, KH Begalli, M Beilliere, P and Belokopytov, Y Benvenuti, AC Berggren, M Bertini, D and Bertrand, D Bianchi, F Bigi, M Bilenky, MS Billoir, P and Bloch, D Blume, M Bolognese, T Bonesini, M and Bonivento, W Booth, PSL Borisov, G Bosio, C Botner, O and Boudinov, E Bouquet, B Bourdarios, C Bowcock, TJV and Bozzo, M Branchini, P Brand, KD Brenke, T Brenner, RA and Bricman, C Brown, RCA Bruckman, P Brunet, JM Bugge, L Buran, T Burgsmueller, T Buschmann, P Buys, A and Cabrera, S Caccia, M Calvi, M Rozas, AJC Camporesi, T and Canale, V Canepa, M Cankocak, K Cao, F Carena, F and Carroll, L Caso, C Gimenez, MVC Cattai, A Cavallo, FR and Chabaud, V Charpentier, P Chaussard, L Checchia, P and Chelkov, GA Chen, M Chierici, R Chliapnikov, P Chochula, P Chorowicz, V Chudoba, J Cindro, V Collins, P and Contreras, JL Contri, R Cortina, E Cosme, G Cossutti, F and Crawley, HB Crennell, D Crosetti, G Maestro, JC and Czellar, S DahlJensen, E Dahm, J Dalmagne, B Dam, M and Damgaard, G Dauncey, PD Davenport, M DaSilva, W Defoix, C Deghorain, A DellaRicca, G Delpierre, P Demaria, N and Angelis, A DeBoer, W DeBrabandere, S DeClercq, C and DelaVaissiere, C DeLotto, B DeMin, A DePaula, L and SaintJean, CD Dijkstra, H DiCiaccio, L Djama, F Dolbeau, J Donszelmann, M Doroba, K Dracos, M Drees, J Drees, KA Dris, M Durand, JD Edsall, D Ehret, R Eigen, G and Ekelof, T Ekspong, G Elsing, M Engel, JP Erzen, B and Santo, ME Falk, E Fassouliotis, D Feindt, M Fenyuk, A Ferrer, A Fichet, S Filippas, TA Firestone, A and Fischer, PA Foeth, H Fokitis, E Fontanelli, F Formenti, F Franek, B Frenkiel, P Fries, DC Frodesen, AG and Fruhwirth, R FuldaQuenzer, F Fuster, J Galloni, A Gamba, D Gandelman, M Garcia, C Garcia, J Gaspar, C and Gasparini, U Gavillet, P Gazis, EN Gele, D Gerber, JP and Gibbs, M Gokieli, R Golob, B Gopal, G Gorn, L and Gorski, M Gouz, Y Gracco, V Graziani, E Grosdidier, G and Grzelak, K Gumenyuk, S Gunnarsson, P Gunther, M Guy, J Hahn, F Hahn, S Hallgren, A Hamacher, K Hao, W and Harris, FJ Hedberg, V Henriques, R Hernandez, JJ and Herquet, P Herr, H Hessing, TL Higon, E Hilke, HJ and Hill, TS Holmgren, SO Holt, PJ Holthuizen, D Hoorelbeke, S Houlden, M Hrubec, J Huet, K Hultqvist, K Jackson, JN Jacobsson, R Jalocha, P Janik, R Jarlskog, C and Jarlskog, G Jarry, P JeanMarie, B Johansson, EK Jonsson, L Jonsson, P Joram, C Juillot, P Kaiser, M Kapusta, F Karafasoulis, K Karlsson, M Karvelas, E Katsanevas, S and Katsoufis, EC Keranen, R Khokhlov, Y Khomenko, BA and Khovanski, NN King, B Kjaer, NJ Klein, H Klovning, A and Kluit, P Koene, B Kokkinias, P Koratzinos, M Korcyl, K and Kourkoumelis, C Kouznetsov, O Kramer, PH Krammer, M and Kreuter, C Kronkvist, I Krumstein, Z Krupinski, W and Kubinec, P Kucewicz, W Kurvinen, K Lacasta, C Laktineh, I Lamsa, JW Lanceri, L Lane, DW Langefeld, P Last, I and Laugier, JP Lauhakangas, R Leder, G Ledroit, F and Lefebure, V Legan, CK Leitner, R Lemoigne, Y Lemonne, J and Lenzen, G Lepeltier, V Lesiak, T Libby, J Liko, D and Lindner, R Lipniacka, A Lippi, I Loerstad, B Loken, JG Lopez, JM Loukas, D Lutz, P Lyons, L MacNaughton, J Maehlum, G Maio, A Malmgren, TGM Malychev, V and Mandl, F Marco, J Marco, R Marechal, B Margoni, M and Marin, JC Mariotti, C Markou, A Maron, T MartinezRivero, C MartinezVidal, F Garcia, SMI Masik, J Matorras, F and Matteuzii, C Matthiae, G Mazzucato, M McCubbin, M McKay, R McNulty, R Medbo, J Merck, M Meroni, C Meyer, S and Meyer, WT Miagkov, A Michelotto, M Migliore, E and Mirabito, L Mitaroff, M Mjoernmark, U Moa, T Moeller, R and Moenig, K Monge, MR Morettini, P Mueller, H Mundim, LM Murray, WJ Muryn, B Myatt, G Naraghi, F Navarria, FL Navas, S Nawrocki, K Negri, P Newmann, W and Neumeister, N Nicolaidou, R Nielsen, BS Nieuwenhuizen, M and Nikolaenko, V Niss, P Nomerotski, A Normand, A Novak, M and OberschulteBeckmann, W Obraztsov, V Olshevski, AG and Onofre, A Orava, R Osterberg, K Ouraou, A Paganini, P and Paganoni, M Pages, P Pain, R Palka, H Papadopoulou, TD Papageorgiou, K Pape, L Parkes, C Parodi, F and Passeri, A Pegorano, M Peralta, L Pernicka, M Perrotta, A Petridou, C Petrolini, A Petrovyck, M Phillips, HT and Piana, G Pierre, F Pimenta, M Plaszczynski, S Podobrin, O Pol, ME Polok, G Poropat, P Pozdniakov, V Prest, M and Privitera, P Pukhaeva, N Pullia, A Radojicic, D and Ragazzi, S Rahmani, H Ratoff, PN Read, AL Reale, M and Rebecchi, P Redaelli, NG Regler, M Reid, D Renton, PB and Resvanis, LK Richard, F Richardson, J Ridky, J and Rinaudo, G Ripp, I Romero, A Roncagliolo, I Ronchese, P and Roos, L Rosenberg, EI Rosso, E Roudeau, P Rovelli, T and Ruckstuhl, W RuhlmannKleider, V Ruiz, A Saarikko, H and Sacquin, Y Sadovsky, A Sahr, O Sajot, G Salt, J and Sanchez, J Sannino, M Schimmelpfennig, M Schneider, H and Schwickerath, U Schyns, MAE Sciolla, G Scuri, F Seager, P Sedykh, Y Segar, AM Seitz, A Sekulin, R and Serbelloni, L Shellard, RC Siccama, I Siegrist, P and Simonetti, S Simonetto, F Sisakian, AN Sitar, B Skaali, TB Smadja, G Smirnov, N Smirnova, O Smith, GR and Solovianov, O Sosnowski, R SouzaSantos, D Spassov, T and Spiriti, E Sponholz, P Squarcia, S Stanescu, C Stapnes, S Stavitski, L Stevenson, K Stichelbaut, F Stocchi, A and Strauss, J Strub, R Stugu, B Szczekowski, M and Szeptycka, M Tabarelli, T Tavernet, JP Tchikilev, O and Thomas, J Tilquin, A Timmermans, J Tkatchev, LG Todorov, T Todorova, S Toet, DZ Tomaradze, A Tonazzo, A and Tortora, L Transtromer, G Treille, D Trischuk, W and Tristram, G Trombini, A Troncon, C Tsirou, A Turluer, ML and Tyapkin, IA Tyndel, M Tzamarias, S Ueberschaer, B and Ullaland, O Uvarov, V Valenti, G Vallazza, E and VanderVelde, C VanApeldoorn, GW VanDam, P VanEldik, J and Vassilopoulos, N Vegni, G Ventura, L Venus, W Verbeure, F Verlato, M Vertogradov, LS Vilanova, D Vincent, P and Vitale, L Vlasov, E Vodopyanov, AS Vrba, V Wahlen, H and Walck, C Waldner, F Weierstall, M Weilhammer, P Weiser, C Wetherell, AM Wicke, D Wickens, JH Wielers, M and Wilkinson, GR Williams, WSC Winter, M Witek, M and Woschnagg, K Yip, K Yushchenko, O Zach, F Zaitsev, A and Zalewska, A Zalewski, P Zavrtanik, D Zevgolatakos, E and Zimin, NI Zito, M Zontar, D Zucchelli, GC Zumerle, G
Subjects: Astrophysics::High Energy Astrophysical Phenomena, High Energy Physics::Experiment
Abstract: A search for high mass photon pairs from the processes e(+)e(-) –> l(+)l(-)gamma gamma, e(+)e(-) –> and e(+)e(-) –> nu nu gamma gamma with the DELPHI detector at LEP I is reported. From a data sample containing 3.5 million hadronic Z(0) decays, collected by DELPHI during the years 1991 to 1994, 79 events with two charged leptons and two isolated photons were selected with photon pair masses above 10 GeV/c(2), where 76 +/- 6 events were predicted from standard sources. In the same data sample, no candidates were found and no accumulation of events was visible for gamma gamma masses above 10 GeVlc2 in the q channel. Upper limits at 95% confidence level on the Z(0) branching ratios for the three different channels were extracted from the data. In the mass region m(gamma gamma) > 30 CeV/c(2) the limits obtained are between 3x10(-6) and 4x10(-6).
Published: 1996

95. W pair production cross-section and W branching fractions in e+ e- interactions at 189 GeV

Author: Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, Alekseev, G, Alemany, R, Allmendinger, T, Allport, P, Almehed, S, Amaldi, U, Amapane, N, Amato, S, Anassontzis, E, Andersson, P, Andreazza, A, Andringa, S, Antilogus, P, Apel, W, Arnoud, Y, Asman, B, Augustin, J, Augustinus, A, Baillon, P, Ballestrero, A, Bambade, P, Barao, F, Barbiellini, G, Barbier, R, Bardin, D, Barker, G, Baroncelli, A, Battaglia, M, Baubillier, M, Becks, K, Begalli, M, Behrmann, A, Beilliere, P, Belokopytov, Y, Belous, K, Benekos, N, Benvenuti, A, Berat, C, Berggren, M, Bertrand, D, Besancon, M, Bilenky, M, Bizouard, M, Bloch, D, Blom, H, Bonesini, M, Boonekamp, M, Booth, P, Borisov, G, Bosio, C, Botner, O, Boudinov, E, Bouquet, B, Bourdarios, C, Bowcock, T, Boyko, I, Bozovic, I, Bozzo, M, Bracko, M, Branchini, P, Brenner, R, Bruckman, P, Brunet, J, Bugge, L, Buran, T, Buschbeck, B, Buschmann, P, Cabrera, S, Caccia, M, Calvi, M, Camporesi, T, Canale, V, Carena, F, Carroll, L, Caso, C, Gimenez, M, Cattai, A, Cavallo, F, Chabaud, V, Chapkin, P, Charpentier, P, Checchia, P, Chelkov, G, Chierici, R, Chliapnikov, P, Chochula, P, Chorowicz, V, Chudoba, J, Cieslik, K, Collins, P, Contri, R, Cortina, E, Cosme, G, Cossutti, F, Costa, M, Crawley, H, Crennell, D, Crepe, S, Crosetti, G, Maestro, J, Czellar, S, Davenport, M, Da Silva, W, Della Ricca, G, Delpierre, P, Demaria, N, De Angelis, A, De Boer, W, De Clercq, C, De Lotto, B, De Min, A, De Paula, L, Dijkstra, H, Di Ciaccio, L, Dolbeau, J, Doroba, K, Dracos, M, Drees, J, Dris, M, Duperrin, A, Durand, J, Eigen, G, Ekelof, T, Ekspong, G, Ellert, M, Elsing, M, Engel, J, Santo, M, Fanourakis, G, Fassouliotis, D, Fayot, J, Feindt, M, Fernandez, J, Ferrer, A, Ferrer Ribas, E, Ferro, F, Fichet, S, Firestone, A, Flagmeyer, U, Foeth, H, Fokitis, E, Fontanelli, F, Franek, B, Frodesen, A, Fruhwirth, R, Fulda Quenzer, F, Fuster, J, Galloni, A, Gamba, D, Gamblin, S, Gandelman, M, Garcia, C, Gaspar, C, Gaspar, M, Gasparini, U, Gavillet, P, Gazis, E, Gele, D, Geralis, T, Ghodbane, N, Gil, I, Glege, F, Gokieli, R, Golob, B, Gomez Ceballos, G, Goncalves, P, Caballero, I, Gopal, G, Gorn, L, Gouz, Y, Gracco, V, Grahl, J, Graziani, E, Gris, P, Grosdidier, G, Grzelak, K, Guy, J, Haag, C, Hahn, F, Hahn, S, Haider, S, Hallgren, A, Hamacher, K, Hansen, J, Harris, F, Hauler, F, Hedberg, V, Heising, S, Hernandez, J, Herquet, P, Herr, H, Heuser, J, Higon, E, Holmgren, S, Holt, P, Hoorelbeke, S, Houlden, M, Hrubec, J, Huber, M, Hughes, G, Hultqvist, K, Jackson, J, Jacobsson, R, Jalocha, P, Janik, R, Jarlskog, C, Jarlskog, G, Jarry, P, Jean Marie, B, Jeans, D, Johansson, E, Jonsson, P, Joram, C, Juillot, P, Jungermann, L, Kapusta, F, Karafasoulis, K, Katsanevas, S, Katsoufis, E, Keranen, R, Kernel, G, Kersevan, B, Khokhlov, Y, Khomenko, B, Khovanski, N, Kiiskinen, A, King, B, Kinvig, A, Kjaer, N, Klapp, O, Klein, H, Kluit, P, Kokkinias, P, Kostioukhine, V, Kourkoumelis, C, Kouznetsov, O, Krammer, M, Kriznic, E, Krumstein, Z, Kubinec, P, Kurowska, J, Kurvinen, K, Lamsa, J, Lane, D, Lapin, V, Laugier, J, Lauhakangas, R, Leder, G, Ledroit, F, Lefebure, V, Leinonen, L, Leisos, A, Leitner, R, Lenzen, G, Lepeltier, V, Lesiak, T, Lethuillier, M, Libby, J, Liebig, W, Liko, D, Lipniacka, A, Lippi, I, Loerstad, B, Loken, J, Lopes, J, Lopez, J, Lopez Fernandez, R, Loukas, D, Lutz, P, Lyons, L, Macnaughton, J, Mahon, J, Maio, A, Malek, A, Malmgren, T, Maltezos, S, Malychev, V, Mandl, F, Marco, J, Marco, R, Marechal, B, Margoni, M, Marin, J, Mariotti, C, Markou, A, Martinez Rivero, C, Garcia, S, Masik, J, Mastroyiannopoulos, N, Matorras, F, Matteuzzi, C, Matthiae, G, Mazzucato, F, Mazzucato, M, Mc Cubbin, M, Mc Kay, R, Mc Nulty, R, Mc Pherson, G, Meroni, C, Meyer, W, Miagkov, A, Migliore, E, Mirabito, L, Mitaroff, W, Mjoernmark, U, Moa, T, Moch, M, Moeller, R, Moenig, K, Monge, M, Moraes, D, Moreau, X, Morettini, P, Morton, G, Mueller, U, Muenich, K, Mulders, M, Mulet Marquis, C, Muresan, R, Murray, W, Muryn, B, Myatt, G, Myklebust, T, Naraghi, F, Nassiakou, M, Navarria, F, Nawrocki, K, Negri, P, Neufeld, N, Nicolaidou, R, Nielsen, B, Niezurawski, P, Nikolenko, M, Nomokonov, V, Nygren, A, Obraztsov, V, Olshevski, A, Onofre, A, Orava, R, Orazi, G, Osterberg, K, Ouraou, A, Oyanguren, A, Paganoni, M, Paiano, S, Pain, R, Paiva, R, Palacios, J, Palka, H, Papadopoulou, T, Pape, L, Parkes, C, Parodi, F, Parzefall, U, Passeri, A, Passon, O, Pavel, T, Pegoraro, M, Peralta, L, Pernicka, M, Perrotta, A, Petridou, C, Petrolini, A, Phillips, H, Pierre, F, Pimenta, M, Piotto, E, Podobnik, T, Pol, M, Polok, G, Poropat, P, Pozdniakov, V, Privitera, P, Pukhaeva, N, Pullia, A, Radojicic, D, Ragazzi, S, Rahmani, H, Rames, J, Ratoff, P, Read, A, Rebecchi, P, Redaelli, N, Regler, M, Rehn, J, Reid, D, Reinertsen, P, Reinhardt, R, Renton, P, Resvanis, L, Richard, F, Ridky, J, Rinaudo, G, Ripp Baudot, I, Rohne, O, Romero, A, Ronchese, P, Rosenberg, E, Rosinsky, P, Roudeau, P, Rovelli, T, Royon, C, Ruhlmann Kleider, V, Ruiz, A, Saarikko, H, Sacquin, Y, Sadovsky, A, Sajot, G, Salt, J, Sampsonidis, D, Sannino, M, Savoy Navarro, A, Schwemling, P, Schwering, B, Schwickerath, U, Scuri, F, Seager, P, Sedykh, Y, Segar, A, Seibert, N, Sekulin, R, Sette, G, Shellard, R, Siebel, M, Simard, L, Simonetto, F, Sisakian, A, Smadja, G, Smirnova, O, Smith, G, Solovianov, O, Sopczak, A, Sosnowski, R, Spassov, T, Spiriti, E, Squarcia, S, Stanescu, C, Stanitzki, M, Stevenson, K, Stocchi, A, Strauss, J, Strub, R, Stugu, B, Szczekowski, M, Szeptycka, M, TABARELLI DE FATIS, T, Taffard, A, Tegenfeldt, F, Terranova, F, Timmermans, J, Tinti, N, Tkatchev, L, Tobin, M, Todorova, S, Tomaradze, A, Tome, B, Tonazzo, A, Tortora, L, Tortosa, P, Transtromer, G, Treille, D, Tristram, G, Trochimczuk, M, Troncon, C, Turluer, M, Tyapkin, I, Tyapkin, P, Tzamarias, S, Ullaland, O, Uvarov, V, Valenti, G, Vallazza, E, Van Dam, P, Van den Boeck, W, Van Doninck, W, Van Eldik, J, Van Lysebetten, A, van Remortel, N, Van Vulpen, I, Vegni, G, Ventura, L, Venus, W, Verbeure, F, Verdier, P, Verlato, M, Vertogradov, L, Verzi, V, Vilanova, D, Vitale, L, Vlasov, E, Vodopyanov, A, Voulgaris, G, Vrba, V, Wahlen, H, Walck, C, Washbrook, A, Weiser, C, Wicke, D, Wickens, J, Wilkinson, G, Winter, M, Witek, M, Wolf, G, Yi, J, Yushchenko, O, Zalewska, A, Zalewski, P, Zavrtanik, D, Zevgolatakos, E, Zimin, N, Zintchenko, A, Zoller, P, Zucchelli, G, Zumerle, G, Alekseev, GD, Allport, PP, Anassontzis, EG, Apel, WD, Augustin, JE, Bardin, DY, Becks, KH, Benekos, NC, Benvenuti, AC, Bilenky, MS, Bizouard, MA, Blom, HM, Booth, PSL, Bowcock, TJV, Brenner, RA, Brunet, JM, Gimenez, MVC, Cavallo, FR, Chelkov, GA, Crawley, HB, Maestro, JC, Durand, JD, Engel, JP, Santo, ME, Frodesen, AG, Gazis, EN, Caballero, IG, Harris, FJ, Hernandez, JJ, Heuser, JM, Holmgren, SO, Holt, PJ, Hughes, GJ, Jackson, JN, Johansson, EK, Katsoufis, EC, Kersevan, BP, Khomenko, BA, Khovanski, NN, Kjaer, NJ, Lamsa, JW, Lane, DW, Laugier, JP, Loken, JG, Lopes, JH, Lopez, JM, MacNaughton, J, Mahon, JR, Malmgren, TGM, Marin, JC, Garcia, SMI, Meyer, WT, Mitaroff, WA, Monge, MR, Murray, WJ, Navarria, FL, Nielsen, BS, Olshevski, AG, Papadopoulou, TD, Phillips, HT, Pol, ME, Ratoff, PN, Read, AL, Redaelli, NG, Renton, PB, Resvanis, LK, Rosenberg, EI, Segar, AM, Shellard, RC, Sisakian, AN, Smith, GR, Tkatchev, LG, Turluer, ML, Tyapkin, IA, Van Doninck, WK, Vertogradov, LS, Vodopyanov, AS, Washbrook, AJ, Wickens, JH, Wilkinson, GR, Zimin, NI, Zucchelli, GC, Zumerle, G., CALVI, MARTA, PAGANONI, MARCO, RAGAZZI, STEFANO, TABARELLI DE FATIS, TOMMASO, TERRANOVA, FRANCESCO, Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, Alekseev, G, Alemany, R, Allmendinger, T, Allport, P, Almehed, S, Amaldi, U, Amapane, N, Amato, S, Anassontzis, E, Andersson, P, Andreazza, A, Andringa, S, Antilogus, P, Apel, W, Arnoud, Y, Asman, B, Augustin, J, Augustinus, A, Baillon, P, Ballestrero, A, Bambade, P, Barao, F, Barbiellini, G, Barbier, R, Bardin, D, Barker, G, Baroncelli, A, Battaglia, M, Baubillier, M, Becks, K, Begalli, M, Behrmann, A, Beilliere, P, Belokopytov, Y, Belous, K, Benekos, N, Benvenuti, A, Berat, C, Berggren, M, Bertrand, D, Besancon, M, Bilenky, M, Bizouard, M, Bloch, D, Blom, H, Bonesini, M, Boonekamp, M, Booth, P, Borisov, G, Bosio, C, Botner, O, Boudinov, E, Bouquet, B, Bourdarios, C, Bowcock, T, Boyko, I, Bozovic, I, Bozzo, M, Bracko, M, Branchini, P, Brenner, R, Bruckman, P, Brunet, J, Bugge, L, Buran, T, Buschbeck, B, Buschmann, P, Cabrera, S, Caccia, M, Calvi, M, Camporesi, T, Canale, V, Carena, F, Carroll, L, Caso, C, Gimenez, M, Cattai, A, Cavallo, F, Chabaud, V, Chapkin, P, Charpentier, P, Checchia, P, Chelkov, G, Chierici, R, Chliapnikov, P, Chochula, P, Chorowicz, V, Chudoba, J, Cieslik, K, Collins, P, Contri, R, Cortina, E, Cosme, G, Cossutti, F, Costa, M, Crawley, H, Crennell, D, Crepe, S, Crosetti, G, Maestro, J, Czellar, S, Davenport, M, Da Silva, W, Della Ricca, G, Delpierre, P, Demaria, N, De Angelis, A, De Boer, W, De Clercq, C, De Lotto, B, De Min, A, De Paula, L, Dijkstra, H, Di Ciaccio, L, Dolbeau, J, Doroba, K, Dracos, M, Drees, J, Dris, M, Duperrin, A, Durand, J, Eigen, G, Ekelof, T, Ekspong, G, Ellert, M, Elsing, M, Engel, J, Santo, M, Fanourakis, G, Fassouliotis, D, Fayot, J, Feindt, M, Fernandez, J, Ferrer, A, Ferrer Ribas, E, Ferro, F, Fichet, S, Firestone, A, Flagmeyer, U, Foeth, H, Fokitis, E, Fontanelli, F, Franek, B, Frodesen, A, Fruhwirth, R, Fulda Quenzer, F, Fuster, J, Galloni, A, Gamba, D, Gamblin, S, Gandelman, M, Garcia, C, Gaspar, C, Gaspar, M, Gasparini, U, Gavillet, P, Gazis, E, Gele, D, Geralis, T, Ghodbane, N, Gil, I, Glege, F, Gokieli, R, Golob, B, Gomez Ceballos, G, Goncalves, P, Caballero, I, Gopal, G, Gorn, L, Gouz, Y, Gracco, V, Grahl, J, Graziani, E, Gris, P, Grosdidier, G, Grzelak, K, Guy, J, Haag, C, Hahn, F, Hahn, S, Haider, S, Hallgren, A, Hamacher, K, Hansen, J, Harris, F, Hauler, F, Hedberg, V, Heising, S, Hernandez, J, Herquet, P, Herr, H, Heuser, J, Higon, E, Holmgren, S, Holt, P, Hoorelbeke, S, Houlden, M, Hrubec, J, Huber, M, Hughes, G, Hultqvist, K, Jackson, J, Jacobsson, R, Jalocha, P, Janik, R, Jarlskog, C, Jarlskog, G, Jarry, P, Jean Marie, B, Jeans, D, Johansson, E, Jonsson, P, Joram, C, Juillot, P, Jungermann, L, Kapusta, F, Karafasoulis, K, Katsanevas, S, Katsoufis, E, Keranen, R, Kernel, G, Kersevan, B, Khokhlov, Y, Khomenko, B, Khovanski, N, Kiiskinen, A, King, B, Kinvig, A, Kjaer, N, Klapp, O, Klein, H, Kluit, P, Kokkinias, P, Kostioukhine, V, Kourkoumelis, C, Kouznetsov, O, Krammer, M, Kriznic, E, Krumstein, Z, Kubinec, P, Kurowska, J, Kurvinen, K, Lamsa, J, Lane, D, Lapin, V, Laugier, J, Lauhakangas, R, Leder, G, Ledroit, F, Lefebure, V, Leinonen, L, Leisos, A, Leitner, R, Lenzen, G, Lepeltier, V, Lesiak, T, Lethuillier, M, Libby, J, Liebig, W, Liko, D, Lipniacka, A, Lippi, I, Loerstad, B, Loken, J, Lopes, J, Lopez, J, Lopez Fernandez, R, Loukas, D, Lutz, P, Lyons, L, Macnaughton, J, Mahon, J, Maio, A, Malek, A, Malmgren, T, Maltezos, S, Malychev, V, Mandl, F, Marco, J, Marco, R, Marechal, B, Margoni, M, Marin, J, Mariotti, C, Markou, A, Martinez Rivero, C, Garcia, S, Masik, J, Mastroyiannopoulos, N, Matorras, F, Matteuzzi, C, Matthiae, G, Mazzucato, F, Mazzucato, M, Mc Cubbin, M, Mc Kay, R, Mc Nulty, R, Mc Pherson, G, Meroni, C, Meyer, W, Miagkov, A, Migliore, E, Mirabito, L, Mitaroff, W, Mjoernmark, U, Moa, T, Moch, M, Moeller, R, Moenig, K, Monge, M, Moraes, D, Moreau, X, Morettini, P, Morton, G, Mueller, U, Muenich, K, Mulders, M, Mulet Marquis, C, Muresan, R, Murray, W, Muryn, B, Myatt, G, Myklebust, T, Naraghi, F, Nassiakou, M, Navarria, F, Nawrocki, K, Negri, P, Neufeld, N, Nicolaidou, R, Nielsen, B, Niezurawski, P, Nikolenko, M, Nomokonov, V, Nygren, A, Obraztsov, V, Olshevski, A, Onofre, A, Orava, R, Orazi, G, Osterberg, K, Ouraou, A, Oyanguren, A, Paganoni, M, Paiano, S, Pain, R, Paiva, R, Palacios, J, Palka, H, Papadopoulou, T, Pape, L, Parkes, C, Parodi, F, Parzefall, U, Passeri, A, Passon, O, Pavel, T, Pegoraro, M, Peralta, L, Pernicka, M, Perrotta, A, Petridou, C, Petrolini, A, Phillips, H, Pierre, F, Pimenta, M, Piotto, E, Podobnik, T, Pol, M, Polok, G, Poropat, P, Pozdniakov, V, Privitera, P, Pukhaeva, N, Pullia, A, Radojicic, D, Ragazzi, S, Rahmani, H, Rames, J, Ratoff, P, Read, A, Rebecchi, P, Redaelli, N, Regler, M, Rehn, J, Reid, D, Reinertsen, P, Reinhardt, R, Renton, P, Resvanis, L, Richard, F, Ridky, J, Rinaudo, G, Ripp Baudot, I, Rohne, O, Romero, A, Ronchese, P, Rosenberg, E, Rosinsky, P, Roudeau, P, Rovelli, T, Royon, C, Ruhlmann Kleider, V, Ruiz, A, Saarikko, H, Sacquin, Y, Sadovsky, A, Sajot, G, Salt, J, Sampsonidis, D, Sannino, M, Savoy Navarro, A, Schwemling, P, Schwering, B, Schwickerath, U, Scuri, F, Seager, P, Sedykh, Y, Segar, A, Seibert, N, Sekulin, R, Sette, G, Shellard, R, Siebel, M, Simard, L, Simonetto, F, Sisakian, A, Smadja, G, Smirnova, O, Smith, G, Solovianov, O, Sopczak, A, Sosnowski, R, Spassov, T, Spiriti, E, Squarcia, S, Stanescu, C, Stanitzki, M, Stevenson, K, Stocchi, A, Strauss, J, Strub, R, Stugu, B, Szczekowski, M, Szeptycka, M, TABARELLI DE FATIS, T, Taffard, A, Tegenfeldt, F, Terranova, F, Timmermans, J, Tinti, N, Tkatchev, L, Tobin, M, Todorova, S, Tomaradze, A, Tome, B, Tonazzo, A, Tortora, L, Tortosa, P, Transtromer, G, Treille, D, Tristram, G, Trochimczuk, M, Troncon, C, Turluer, M, Tyapkin, I, Tyapkin, P, Tzamarias, S, Ullaland, O, Uvarov, V, Valenti, G, Vallazza, E, Van Dam, P, Van den Boeck, W, Van Doninck, W, Van Eldik, J, Van Lysebetten, A, van Remortel, N, Van Vulpen, I, Vegni, G, Ventura, L, Venus, W, Verbeure, F, Verdier, P, Verlato, M, Vertogradov, L, Verzi, V, Vilanova, D, Vitale, L, Vlasov, E, Vodopyanov, A, Voulgaris, G, Vrba, V, Wahlen, H, Walck, C, Washbrook, A, Weiser, C, Wicke, D, Wickens, J, Wilkinson, G, Winter, M, Witek, M, Wolf, G, Yi, J, Yushchenko, O, Zalewska, A, Zalewski, P, Zavrtanik, D, Zevgolatakos, E, Zimin, N, Zintchenko, A, Zoller, P, Zucchelli, G, Zumerle, G, Alekseev, GD, Allport, PP, Anassontzis, EG, Apel, WD, Augustin, JE, Bardin, DY, Becks, KH, Benekos, NC, Benvenuti, AC, Bilenky, MS, Bizouard, MA, Blom, HM, Booth, PSL, Bowcock, TJV, Brenner, RA, Brunet, JM, Gimenez, MVC, Cavallo, FR, Chelkov, GA, Crawley, HB, Maestro, JC, Durand, JD, Engel, JP, Santo, ME, Frodesen, AG, Gazis, EN, Caballero, IG, Harris, FJ, Hernandez, JJ, Heuser, JM, Holmgren, SO, Holt, PJ, Hughes, GJ, Jackson, JN, Johansson, EK, Katsoufis, EC, Kersevan, BP, Khomenko, BA, Khovanski, NN, Kjaer, NJ, Lamsa, JW, Lane, DW, Laugier, JP, Loken, JG, Lopes, JH, Lopez, JM, MacNaughton, J, Mahon, JR, Malmgren, TGM, Marin, JC, Garcia, SMI, Meyer, WT, Mitaroff, WA, Monge, MR, Murray, WJ, Navarria, FL, Nielsen, BS, Olshevski, AG, Papadopoulou, TD, Phillips, HT, Pol, ME, Ratoff, PN, Read, AL, Redaelli, NG, Renton, PB, Resvanis, LK, Rosenberg, EI, Segar, AM, Shellard, RC, Sisakian, AN, Smith, GR, Tkatchev, LG, Turluer, ML, Tyapkin, IA, Van Doninck, WK, Vertogradov, LS, Vodopyanov, AS, Washbrook, AJ, Wickens, JH, Wilkinson, GR, Zimin, NI, Zucchelli, GC, Zumerle, G., CALVI, MARTA, PAGANONI, MARCO, RAGAZZI, STEFANO, TABARELLI DE FATIS, TOMMASO, and TERRANOVA, FRANCESCO
Abstract: The cross-section for the process e(+)e(-) --> W+ W- has been measured with the data sample collected by DELPHI at an average centre-of-mass energy of 189 GeV and corresponding to an integrated luminosity of 155 pb(-1). Based on the 2392 events selected as WW candidates, the cross-section for the doubly resonant process e(+)e(-) --> W+W- has been measured to be 15.83 +/- 0.38 (stat) +/- 0.20(syst)pb. The branching fractions of the W decay were also measured and found to be in good agreement with the Standard Model expectation. From these a value of the CKM mixing matrix element \ V-cs\ = 1.001 +/- 0.040 (stat) +/- 0.020(syst) was derived. (C) 2000 Elsevier Science B.V. All rights reserved.
Published: 2000

96. Update of the search for charginos nearly mass-degenerate with the lightest neutralino

Author: Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, Alderweireld, T, Alekseev, G, Alemany, R, Allmendinger, T, Allport, P, Almehed, S, Amaldi, U, Amapane, N, Amato, S, Anassontzis, E, Andersson, P, Andreazza, A, Andringa, S, Antilogus, P, Apel, W, Arnoud, Y, Asman, B, Augustin, J, Augustinus, A, Baillon, P, Ballestrero, A, Bambade, P, Barao, F, Barbiellini, G, Barbier, R, Bardin, D, Barker, G, Baroncelli, A, Battaglia, M, Baubillier, M, Becks, K, Begalli, M, Behrmann, A, Beilliere, P, Belokopytov, Y, Benekos, N, Benvenuti, A, Berat, C, Berggren, M, Bertrand, D, Besancon, M, Bigi, M, Bilenky, M, Bizouard, M, Bloch, D, Blom, H, Bonesini, M, Boonekamp, M, Booth, P, Borgland, A, Borisov, G, Bosio, C, Botner, O, Boudinov, E, Bouquet, B, Bourdarios, C, Bowcock, T, Boyko, I, Bozovic, I, Bozzo, M, Bracko, M, Branchini, P, Brenner, R, Bruckman, P, Brunet, J, Bugge, L, Buran, T, Buschbeck, B, Buschmann, P, Cabrera, S, Caccia, M, Calvi, M, Camporesi, T, Canale, V, Carena, F, Carroll, L, Caso, C, Gimenez, M, Cattai, A, Cavallo, F, Chabaud, V, Charpentier, P, Checchia, P, Chelkov, G, Chierici, R, Chliapnikov, P, Chochula, P, Chorowicz, V, Chudoba, J, Cieslik, K, Collins, P, Contri, R, Cortina, E, Cosme, G, Cossutti, F, Crawley, H, Crennell, D, Crepe, S, Crosetti, G, Maestro, J, Czellar, S, Davenport, M, Da Silva, W, Della Ricca, G, Delpierre, P, Demaria, N, De Angelis, A, De Boer, W, De Clercq, C, De Lotto, B, De Min, A, De Paula, L, Dijkstra, H, Di Ciaccio, L, Dolbeau, J, Doroba, K, Dracos, M, Drees, J, Dris, M, Duperrin, A, Durand, J, Eigen, G, Ekelof, T, Ekspong, G, Ellert, M, Elsing, M, Engel, J, Santo, M, Fanourakis, G, Fassouliotis, D, Fayot, J, Feindt, M, Ferrer, A, Ferrer Ribas, E, Ferro, F, Fichet, S, Firestone, A, Flagmeyer, U, Foeth, H, Fokitis, E, Fontanelli, F, Franek, B, Frodesen, A, Fruhwirth, R, Fulda Quenzer, F, Fuster, J, Galloni, A, Gamba, D, Gamblin, S, Gandelman, M, Garcia, C, Gaspar, C, Gaspar, M, Gasparini, U, Gavillet, P, Gazis, E, Gele, D, Geralis, T, Gerdyukov, L, Ghodbane, N, Gil, I, Glege, F, Gokieli, R, Golob, B, Gomez Ceballos, G, Goncalves, P, Caballero, I, Gopal, G, Gorn, L, Gouz, Y, Gracco, V, Grahl, J, Graziani, E, Gris, P, Grosdidier, G, Grzelak, K, Guy, J, Haag, C, Hahn, F, Hahn, S, Haider, S, Hallgren, A, Hamacher, K, Hansen, J, Harris, F, Hauler, F, Hedberg, V, Heising, S, Hernandez, J, Herquet, P, Herr, H, Hessing, T, Heuser, J, Higon, E, Holmgren, S, Holt, P, Hoorelbeke, S, Houlden, M, Hrubec, J, Huber, M, Huet, K, Hughes, G, Hultqvist, K, Jackson, J, Jacobsson, R, Jalocha, P, Janik, R, Jarlskog, C, Jarlskog, G, Jarry, P, Jean Marie, B, Jeans, D, Johansson, E, Jonsson, P, Joram, C, Juillot, P, Jungermann, L, Kapusta, F, Karafasoulis, K, Katsanevas, S, Katsoufis, E, Keranen, P, Kernel, G, Kersevan, B, Khokhlov, Y, Khomenko, B, Khovanski, N, Kiiskinen, A, King, B, Kinvig, A, Kjaer, N, Klapp, O, Klein, H, Kluit, P, Kokkinias, P, Kostioukhine, V, Kourkoumelis, C, Kouznetsov, O, Krammer, M, Kriznic, E, Krumstein, Z, Kubinec, P, Kurowska, J, Kurvinen, K, Lamsa, J, Lane, D, Laugier, J, Lauhakangas, R, Leder, G, Ledroit, F, Lefebure, V, Leinonen, L, Leisos, A, Leitner, R, Lenzen, G, Lepeltier, V, Lesiak, T, Lethuillier, M, Libby, J, Liebig, W, Liko, D, Lipniacka, A, Lippi, I, Loerstad, B, Loken, J, Lopes, J, Lopez, J, Lopez Fernandez, R, Loukas, D, Lutz, P, Lyons, L, Macnaughton, J, Mahon, J, Maio, A, Malek, A, Malmgren, T, Maltezos, S, Malychev, V, Mandl, F, Marco, J, Marco, R, Marechal, B, Margoni, M, Marin, J, Mariotti, C, Markou, A, Martinez Rivero, C, Martinez Vidal, F, Garcia, S, Masik, J, Mastroyiannopoulos, N, Matorras, F, Matteuzzi, C, Matthiae, G, Mazzucato, F, Mazzucato, M, Mc Cubbin, M, Mc Kay, R, Mc Nulty, R, Pherson, G, Meroni, C, Meyer, W, Migliore, E, Mirabito, L, Mitaroff, W, Mjoernmark, U, Moa, T, Moch, M, Moeller, R, Moenig, K, Monge, M, Moraes, D, Moreau, X, Morettini, P, Morton, G, Mueller, U, Muenich, K, Mulders, M, Mulet Marquis, C, Muresan, R, Murray, W, Muryn, B, Myatt, G, Myklebust, T, Naraghi, F, Nassiakou, M, Navarria, F, Navas, S, Nawrocki, K, Negri, P, Neufeld, N, Nicolaidou, R, Nielsen, B, Niezurawski, P, Nikolenko, M, Nomokonov, V, Nygren, A, Obraztsov, V, Olshevski, A, Onofre, A, Orava, R, Orazi, G, Osterberg, K, Ouraou, A, Paganoni, M, Paiano, S, Pain, R, Paiva, R, Palacios, J, Palka, H, Papadopoulou, T, Pape, L, Parkes, C, Parodi, F, Parzefall, U, Passeri, A, Passon, O, Pavel, T, Pegoraro, M, Peralta, L, Pernicka, M, Perrotta, A, Petridou, C, Petrolini, A, Phillips, H, Pierre, F, Pimenta, M, Piotto, E, Podobnik, T, Pol, M, Polok, G, Poropat, P, Pozdniakov, V, Privitera, P, Pukhaeva, N, Pullia, A, Radojicic, D, Ragazzi, S, Rahmani, H, Rames, J, Ratoff, P, Read, A, Rebecchi, P, Redaelli, N, Regler, M, Rehn, J, Reid, D, Reinhardt, R, Renton, P, Resvanis, L, Richard, F, Ridky, J, Rinaudo, G, Ripp Baudot, I, Rohne, O, Romero, A, Ronchese, P, Rosenberg, E, Rosinsky, P, Roudeau, P, Rovelli, T, Royon, C, Ruhlmann Kleider, V, Ruiz, A, Saarikko, H, Sacquin, Y, Sadovsky, A, Sajot, G, Salt, J, Sampsonidis, D, Sannino, M, Schwemling, P, Schwering, B, Schwickerath, U, Scuri, F, Seager, P, Sedykh, Y, Segar, A, Seibert, N, Sekulin, R, Shellard, R, Siebel, M, Simard, L, Simonetto, F, Sisakian, A, Smadja, G, Smirnov, N, Smirnova, O, Smith, G, Sokolov, A, Sopczak, A, Sosnowski, R, Spassov, T, Spiriti, E, Squarcia, S, Stanescu, C, Stanic, S, Stanitzki, M, Stevenson, K, Stocchi, A, Strauss, J, Strub, R, Stugu, B, Szczekowski, M, Szeptycka, M, Tabarelli, T, Taffard, A, Tchikilev, O, Tegenfeldt, F, Terranova, F, Thomas, J, Timmermans, J, Tinti, N, Tkatchev, L, Tobin, M, Todorova, S, Tomaradze, A, Tome, B, Tonazzo, A, Tortora, L, Tortosa, P, Transtromer, G, Treille, D, Tristram, G, Trochimczuk, M, Troncon, C, Turluer, M, Tyapkin, I, Tyapkin, P, Tzamarias, S, Ullaland, O, Uvarov, V, Valenti, G, Vallazza, E, Van Dam, P, Van den Boeck, W, Van Eldik, J, Van Lysebetten, A, van Remortal, N, Van Vulpen, I, Vegni, G, Ventura, L, Venus, W, Verbeure, F, Verdier, P, Verlato, M, Vertogradov, L, Verzi, V, Vilanova, D, Vitale, L, Vlasov, E, Vodopyanov, A, Voulgaris, G, Vrba, V, Wahlen, H, Walck, C, Washbrook, A, Weiser, C, Wicke, D, Wickens, J, Wilkinson, G, Winter, M, Witek, M, Wolf, G, Yi, J, Yushchenko, O, Zalewska, A, Zalewski, P, Zavrtanik, D, Zevgolatakos, E, Zimin, N, Zintchenko, A, Zoller, P, Zucchelli, G, Zumerle, G, Alekseev, GD, Allport, PP, Anassontzis, EG, Apel, WD, Augustin, JE, Bardin, DY, Becks, KH, Benekos, NC, Benvenuti, AC, Bilenky, MS, Bizouard, MA, Blom, HM, Booth, PSL, Borgland, AW, Bowcock, TJV, Brenner, RA, Brunet, JM, CALVI, MARTA, Gimenez, MVC, Cavallo, FR, Chelkov, GA, Crawley, HB, Maestro, JC, Durand, JD, Engel, JP, Santo, ME, Frodesen, AG, Gazis, EN, Caballero, IG, Harris, FJ, Hernandez, JJ, Hessing, TL, Heuser, JM, Holmgren, SO, Holt, PJ, Hughes, GJ, Jackson, JN, Johansson, EK, Katsoufis, EC, Kersevan, BP, Khomenko, BA, Khovanski, NN, Kjaer, NJ, Lamsa, JW, Lane, DW, Laugier, JP, Loken, JG, Lopes, JH, Lopez, JM, MacNaughton, J, Mahon, JR, Malmgren, TGM, Marin, JC, Garcia, SMI, Pherson, GM, Meyer, WT, Mitaroff, WA, Monge, MR, Murray, WJ, Navarria, FL, NEGRI, PIETRO, Nielsen, BS, Olshevski, AG, PAGANONI, MARCO, Papadopoulou, TD, Phillips, HT, Pol, ME, PULLIA, ANTONINO, RAGAZZI, STEFANO, Ratoff, PN, Read, AL, Redaelli, NG, Renton, PB, Resvanis, LK, Rosenberg, EI, Segar, AM, Shellard, RC, Sisakian, AN, Smith, GR, Tkatchev, LG, Turluer, ML, Tyapkin, IA, Vertogradov, LS, Vodopyanov, AS, Washbrook, AJ, Wickens, JH, Wilkinson, GR, Zimin, NI, Zucchelli, GC, Zumerle, G., Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, Alderweireld, T, Alekseev, G, Alemany, R, Allmendinger, T, Allport, P, Almehed, S, Amaldi, U, Amapane, N, Amato, S, Anassontzis, E, Andersson, P, Andreazza, A, Andringa, S, Antilogus, P, Apel, W, Arnoud, Y, Asman, B, Augustin, J, Augustinus, A, Baillon, P, Ballestrero, A, Bambade, P, Barao, F, Barbiellini, G, Barbier, R, Bardin, D, Barker, G, Baroncelli, A, Battaglia, M, Baubillier, M, Becks, K, Begalli, M, Behrmann, A, Beilliere, P, Belokopytov, Y, Benekos, N, Benvenuti, A, Berat, C, Berggren, M, Bertrand, D, Besancon, M, Bigi, M, Bilenky, M, Bizouard, M, Bloch, D, Blom, H, Bonesini, M, Boonekamp, M, Booth, P, Borgland, A, Borisov, G, Bosio, C, Botner, O, Boudinov, E, Bouquet, B, Bourdarios, C, Bowcock, T, Boyko, I, Bozovic, I, Bozzo, M, Bracko, M, Branchini, P, Brenner, R, Bruckman, P, Brunet, J, Bugge, L, Buran, T, Buschbeck, B, Buschmann, P, Cabrera, S, Caccia, M, Calvi, M, Camporesi, T, Canale, V, Carena, F, Carroll, L, Caso, C, Gimenez, M, Cattai, A, Cavallo, F, Chabaud, V, Charpentier, P, Checchia, P, Chelkov, G, Chierici, R, Chliapnikov, P, Chochula, P, Chorowicz, V, Chudoba, J, Cieslik, K, Collins, P, Contri, R, Cortina, E, Cosme, G, Cossutti, F, Crawley, H, Crennell, D, Crepe, S, Crosetti, G, Maestro, J, Czellar, S, Davenport, M, Da Silva, W, Della Ricca, G, Delpierre, P, Demaria, N, De Angelis, A, De Boer, W, De Clercq, C, De Lotto, B, De Min, A, De Paula, L, Dijkstra, H, Di Ciaccio, L, Dolbeau, J, Doroba, K, Dracos, M, Drees, J, Dris, M, Duperrin, A, Durand, J, Eigen, G, Ekelof, T, Ekspong, G, Ellert, M, Elsing, M, Engel, J, Santo, M, Fanourakis, G, Fassouliotis, D, Fayot, J, Feindt, M, Ferrer, A, Ferrer Ribas, E, Ferro, F, Fichet, S, Firestone, A, Flagmeyer, U, Foeth, H, Fokitis, E, Fontanelli, F, Franek, B, Frodesen, A, Fruhwirth, R, Fulda Quenzer, F, Fuster, J, Galloni, A, Gamba, D, Gamblin, S, Gandelman, M, Garcia, C, Gaspar, C, Gaspar, M, Gasparini, U, Gavillet, P, Gazis, E, Gele, D, Geralis, T, Gerdyukov, L, Ghodbane, N, Gil, I, Glege, F, Gokieli, R, Golob, B, Gomez Ceballos, G, Goncalves, P, Caballero, I, Gopal, G, Gorn, L, Gouz, Y, Gracco, V, Grahl, J, Graziani, E, Gris, P, Grosdidier, G, Grzelak, K, Guy, J, Haag, C, Hahn, F, Hahn, S, Haider, S, Hallgren, A, Hamacher, K, Hansen, J, Harris, F, Hauler, F, Hedberg, V, Heising, S, Hernandez, J, Herquet, P, Herr, H, Hessing, T, Heuser, J, Higon, E, Holmgren, S, Holt, P, Hoorelbeke, S, Houlden, M, Hrubec, J, Huber, M, Huet, K, Hughes, G, Hultqvist, K, Jackson, J, Jacobsson, R, Jalocha, P, Janik, R, Jarlskog, C, Jarlskog, G, Jarry, P, Jean Marie, B, Jeans, D, Johansson, E, Jonsson, P, Joram, C, Juillot, P, Jungermann, L, Kapusta, F, Karafasoulis, K, Katsanevas, S, Katsoufis, E, Keranen, P, Kernel, G, Kersevan, B, Khokhlov, Y, Khomenko, B, Khovanski, N, Kiiskinen, A, King, B, Kinvig, A, Kjaer, N, Klapp, O, Klein, H, Kluit, P, Kokkinias, P, Kostioukhine, V, Kourkoumelis, C, Kouznetsov, O, Krammer, M, Kriznic, E, Krumstein, Z, Kubinec, P, Kurowska, J, Kurvinen, K, Lamsa, J, Lane, D, Laugier, J, Lauhakangas, R, Leder, G, Ledroit, F, Lefebure, V, Leinonen, L, Leisos, A, Leitner, R, Lenzen, G, Lepeltier, V, Lesiak, T, Lethuillier, M, Libby, J, Liebig, W, Liko, D, Lipniacka, A, Lippi, I, Loerstad, B, Loken, J, Lopes, J, Lopez, J, Lopez Fernandez, R, Loukas, D, Lutz, P, Lyons, L, Macnaughton, J, Mahon, J, Maio, A, Malek, A, Malmgren, T, Maltezos, S, Malychev, V, Mandl, F, Marco, J, Marco, R, Marechal, B, Margoni, M, Marin, J, Mariotti, C, Markou, A, Martinez Rivero, C, Martinez Vidal, F, Garcia, S, Masik, J, Mastroyiannopoulos, N, Matorras, F, Matteuzzi, C, Matthiae, G, Mazzucato, F, Mazzucato, M, Mc Cubbin, M, Mc Kay, R, Mc Nulty, R, Pherson, G, Meroni, C, Meyer, W, Migliore, E, Mirabito, L, Mitaroff, W, Mjoernmark, U, Moa, T, Moch, M, Moeller, R, Moenig, K, Monge, M, Moraes, D, Moreau, X, Morettini, P, Morton, G, Mueller, U, Muenich, K, Mulders, M, Mulet Marquis, C, Muresan, R, Murray, W, Muryn, B, Myatt, G, Myklebust, T, Naraghi, F, Nassiakou, M, Navarria, F, Navas, S, Nawrocki, K, Negri, P, Neufeld, N, Nicolaidou, R, Nielsen, B, Niezurawski, P, Nikolenko, M, Nomokonov, V, Nygren, A, Obraztsov, V, Olshevski, A, Onofre, A, Orava, R, Orazi, G, Osterberg, K, Ouraou, A, Paganoni, M, Paiano, S, Pain, R, Paiva, R, Palacios, J, Palka, H, Papadopoulou, T, Pape, L, Parkes, C, Parodi, F, Parzefall, U, Passeri, A, Passon, O, Pavel, T, Pegoraro, M, Peralta, L, Pernicka, M, Perrotta, A, Petridou, C, Petrolini, A, Phillips, H, Pierre, F, Pimenta, M, Piotto, E, Podobnik, T, Pol, M, Polok, G, Poropat, P, Pozdniakov, V, Privitera, P, Pukhaeva, N, Pullia, A, Radojicic, D, Ragazzi, S, Rahmani, H, Rames, J, Ratoff, P, Read, A, Rebecchi, P, Redaelli, N, Regler, M, Rehn, J, Reid, D, Reinhardt, R, Renton, P, Resvanis, L, Richard, F, Ridky, J, Rinaudo, G, Ripp Baudot, I, Rohne, O, Romero, A, Ronchese, P, Rosenberg, E, Rosinsky, P, Roudeau, P, Rovelli, T, Royon, C, Ruhlmann Kleider, V, Ruiz, A, Saarikko, H, Sacquin, Y, Sadovsky, A, Sajot, G, Salt, J, Sampsonidis, D, Sannino, M, Schwemling, P, Schwering, B, Schwickerath, U, Scuri, F, Seager, P, Sedykh, Y, Segar, A, Seibert, N, Sekulin, R, Shellard, R, Siebel, M, Simard, L, Simonetto, F, Sisakian, A, Smadja, G, Smirnov, N, Smirnova, O, Smith, G, Sokolov, A, Sopczak, A, Sosnowski, R, Spassov, T, Spiriti, E, Squarcia, S, Stanescu, C, Stanic, S, Stanitzki, M, Stevenson, K, Stocchi, A, Strauss, J, Strub, R, Stugu, B, Szczekowski, M, Szeptycka, M, Tabarelli, T, Taffard, A, Tchikilev, O, Tegenfeldt, F, Terranova, F, Thomas, J, Timmermans, J, Tinti, N, Tkatchev, L, Tobin, M, Todorova, S, Tomaradze, A, Tome, B, Tonazzo, A, Tortora, L, Tortosa, P, Transtromer, G, Treille, D, Tristram, G, Trochimczuk, M, Troncon, C, Turluer, M, Tyapkin, I, Tyapkin, P, Tzamarias, S, Ullaland, O, Uvarov, V, Valenti, G, Vallazza, E, Van Dam, P, Van den Boeck, W, Van Eldik, J, Van Lysebetten, A, van Remortal, N, Van Vulpen, I, Vegni, G, Ventura, L, Venus, W, Verbeure, F, Verdier, P, Verlato, M, Vertogradov, L, Verzi, V, Vilanova, D, Vitale, L, Vlasov, E, Vodopyanov, A, Voulgaris, G, Vrba, V, Wahlen, H, Walck, C, Washbrook, A, Weiser, C, Wicke, D, Wickens, J, Wilkinson, G, Winter, M, Witek, M, Wolf, G, Yi, J, Yushchenko, O, Zalewska, A, Zalewski, P, Zavrtanik, D, Zevgolatakos, E, Zimin, N, Zintchenko, A, Zoller, P, Zucchelli, G, Zumerle, G, Alekseev, GD, Allport, PP, Anassontzis, EG, Apel, WD, Augustin, JE, Bardin, DY, Becks, KH, Benekos, NC, Benvenuti, AC, Bilenky, MS, Bizouard, MA, Blom, HM, Booth, PSL, Borgland, AW, Bowcock, TJV, Brenner, RA, Brunet, JM, CALVI, MARTA, Gimenez, MVC, Cavallo, FR, Chelkov, GA, Crawley, HB, Maestro, JC, Durand, JD, Engel, JP, Santo, ME, Frodesen, AG, Gazis, EN, Caballero, IG, Harris, FJ, Hernandez, JJ, Hessing, TL, Heuser, JM, Holmgren, SO, Holt, PJ, Hughes, GJ, Jackson, JN, Johansson, EK, Katsoufis, EC, Kersevan, BP, Khomenko, BA, Khovanski, NN, Kjaer, NJ, Lamsa, JW, Lane, DW, Laugier, JP, Loken, JG, Lopes, JH, Lopez, JM, MacNaughton, J, Mahon, JR, Malmgren, TGM, Marin, JC, Garcia, SMI, Pherson, GM, Meyer, WT, Mitaroff, WA, Monge, MR, Murray, WJ, Navarria, FL, NEGRI, PIETRO, Nielsen, BS, Olshevski, AG, PAGANONI, MARCO, Papadopoulou, TD, Phillips, HT, Pol, ME, PULLIA, ANTONINO, RAGAZZI, STEFANO, Ratoff, PN, Read, AL, Redaelli, NG, Renton, PB, Resvanis, LK, Rosenberg, EI, Segar, AM, Shellard, RC, Sisakian, AN, Smith, GR, Tkatchev, LG, Turluer, ML, Tyapkin, IA, Vertogradov, LS, Vodopyanov, AS, Washbrook, AJ, Wickens, JH, Wilkinson, GR, Zimin, NI, Zucchelli, GC, and Zumerle, G.
Abstract: The data collected by DELPHI in 1998 at the centre-of-mass energy of 189 GeV have been used to update the search for charginos nearly mass-degenerate with the lightest supersymmetric particle, which is assumed to be the lightest neutralino. Mass differences below Delta M = 3 GeV/c(2) are considered. No excess of events with respect to the Standard Model expectation has been observed, and exclusions in the plane of Delta M versus chargino mass are given. The new Delta M independent lower limit on the mass of the chargino is 62.4 GeV/c(2) in the higgsino scenario (which includes the gaugino mass unification scenario), if all sfermions are heavier than the lightest chargino. In the approximation of large sfermion masses the limit is 59.8 GeV/c(2), independently of the field content. (C) 2000 Published by Elsevier Science B.V.
Published: 2000

97. Hadronization properties of b quarks compared to light quarks in e+e- →qq from 183 to 200 GeV

Author: Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, Alekseev, G, Alemany, R, Allmendinger, T, Allport, P, Almehed, S, Amaldi, U, Amapane, N, Amato, S, Anassontzis, E, Andersson, P, Andreazza, A, Andringa, S, Antilogus, P, Apel, W, Arnoud, Y, Asman, B, Augustin, J, Augustinus, A, Baillon, P, Ballestrero, A, Bambade, P, Barao, F, Barbiellini, G, Barbier, R, Bardin, D, Barker, G, Baroncelli, A, Battaglia, M, Baubillier, M, Becks, K, Begalli, M, Behrmann, A, Beilliere, P, Belokopytov, Y, Belous, K, Benekos, N, Benvenuti, A, Berat, C, Berggren, M, Bertrand, D, Besancon, M, Bigi, M, Bilenky, M, Bizouard, M, Bloch, D, Blom, H, Bonesini, M, Boonekamp, M, Booth, P, Borisov, G, Bosio, C, Botner, O, Boudinov, E, Bouquet, B, Bourdarios, C, Bowcock, T, Boyko, I, Bozovic, I, Bozzo, M, Bracko, M, Branchini, P, Brenner, R, Bruckman, P, Brunet, J, Bugge, L, Buran, T, Buschbeck, B, Buschmann, P, Cabrera, S, Caccia, M, Calvi, M, Camporesi, T, Canale, V, Carena, F, Carroll, L, Caso, C, Gimenez, M, Cattai, A, Cavallo, F, Chabaud, V, Chapkin, M, Charpentier, P, Checchia, P, Chelkov, G, Chierici, R, Chliapnikov, P, Chochula, P, Chorowicz, V, Chudoba, J, Cieslik, K, Collins, P, Contri, R, Cortina, E, Cosme, G, Cossutti, F, Costa, M, Crawley, H, Crennell, D, Crepe, S, Crosetti, G, Maestro, J, Czellar, S, Davenport, M, Da Silva, W, Della Ricca, G, Delpierre, P, Demaria, N, De Angelis, A, De Boer, W, De Clercq, C, De Lotto, B, De Min, A, De Paula, L, Dijkstra, H, Di Ciaccio, L, Dolbeau, J, Doroba, K, Dracos, M, Drees, J, Dris, M, Duperrin, A, Durand, J, Eigen, G, Ekelof, T, Ekspong, G, Ellert, M, Elsing, M, Engel, J, Santo, M, Fanourakis, G, Fassouliotis, D, Fayot, J, Feindt, M, Ferrer, A, Ferrer Ribas, E, Ferro, F, Fichet, S, Firestone, A, Flagmeyer, U, Foeth, H, Fokitis, E, Fontanelli, F, Franek, B, Frodesen, A, Fruhwirth, R, Fulda Quenzer, F, Fuster, J, Galloni, A, Gamba, D, Gamblin, S, Gandelman, M, Garcia, C, Gaspar, C, Gaspar, M, Gasparini, U, Gavillet, P, Gazis, E, Gele, D, Geralis, T, Ghodbane, N, Gil, I, Glege, F, Gokieli, R, Golob, B, Gomez Ceballos, G, Goncalves, P, Caballero, I, Gopal, G, Gorn, L, Gouz, Y, Gracco, V, Grahl, J, Graziani, E, Gris, P, Grosdidier, G, Grzelak, K, Guy, J, Haag, C, Hahn, F, Hahn, S, Haider, S, Hallgren, A, Hamacher, K, Hansen, J, Harris, F, Hauler, F, Hedberg, V, Heising, S, Hernandez, J, Herquet, P, Herr, H, Hessing, T, Heuser, J, Higon, E, Holmgren, S, Holt, P, Hoorelbeke, S, Houlden, M, Hrubec, J, Huber, M, Huet, K, Hughes, G, Hultqvist, K, Jackson, J, Jacobsson, R, Jalocha, P, Janik, R, Jarlskog, C, Jarlskog, G, Jarry, P, Jean Marie, B, Jeans, D, Johansson, E, Jonsson, P, Joram, C, Juillot, P, Jungermann, L, Kapusta, F, Karafasoulis, K, Katsanevas, S, Katsoufis, E, Keranen, R, Kernel, G, Kersevan, B, Khokhlov, Y, Khomenko, B, Khovanski, N, Kiiskinen, A, King, B, Kinvig, A, Kjaer, N, Klapp, O, Klein, H, Kluit, P, Kokkinias, P, Kostioukhine, V, Kourkoumelis, C, Kouznetsov, O, Krammer, M, Kriznic, E, Krumstein, Z, Kubinec, P, Kurowska, J, Kurvinen, K, Lamsa, J, Lane, D, Lapin, V, Laugier, J, Lauhakangas, R, Leder, G, Ledroit, F, Lefebure, V, Leinonen, L, Leisos, A, Leitner, R, Lenzen, G, Lepeltier, V, Lesiak, T, Lethuillier, M, Libby, J, Liebig, W, Liko, D, Lipniacka, A, Lippi, I, Loerstad, B, Loken, J, Lopes, J, Lopez, J, Lopez Fernandez, R, Loukas, D, Lutz, P, Lyons, L, Macnaughton, J, Mahon, J, Maio, A, Malek, A, Malmgren, T, Maltezos, S, Malychev, V, Mandl, F, Marco, J, Marco, R, Marechal, B, Margoni, M, Marin, J, Mariotti, C, Markou, A, Martinez Rivero, C, Garcia, S, Masik, J, Mastroyiannopoulos, N, Matorras, F, Matteuzzi, C, Matthiae, G, Mazzucato, F, Mazzucato, M, Mc Cubbin, M, Mc Kay, R, Mc Nulty, R, Mc Pherson, G, Meroni, C, Meyer, W, Miagkov, A, Migliore, E, Mirabito, L, Mitaroff, W, Mjoernmark, U, Moa, T, Moch, M, Moeller, R, Moenig, K, Monge, M, Moraes, D, Moreau, X, Morettini, P, Morton, G, Mueller, U, Muenich, K, Mulders, M, Mulet Marquis, C, Muresan, R, Murray, W, Muryn, B, Myatt, G, Myklebust, T, Naraghi, F, Nassiakou, M, Navarria, F, Nawrocki, K, Negri, P, Neufeld, N, Nicolaidou, R, Nielsen, B, Niezurawski, P, Nikolenko, M, Nomokonov, V, Nygren, A, Obraztsov, V, Olshevski, A, Onofre, A, Orava, R, Orazi, G, Osterberg, K, Ouraou, A, Oyanguren, A, Paganoni, M, Paiano, S, Pain, R, Paiva, R, Palacios, J, Palka, H, Papadopoulou, T, Pape, L, Parkes, C, Parodi, F, Parzefall, U, Passeri, A, Passon, O, Pavel, T, Pegoraro, M, Peralta, L, Pernicka, M, Perrotta, A, Petridou, C, Petrolini, A, Phillips, H, Pierre, F, Pimenta, M, Piotto, E, Podobnik, T, Pol, M, Polok, G, Poropat, P, Pozdniakov, V, Privitera, P, Pukhaeva, N, Pullia, A, Radojicic, D, Ragazzi, S, Rahmani, H, Rames, J, Ratoff, P, Read, A, Rebecchi, P, Redaelli, N, Regler, M, Rehn, J, Reid, D, Reinertsen, P, Reinhardt, R, Renton, P, Resvanis, L, Richard, F, Ridky, J, Rinaudo, G, Ripp Baudot, I, Rohne, O, Romero, A, Ronchese, P, Rosenberg, E, Rosinsky, P, Roudeau, P, Rovelli, T, Royon, C, Ruhlmann Kleider, V, Ruiz, A, Saarikko, H, Sacquin, Y, Sadovsky, A, Sajot, G, Salt, J, Sampsonidis, D, Sannino, M, Schwemling, P, Schwering, B, Schwickerath, U, Scuri, F, Seager, P, Sedykh, Y, Segar, A, Seibert, N, Sekulin, R, Shellard, R, Siebel, M, Simard, L, Simonetto, F, Sisakian, A, Smadja, G, Smirnova, O, Smith, G, Solovianov, O, Sopczak, A, Sosnowski, R, Spassov, T, Spiriti, E, Squarcia, S, Stanescu, C, Stanic, S, Stanitzki, M, Stevenson, K, Stocchi, A, Strauss, J, Strub, R, Stugu, B, Szczekowski, M, Szeptycka, M, TABARELLI DE FATIS, T, Taffard, A, Tegenfeldt, F, Terranova, F, Thomas, J, Timmermans, J, Tinti, N, Tkatchev, L, Tobin, M, Todorova, S, Tomaradze, A, Tome, B, Tonazzo, A, Tortora, L, Tortosa, P, Transtromer, G, Treille, D, Tristram, G, Trochimczuk, M, Troncon, C, Turluer, M, Tyapkin, I, Tyapkin, P, Tzamarias, S, Ullaland, O, Uvarov, V, Valenti, G, Vallazza, E, Van Dam, P, Van den Boeck, W, Van Eldik, J, Van Lysebetten, A, van Remortel, N, Van Vulpen, I, Vegni, G, Ventura, L, Venus, W, Verbeure, F, Verdier, P, Verlato, M, Vertogradov, L, Verzi, V, Vilanova, D, Vitale, L, Vlasov, E, Vodopyanov, A, Voulgaris, G, Vrba, V, Wahlen, H, Walck, C, Washbrook, A, Weiser, C, Wicke, D, Wickens, J, Wilkinson, G, Winter, M, Witek, M, Wolf, G, Yi, J, Yushchenko, O, Zalewska, A, Zalewski, P, Zavrtanik, D, Zevgolatakos, E, Zimin, N, Zintchenko, A, Zoller, P, Zucchelli, G, Zumerle, G, Alekseev, GD, Allport, PP, Anassontzis, EG, Apel, WD, Augustin, JE, Bardin, DY, Becks, KH, Benekos, NC, Benvenuti, AC, Bilenky, MS, Bizouard, MA, Blom, HM, Booth, PSL, Bowcock, TJV, Brenner, RA, Brunet, JM, Gimenez, MVC, Cavallo, FR, Chelkov, GA, Crawley, HB, Maestro, JC, Durand, JD, Engel, JP, Santo, ME, Frodesen, AG, Gazis, EN, Caballero, IG, Harris, FJ, Hernandez, JJ, Hessing, TL, Heuser, JM, Holmgren, SO, Holt, PJ, Hughes, GJ, Jackson, JN, Johansson, EK, Katsoufis, EC, Kersevan, BP, Khomenko, BA, Khovanski, NN, Kjaer, NJ, Lamsa, JW, Lane, DW, Laugier, JP, Loken, JG, Lopes, JH, Lopez, JM, MacNaughton, J, Mahon, JR, Malmgren, TGM, Marin, JC, Garcia, SMI, Meyer, WT, Mitaroff, WA, Monge, MR, Murray, WJ, Navarria, FL, Nielsen, BS, Olshevski, AG, Papadopoulou, TD, Phillips, HT, Pol, ME, Ratoff, PN, Read, AL, Redaelli, NG, Renton, PB, Resvanis, LK, Rosenberg, EI, Segar, AM, Shellard, RC, Sisakian, AN, Smith, GR, TERRANOVA, FRANCESCO, Tkatchev, LG, Turluer, ML, Tyapkin, IA, Vertogradov, LS, Vodopyanov, AS, Washbrook, AJ, Wickens, JH, Wilkinson, GR, Zimin, NI, Zucchelli, GC, Zumerle, G., CALVI, MARTA, PAGANONI, MARCO, RAGAZZI, STEFANO, TABARELLI DE FATIS, TOMMASO, Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, Alekseev, G, Alemany, R, Allmendinger, T, Allport, P, Almehed, S, Amaldi, U, Amapane, N, Amato, S, Anassontzis, E, Andersson, P, Andreazza, A, Andringa, S, Antilogus, P, Apel, W, Arnoud, Y, Asman, B, Augustin, J, Augustinus, A, Baillon, P, Ballestrero, A, Bambade, P, Barao, F, Barbiellini, G, Barbier, R, Bardin, D, Barker, G, Baroncelli, A, Battaglia, M, Baubillier, M, Becks, K, Begalli, M, Behrmann, A, Beilliere, P, Belokopytov, Y, Belous, K, Benekos, N, Benvenuti, A, Berat, C, Berggren, M, Bertrand, D, Besancon, M, Bigi, M, Bilenky, M, Bizouard, M, Bloch, D, Blom, H, Bonesini, M, Boonekamp, M, Booth, P, Borisov, G, Bosio, C, Botner, O, Boudinov, E, Bouquet, B, Bourdarios, C, Bowcock, T, Boyko, I, Bozovic, I, Bozzo, M, Bracko, M, Branchini, P, Brenner, R, Bruckman, P, Brunet, J, Bugge, L, Buran, T, Buschbeck, B, Buschmann, P, Cabrera, S, Caccia, M, Calvi, M, Camporesi, T, Canale, V, Carena, F, Carroll, L, Caso, C, Gimenez, M, Cattai, A, Cavallo, F, Chabaud, V, Chapkin, M, Charpentier, P, Checchia, P, Chelkov, G, Chierici, R, Chliapnikov, P, Chochula, P, Chorowicz, V, Chudoba, J, Cieslik, K, Collins, P, Contri, R, Cortina, E, Cosme, G, Cossutti, F, Costa, M, Crawley, H, Crennell, D, Crepe, S, Crosetti, G, Maestro, J, Czellar, S, Davenport, M, Da Silva, W, Della Ricca, G, Delpierre, P, Demaria, N, De Angelis, A, De Boer, W, De Clercq, C, De Lotto, B, De Min, A, De Paula, L, Dijkstra, H, Di Ciaccio, L, Dolbeau, J, Doroba, K, Dracos, M, Drees, J, Dris, M, Duperrin, A, Durand, J, Eigen, G, Ekelof, T, Ekspong, G, Ellert, M, Elsing, M, Engel, J, Santo, M, Fanourakis, G, Fassouliotis, D, Fayot, J, Feindt, M, Ferrer, A, Ferrer Ribas, E, Ferro, F, Fichet, S, Firestone, A, Flagmeyer, U, Foeth, H, Fokitis, E, Fontanelli, F, Franek, B, Frodesen, A, Fruhwirth, R, Fulda Quenzer, F, Fuster, J, Galloni, A, Gamba, D, Gamblin, S, Gandelman, M, Garcia, C, Gaspar, C, Gaspar, M, Gasparini, U, Gavillet, P, Gazis, E, Gele, D, Geralis, T, Ghodbane, N, Gil, I, Glege, F, Gokieli, R, Golob, B, Gomez Ceballos, G, Goncalves, P, Caballero, I, Gopal, G, Gorn, L, Gouz, Y, Gracco, V, Grahl, J, Graziani, E, Gris, P, Grosdidier, G, Grzelak, K, Guy, J, Haag, C, Hahn, F, Hahn, S, Haider, S, Hallgren, A, Hamacher, K, Hansen, J, Harris, F, Hauler, F, Hedberg, V, Heising, S, Hernandez, J, Herquet, P, Herr, H, Hessing, T, Heuser, J, Higon, E, Holmgren, S, Holt, P, Hoorelbeke, S, Houlden, M, Hrubec, J, Huber, M, Huet, K, Hughes, G, Hultqvist, K, Jackson, J, Jacobsson, R, Jalocha, P, Janik, R, Jarlskog, C, Jarlskog, G, Jarry, P, Jean Marie, B, Jeans, D, Johansson, E, Jonsson, P, Joram, C, Juillot, P, Jungermann, L, Kapusta, F, Karafasoulis, K, Katsanevas, S, Katsoufis, E, Keranen, R, Kernel, G, Kersevan, B, Khokhlov, Y, Khomenko, B, Khovanski, N, Kiiskinen, A, King, B, Kinvig, A, Kjaer, N, Klapp, O, Klein, H, Kluit, P, Kokkinias, P, Kostioukhine, V, Kourkoumelis, C, Kouznetsov, O, Krammer, M, Kriznic, E, Krumstein, Z, Kubinec, P, Kurowska, J, Kurvinen, K, Lamsa, J, Lane, D, Lapin, V, Laugier, J, Lauhakangas, R, Leder, G, Ledroit, F, Lefebure, V, Leinonen, L, Leisos, A, Leitner, R, Lenzen, G, Lepeltier, V, Lesiak, T, Lethuillier, M, Libby, J, Liebig, W, Liko, D, Lipniacka, A, Lippi, I, Loerstad, B, Loken, J, Lopes, J, Lopez, J, Lopez Fernandez, R, Loukas, D, Lutz, P, Lyons, L, Macnaughton, J, Mahon, J, Maio, A, Malek, A, Malmgren, T, Maltezos, S, Malychev, V, Mandl, F, Marco, J, Marco, R, Marechal, B, Margoni, M, Marin, J, Mariotti, C, Markou, A, Martinez Rivero, C, Garcia, S, Masik, J, Mastroyiannopoulos, N, Matorras, F, Matteuzzi, C, Matthiae, G, Mazzucato, F, Mazzucato, M, Mc Cubbin, M, Mc Kay, R, Mc Nulty, R, Mc Pherson, G, Meroni, C, Meyer, W, Miagkov, A, Migliore, E, Mirabito, L, Mitaroff, W, Mjoernmark, U, Moa, T, Moch, M, Moeller, R, Moenig, K, Monge, M, Moraes, D, Moreau, X, Morettini, P, Morton, G, Mueller, U, Muenich, K, Mulders, M, Mulet Marquis, C, Muresan, R, Murray, W, Muryn, B, Myatt, G, Myklebust, T, Naraghi, F, Nassiakou, M, Navarria, F, Nawrocki, K, Negri, P, Neufeld, N, Nicolaidou, R, Nielsen, B, Niezurawski, P, Nikolenko, M, Nomokonov, V, Nygren, A, Obraztsov, V, Olshevski, A, Onofre, A, Orava, R, Orazi, G, Osterberg, K, Ouraou, A, Oyanguren, A, Paganoni, M, Paiano, S, Pain, R, Paiva, R, Palacios, J, Palka, H, Papadopoulou, T, Pape, L, Parkes, C, Parodi, F, Parzefall, U, Passeri, A, Passon, O, Pavel, T, Pegoraro, M, Peralta, L, Pernicka, M, Perrotta, A, Petridou, C, Petrolini, A, Phillips, H, Pierre, F, Pimenta, M, Piotto, E, Podobnik, T, Pol, M, Polok, G, Poropat, P, Pozdniakov, V, Privitera, P, Pukhaeva, N, Pullia, A, Radojicic, D, Ragazzi, S, Rahmani, H, Rames, J, Ratoff, P, Read, A, Rebecchi, P, Redaelli, N, Regler, M, Rehn, J, Reid, D, Reinertsen, P, Reinhardt, R, Renton, P, Resvanis, L, Richard, F, Ridky, J, Rinaudo, G, Ripp Baudot, I, Rohne, O, Romero, A, Ronchese, P, Rosenberg, E, Rosinsky, P, Roudeau, P, Rovelli, T, Royon, C, Ruhlmann Kleider, V, Ruiz, A, Saarikko, H, Sacquin, Y, Sadovsky, A, Sajot, G, Salt, J, Sampsonidis, D, Sannino, M, Schwemling, P, Schwering, B, Schwickerath, U, Scuri, F, Seager, P, Sedykh, Y, Segar, A, Seibert, N, Sekulin, R, Shellard, R, Siebel, M, Simard, L, Simonetto, F, Sisakian, A, Smadja, G, Smirnova, O, Smith, G, Solovianov, O, Sopczak, A, Sosnowski, R, Spassov, T, Spiriti, E, Squarcia, S, Stanescu, C, Stanic, S, Stanitzki, M, Stevenson, K, Stocchi, A, Strauss, J, Strub, R, Stugu, B, Szczekowski, M, Szeptycka, M, TABARELLI DE FATIS, T, Taffard, A, Tegenfeldt, F, Terranova, F, Thomas, J, Timmermans, J, Tinti, N, Tkatchev, L, Tobin, M, Todorova, S, Tomaradze, A, Tome, B, Tonazzo, A, Tortora, L, Tortosa, P, Transtromer, G, Treille, D, Tristram, G, Trochimczuk, M, Troncon, C, Turluer, M, Tyapkin, I, Tyapkin, P, Tzamarias, S, Ullaland, O, Uvarov, V, Valenti, G, Vallazza, E, Van Dam, P, Van den Boeck, W, Van Eldik, J, Van Lysebetten, A, van Remortel, N, Van Vulpen, I, Vegni, G, Ventura, L, Venus, W, Verbeure, F, Verdier, P, Verlato, M, Vertogradov, L, Verzi, V, Vilanova, D, Vitale, L, Vlasov, E, Vodopyanov, A, Voulgaris, G, Vrba, V, Wahlen, H, Walck, C, Washbrook, A, Weiser, C, Wicke, D, Wickens, J, Wilkinson, G, Winter, M, Witek, M, Wolf, G, Yi, J, Yushchenko, O, Zalewska, A, Zalewski, P, Zavrtanik, D, Zevgolatakos, E, Zimin, N, Zintchenko, A, Zoller, P, Zucchelli, G, Zumerle, G, Alekseev, GD, Allport, PP, Anassontzis, EG, Apel, WD, Augustin, JE, Bardin, DY, Becks, KH, Benekos, NC, Benvenuti, AC, Bilenky, MS, Bizouard, MA, Blom, HM, Booth, PSL, Bowcock, TJV, Brenner, RA, Brunet, JM, Gimenez, MVC, Cavallo, FR, Chelkov, GA, Crawley, HB, Maestro, JC, Durand, JD, Engel, JP, Santo, ME, Frodesen, AG, Gazis, EN, Caballero, IG, Harris, FJ, Hernandez, JJ, Hessing, TL, Heuser, JM, Holmgren, SO, Holt, PJ, Hughes, GJ, Jackson, JN, Johansson, EK, Katsoufis, EC, Kersevan, BP, Khomenko, BA, Khovanski, NN, Kjaer, NJ, Lamsa, JW, Lane, DW, Laugier, JP, Loken, JG, Lopes, JH, Lopez, JM, MacNaughton, J, Mahon, JR, Malmgren, TGM, Marin, JC, Garcia, SMI, Meyer, WT, Mitaroff, WA, Monge, MR, Murray, WJ, Navarria, FL, Nielsen, BS, Olshevski, AG, Papadopoulou, TD, Phillips, HT, Pol, ME, Ratoff, PN, Read, AL, Redaelli, NG, Renton, PB, Resvanis, LK, Rosenberg, EI, Segar, AM, Shellard, RC, Sisakian, AN, Smith, GR, TERRANOVA, FRANCESCO, Tkatchev, LG, Turluer, ML, Tyapkin, IA, Vertogradov, LS, Vodopyanov, AS, Washbrook, AJ, Wickens, JH, Wilkinson, GR, Zimin, NI, Zucchelli, GC, Zumerle, G., CALVI, MARTA, PAGANONI, MARCO, RAGAZZI, STEFANO, and TABARELLI DE FATIS, TOMMASO
Abstract: The DELPHI detector at LEP has collected 54 pb(-1) of data at a centre-of-mass energy around 183 GeV during 1997, 158 pb(-1) around 189 GeV during 1998, and 187 pb(-1) between 192 and 200 GeV during 1999. These data were used to measure the average charged particle multiplicity in e(+)e(-)->b (b) over bar events: (n)(b (b) over bar), and the difference delta(hl) between (n)(b (b) over bar) and the multiplicity, (n)(l (l) over bar), in generic light quark (u,d,s) events: delta(hl)(183 GeV) = 4.55 +/- 1.31(stat) +/- 0.73(syst), delta(hl)(189 GeV) = 4.43 +/- 0.85(stat) +/- 0.61(syst), delta(hl)(200 GeV) = 3.39 +/- 0.89(stat) +/- 1.01 (syst). This result is consistent with QCD predictions, while it is inconsistent with calculations assuming that the multiplicity accompanying the decay of a heavy quark is independent of the: mass of the quark itself. (C) 2000 Elsevier Science B.V. All rights reserved.
Published: 2000

98. Search for supersymmetric partners of top and bottom quarks at √s= 189 GeV

Author: Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, Alderweireld, T, Alekseev, G, Alemany, R, Allmendinger, T, Allport, P, Almehed, S, Amaldi, U, Amapane, N, Amato, S, Anassontzis, E, Andersson, P, Andreazza, A, Andringa, S, Antilogus, P, Apel, W, Arnoud, Y, Asman, B, Augustin, J, Augustinus, A, Baillon, P, Ballestrero, A, Bambade, P, Barao, F, Barbiellini, G, Barbier, R, Bardin, D, Barker, G, Baroncelli, A, Battaglia, M, Baubillier, M, Becks, K, Begalli, M, Behrmann, A, Beilliere, P, Belokopytov, Y, Benekos, N, Benvenuti, A, Berat, C, Berggren, M, Bertrand, D, Besancon, M, Bigi, M, Bilenky, M, Bizouard, M, Bloch, D, Blom, H, Bonesini, M, Boonekamp, M, Booth, P, Borgland, W, Borisov, G, Bosio, C, Botner, O, Boudinov, E, Bouquet, B, Bourdarios, C, Bowcock, T, Boyko, I, Bozovic, I, Bozzo, M, Bracko, M, Branchini, P, Brenner, R, Bruckman, P, Brunet, J, Bugge, L, Buran, T, Buschbeck, B, Buschmann, P, Cabrera, S, Caccia, M, Calvi, M, Camporesi, T, Canale, V, Carena, F, Carroll, L, Caso, C, Gimenez, M, Cattai, A, Cavallo, F, Chabaud, V, Charpentier, P, Checchia, P, Chelkov, G, Chierici, R, Chliapnikov, P, Chochula, P, Chorowicz, V, Chudoba, J, Cieslik, K, Collins, P, Contri, R, Cortina, E, Cosme, G, Cossutti, F, Crawley, H, Crennell, D, Crepe, S, Crosetti, G, Maestro, J, Czellar, S, Davenport, M, Da Silva, W, Della Ricca, G, Delpierre, P, Demaria, N, De Angelis, A, De Boer, W, De Clercq, C, De Lotto, B, De Min, A, De Paula, L, Dijkstra, H, Di Ciaccio, L, Dolbeau, J, Doroba, K, Dracos, M, Drees, J, Dris, M, Duperrin, A, Durand, J, Eigen, G, Ekelof, T, Ekspong, G, Ellert, M, Elsing, M, Engel, J, Santo, M, Fanourakis, G, Fassouliotis, D, Fayot, J, Feindt, M, Ferrer, A, Ferrer Ribas, E, Ferro, F, Fichet, S, Firestone, A, Flagmeyer, U, Foeth, H, Fokitis, E, Fontanelli, F, Franek, B, Frodesen, A, Fruhwirth, R, Fulda Quenzer, F, Fuster, J, Galloni, A, Gamba, D, Gamblin, S, Gandelman, M, Garcia, C, Gaspar, C, Gaspar, M, Gasparini, U, Gavillet, P, Gazis, E, Gele, D, Geralis, T, Gerdyukov, L, Ghodbane, N, Gil, I, Glege, F, Gokieli, R, Golob, B, Gomez Ceballos, G, Goncalves, P, Caballero, I, Gopal, G, Gorn, L, Gouz, Y, Gracco, V, Grahl, J, Graziani, E, Gris, P, Grosdidier, G, Grzelak, K, Guy, J, Haag, C, Hahn, F, Hahn, S, Haider, S, Hallgren, A, Hamacher, K, Hansen, J, Harris, F, Hedberg, V, Heising, S, Hernandez, J, Herquet, P, Herr, H, Hessing, T, Heuser, J, Higon, E, Holmgren, S, Holt, P, Hoorelbeke, S, Houlden, M, Hrubec, J, Huber, M, Huet, K, Hughes, G, Hultqvist, K, Jackson, J, Jacobsson, R, Jalocha, P, Janik, R, Jarlskog, C, Jarlskog, G, Jarry, P, Jean Marie, B, Jeans, D, Johansson, E, Jonsson, P, Joram, C, Juillot, P, Jungermann, L, Kapusta, F, Karafasoulis, K, Katsanevas, S, Katsoufis, E, Keranen, R, Kernel, G, Kersevan, B, Khokhlov, Y, Khomenko, B, Khovanski, N, Kiiskinen, A, King, B, Kinvig, A, Kjaer, N, Klapp, O, Klein, H, Kluit, P, Kokkinias, P, Kostioukhine, V, Kourkoumelis, C, Kouznetsov, O, Krammer, M, Kriznic, E, Krumstein, Z, Kubinec, P, Kurowska, J, Kurvinen, K, Lamsa, J, Lane, D, Lapin, V, Laugier, J, Lauhakangas, R, Leder, G, Ledroit, F, Lefebure, V, Leinonen, L, Leisos, A, Leitner, R, Lemonne, J, Lenzen, G, Lepeltier, V, Lesiak, T, Lethuillier, M, Libby, J, Liebig, W, Liko, D, Lipniacka, A, Lippi, I, Loerstad, B, Loken, J, Lopes, J, Lopez, J, Lopez Fernandez, R, Loukas, D, Lutz, P, Lyons, L, Macnaughton, J, Mahon, J, Maio, A, Malek, A, Malmgren, T, Maltezos, S, Malychev, V, Mandl, F, Marco, J, Marco, R, Marechal, B, Margoni, M, Marin, J, Mariotti, C, Markou, A, Martinez Rivero, C, Martinez Vidal, F, Garcia, S, Masik, J, Mastroyiannopoulos, N, Matorras, F, Matteuzzi, C, Matthiae, G, Mazzucato, F, Mazzucato, M, Mc Cubbin, M, Mc Kay, R, Mc Nulty, R, Mc Pherson, G, Meroni, C, Meyer, W, Migliore, E, Mirabito, L, Mitaroff, W, Mjoernmark, U, Moa, T, Moch, M, Moeller, R, Moenig, K, Monge, M, Moraes, D, Moreau, X, Morettini, P, Morton, G, Mueller, U, Muenich, K, Mulders, M, Mulet Marquis, C, Muresan, R, Murray, W, Muryn, B, Myatt, G, Myklebust, T, Naraghi, F, Nassiakou, M, Navarria, F, Navas, S, Nawrocki, K, Negri, P, Neufeld, N, Nicolaidou, R, Nielsen, B, Niezurawski, P, Nikolenko, M, Nomokonov, V, Nygren, A, Obraztsov, V, Olshevski, A, Onofre, A, Orava, R, Orazi, G, Osterberg, K, Ouraou, A, Paganoni, M, Paiano, S, Pain, R, Paiva, R, Palacios, J, Palka, H, Papadopoulou, T, Pape, L, Parkes, C, Parodi, F, Parzefall, U, Passeri, A, Passon, O, Pavel, T, Pegoraro, M, Peralta, L, Pernicka, M, Perrotta, A, Petridou, C, Petrolini, A, Phillips, H, Pierre, F, Pimenta, M, Piotto, E, Podobnik, T, Pol, M, Polok, G, Poropat, P, Pozdniakov, V, Privitera, P, Pukhaeva, N, Pullia, A, Radojicic, D, Ragazzi, S, Rahmani, H, Rames, J, Ratoff, P, Read, A, Rebecchi, P, Redaelli, N, Regler, M, Rehn, J, Reid, D, Reinhardt, R, Renton, P, Resvanis, L, Richard, F, Ridky, J, Rinaudo, G, Ripp Baudot, I, Rohne, O, Romero, A, Ronchese, P, Rosenberg, E, Rosinsky, P, Roudeau, P, Rovelli, T, Royon, C, Ruhlmann Kleider, V, Ruiz, A, Saarikko, H, Sacquin, Y, Sadovsky, A, Sajot, G, Salt, J, Sampsonidis, D, Sannino, M, Savoy Navarro, A, Schwemling, P, Schwering, B, Schwickerath, U, Scuri, F, Seager, P, Sedykh, Y, Segar, A, Seibert, N, Sekulin, R, Shellard, R, Siebel, M, Simard, L, Simonetto, F, Sisakian, A, Smadja, G, Smirnov, N, Smirnova, O, Smith, G, Sokolov, A, Sopczak, A, Sosnowski, R, Spassov, T, Spiriti, E, Squarcia, S, Stanescu, C, Stanic, S, Stanitzki, M, Stocchi, A, Strauss, J, Strub, R, Stugu, B, Szczekowski, M, Szeptycka, M, TABARELLI DE FATIS, T, Taffard, A, Tegenfeldt, E, Terranova, F, Thomas, J, Timmermans, J, Tinti, N, Tkatchev, L, Tobin, M, Todorova, S, Tomaradze, A, Tome, B, Tonazzo, A, Tortora, L, Tortosa, P, Transtromer, G, Treille, D, Tristram, G, Trochimczuk, M, Troncon, C, Turluer, M, Tyapkin, I, Tyapkin, P, Tzamarias, S, Ullaland, O, Uvarov, V, Valenti, G, Vallazza, E, Vander Velde, C, Van Dam, P, Van den Boeck, W, Van Doninck, W, Van Eldik, J, Van Lysebetten, A, van Remortel, N, Van Vulpen, I, Vegni, G, Ventura, L, Venus, W, Verbeure, F, Verdier, P, Verlato, M, Vertogradov, L, Verzi, V, Vilanova, D, Vitale, L, Vlasov, E, Vodopyanov, A, Voulgaris, G, Vrba, V, Wahlen, H, Walck, C, Washbrook, A, Weiser, C, Wicke, D, Wickens, J, Wilkinson, G, Winter, M, Witek, M, Wolf, G, Yi, J, Yushchenko, O, Zalewska, A, Zalewski, P, Zavrtanik, D, Zevgolatakos, E, Zimin, N, Zintchenko, A, Zoller, P, Zucchelli, G, Zumerle, G, Alekseev, GD, Allport, PP, Anassontzis, EG, Apel, WD, Augustin, JE, Bardin, DY, Becks, KH, Benekos, NC, Benvenuti, AC, Bilenky, MS, Bizouard, MA, Blom, HM, Booth, PSL, Bowcock, TJV, Brenner, RA, Brunet, JM, Gimenez, MVC, Cavallo, FR, Chelkov, GA, Crawley, HB, Maestro, JC, Durand, JD, Engel, JP, Santo, ME, Frodesen, AG, Gazis, EN, Caballero, IG, Harris, FJ, Hernandez, JJ, Hessing, TL, Heuser, JM, Holmgren, SO, Hughes, GJ, Jackson, JN, Johansson, EK, Katsoufis, EC, Kersevan, BP, Khomenko, BA, Khovanski, NN, Kjaer, NJ, Lamsa, JW, Lane, DW, Laugier, JP, Loken, JG, Lopes, JH, Lopez, JM, MacNaughton, J, Mahon, JR, Malmgren, TGM, Marin, JC, Garcia, SMI, Meyer, WT, Mitaroff, WA, Monge, MR, Murray, WJ, Navarria, FL, Nielsen, BS, Olshevski, AG, Papadopoulou, TD, Phillips, HT, Pol, ME, Ratoff, PN, Read, AL, Redaelli, NG, Renton, PB, Resvanis, LK, Rosenberg, EI, Segar, AM, Shellard, RC, Sisakian, AN, Smith, GR, TERRANOVA, FRANCESCO, Tkatchev, LG, Turluer, ML, Tyapkin, IA, Van Doninck, WK, Van Eldik, JV, Vertogradov, LS, Vodopyanov, AS, Washbrook, AJ, Wickens, JH, Wilkinson, GR, Zimin, NI, Zucchelli, GC, Zumerle, G., CALVI, MARTA, PAGANONI, MARCO, RAGAZZI, STEFANO, TABARELLI DE FATIS, TOMMASO, Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, Alderweireld, T, Alekseev, G, Alemany, R, Allmendinger, T, Allport, P, Almehed, S, Amaldi, U, Amapane, N, Amato, S, Anassontzis, E, Andersson, P, Andreazza, A, Andringa, S, Antilogus, P, Apel, W, Arnoud, Y, Asman, B, Augustin, J, Augustinus, A, Baillon, P, Ballestrero, A, Bambade, P, Barao, F, Barbiellini, G, Barbier, R, Bardin, D, Barker, G, Baroncelli, A, Battaglia, M, Baubillier, M, Becks, K, Begalli, M, Behrmann, A, Beilliere, P, Belokopytov, Y, Benekos, N, Benvenuti, A, Berat, C, Berggren, M, Bertrand, D, Besancon, M, Bigi, M, Bilenky, M, Bizouard, M, Bloch, D, Blom, H, Bonesini, M, Boonekamp, M, Booth, P, Borgland, W, Borisov, G, Bosio, C, Botner, O, Boudinov, E, Bouquet, B, Bourdarios, C, Bowcock, T, Boyko, I, Bozovic, I, Bozzo, M, Bracko, M, Branchini, P, Brenner, R, Bruckman, P, Brunet, J, Bugge, L, Buran, T, Buschbeck, B, Buschmann, P, Cabrera, S, Caccia, M, Calvi, M, Camporesi, T, Canale, V, Carena, F, Carroll, L, Caso, C, Gimenez, M, Cattai, A, Cavallo, F, Chabaud, V, Charpentier, P, Checchia, P, Chelkov, G, Chierici, R, Chliapnikov, P, Chochula, P, Chorowicz, V, Chudoba, J, Cieslik, K, Collins, P, Contri, R, Cortina, E, Cosme, G, Cossutti, F, Crawley, H, Crennell, D, Crepe, S, Crosetti, G, Maestro, J, Czellar, S, Davenport, M, Da Silva, W, Della Ricca, G, Delpierre, P, Demaria, N, De Angelis, A, De Boer, W, De Clercq, C, De Lotto, B, De Min, A, De Paula, L, Dijkstra, H, Di Ciaccio, L, Dolbeau, J, Doroba, K, Dracos, M, Drees, J, Dris, M, Duperrin, A, Durand, J, Eigen, G, Ekelof, T, Ekspong, G, Ellert, M, Elsing, M, Engel, J, Santo, M, Fanourakis, G, Fassouliotis, D, Fayot, J, Feindt, M, Ferrer, A, Ferrer Ribas, E, Ferro, F, Fichet, S, Firestone, A, Flagmeyer, U, Foeth, H, Fokitis, E, Fontanelli, F, Franek, B, Frodesen, A, Fruhwirth, R, Fulda Quenzer, F, Fuster, J, Galloni, A, Gamba, D, Gamblin, S, Gandelman, M, Garcia, C, Gaspar, C, Gaspar, M, Gasparini, U, Gavillet, P, Gazis, E, Gele, D, Geralis, T, Gerdyukov, L, Ghodbane, N, Gil, I, Glege, F, Gokieli, R, Golob, B, Gomez Ceballos, G, Goncalves, P, Caballero, I, Gopal, G, Gorn, L, Gouz, Y, Gracco, V, Grahl, J, Graziani, E, Gris, P, Grosdidier, G, Grzelak, K, Guy, J, Haag, C, Hahn, F, Hahn, S, Haider, S, Hallgren, A, Hamacher, K, Hansen, J, Harris, F, Hedberg, V, Heising, S, Hernandez, J, Herquet, P, Herr, H, Hessing, T, Heuser, J, Higon, E, Holmgren, S, Holt, P, Hoorelbeke, S, Houlden, M, Hrubec, J, Huber, M, Huet, K, Hughes, G, Hultqvist, K, Jackson, J, Jacobsson, R, Jalocha, P, Janik, R, Jarlskog, C, Jarlskog, G, Jarry, P, Jean Marie, B, Jeans, D, Johansson, E, Jonsson, P, Joram, C, Juillot, P, Jungermann, L, Kapusta, F, Karafasoulis, K, Katsanevas, S, Katsoufis, E, Keranen, R, Kernel, G, Kersevan, B, Khokhlov, Y, Khomenko, B, Khovanski, N, Kiiskinen, A, King, B, Kinvig, A, Kjaer, N, Klapp, O, Klein, H, Kluit, P, Kokkinias, P, Kostioukhine, V, Kourkoumelis, C, Kouznetsov, O, Krammer, M, Kriznic, E, Krumstein, Z, Kubinec, P, Kurowska, J, Kurvinen, K, Lamsa, J, Lane, D, Lapin, V, Laugier, J, Lauhakangas, R, Leder, G, Ledroit, F, Lefebure, V, Leinonen, L, Leisos, A, Leitner, R, Lemonne, J, Lenzen, G, Lepeltier, V, Lesiak, T, Lethuillier, M, Libby, J, Liebig, W, Liko, D, Lipniacka, A, Lippi, I, Loerstad, B, Loken, J, Lopes, J, Lopez, J, Lopez Fernandez, R, Loukas, D, Lutz, P, Lyons, L, Macnaughton, J, Mahon, J, Maio, A, Malek, A, Malmgren, T, Maltezos, S, Malychev, V, Mandl, F, Marco, J, Marco, R, Marechal, B, Margoni, M, Marin, J, Mariotti, C, Markou, A, Martinez Rivero, C, Martinez Vidal, F, Garcia, S, Masik, J, Mastroyiannopoulos, N, Matorras, F, Matteuzzi, C, Matthiae, G, Mazzucato, F, Mazzucato, M, Mc Cubbin, M, Mc Kay, R, Mc Nulty, R, Mc Pherson, G, Meroni, C, Meyer, W, Migliore, E, Mirabito, L, Mitaroff, W, Mjoernmark, U, Moa, T, Moch, M, Moeller, R, Moenig, K, Monge, M, Moraes, D, Moreau, X, Morettini, P, Morton, G, Mueller, U, Muenich, K, Mulders, M, Mulet Marquis, C, Muresan, R, Murray, W, Muryn, B, Myatt, G, Myklebust, T, Naraghi, F, Nassiakou, M, Navarria, F, Navas, S, Nawrocki, K, Negri, P, Neufeld, N, Nicolaidou, R, Nielsen, B, Niezurawski, P, Nikolenko, M, Nomokonov, V, Nygren, A, Obraztsov, V, Olshevski, A, Onofre, A, Orava, R, Orazi, G, Osterberg, K, Ouraou, A, Paganoni, M, Paiano, S, Pain, R, Paiva, R, Palacios, J, Palka, H, Papadopoulou, T, Pape, L, Parkes, C, Parodi, F, Parzefall, U, Passeri, A, Passon, O, Pavel, T, Pegoraro, M, Peralta, L, Pernicka, M, Perrotta, A, Petridou, C, Petrolini, A, Phillips, H, Pierre, F, Pimenta, M, Piotto, E, Podobnik, T, Pol, M, Polok, G, Poropat, P, Pozdniakov, V, Privitera, P, Pukhaeva, N, Pullia, A, Radojicic, D, Ragazzi, S, Rahmani, H, Rames, J, Ratoff, P, Read, A, Rebecchi, P, Redaelli, N, Regler, M, Rehn, J, Reid, D, Reinhardt, R, Renton, P, Resvanis, L, Richard, F, Ridky, J, Rinaudo, G, Ripp Baudot, I, Rohne, O, Romero, A, Ronchese, P, Rosenberg, E, Rosinsky, P, Roudeau, P, Rovelli, T, Royon, C, Ruhlmann Kleider, V, Ruiz, A, Saarikko, H, Sacquin, Y, Sadovsky, A, Sajot, G, Salt, J, Sampsonidis, D, Sannino, M, Savoy Navarro, A, Schwemling, P, Schwering, B, Schwickerath, U, Scuri, F, Seager, P, Sedykh, Y, Segar, A, Seibert, N, Sekulin, R, Shellard, R, Siebel, M, Simard, L, Simonetto, F, Sisakian, A, Smadja, G, Smirnov, N, Smirnova, O, Smith, G, Sokolov, A, Sopczak, A, Sosnowski, R, Spassov, T, Spiriti, E, Squarcia, S, Stanescu, C, Stanic, S, Stanitzki, M, Stocchi, A, Strauss, J, Strub, R, Stugu, B, Szczekowski, M, Szeptycka, M, TABARELLI DE FATIS, T, Taffard, A, Tegenfeldt, E, Terranova, F, Thomas, J, Timmermans, J, Tinti, N, Tkatchev, L, Tobin, M, Todorova, S, Tomaradze, A, Tome, B, Tonazzo, A, Tortora, L, Tortosa, P, Transtromer, G, Treille, D, Tristram, G, Trochimczuk, M, Troncon, C, Turluer, M, Tyapkin, I, Tyapkin, P, Tzamarias, S, Ullaland, O, Uvarov, V, Valenti, G, Vallazza, E, Vander Velde, C, Van Dam, P, Van den Boeck, W, Van Doninck, W, Van Eldik, J, Van Lysebetten, A, van Remortel, N, Van Vulpen, I, Vegni, G, Ventura, L, Venus, W, Verbeure, F, Verdier, P, Verlato, M, Vertogradov, L, Verzi, V, Vilanova, D, Vitale, L, Vlasov, E, Vodopyanov, A, Voulgaris, G, Vrba, V, Wahlen, H, Walck, C, Washbrook, A, Weiser, C, Wicke, D, Wickens, J, Wilkinson, G, Winter, M, Witek, M, Wolf, G, Yi, J, Yushchenko, O, Zalewska, A, Zalewski, P, Zavrtanik, D, Zevgolatakos, E, Zimin, N, Zintchenko, A, Zoller, P, Zucchelli, G, Zumerle, G, Alekseev, GD, Allport, PP, Anassontzis, EG, Apel, WD, Augustin, JE, Bardin, DY, Becks, KH, Benekos, NC, Benvenuti, AC, Bilenky, MS, Bizouard, MA, Blom, HM, Booth, PSL, Bowcock, TJV, Brenner, RA, Brunet, JM, Gimenez, MVC, Cavallo, FR, Chelkov, GA, Crawley, HB, Maestro, JC, Durand, JD, Engel, JP, Santo, ME, Frodesen, AG, Gazis, EN, Caballero, IG, Harris, FJ, Hernandez, JJ, Hessing, TL, Heuser, JM, Holmgren, SO, Hughes, GJ, Jackson, JN, Johansson, EK, Katsoufis, EC, Kersevan, BP, Khomenko, BA, Khovanski, NN, Kjaer, NJ, Lamsa, JW, Lane, DW, Laugier, JP, Loken, JG, Lopes, JH, Lopez, JM, MacNaughton, J, Mahon, JR, Malmgren, TGM, Marin, JC, Garcia, SMI, Meyer, WT, Mitaroff, WA, Monge, MR, Murray, WJ, Navarria, FL, Nielsen, BS, Olshevski, AG, Papadopoulou, TD, Phillips, HT, Pol, ME, Ratoff, PN, Read, AL, Redaelli, NG, Renton, PB, Resvanis, LK, Rosenberg, EI, Segar, AM, Shellard, RC, Sisakian, AN, Smith, GR, TERRANOVA, FRANCESCO, Tkatchev, LG, Turluer, ML, Tyapkin, IA, Van Doninck, WK, Van Eldik, JV, Vertogradov, LS, Vodopyanov, AS, Washbrook, AJ, Wickens, JH, Wilkinson, GR, Zimin, NI, Zucchelli, GC, Zumerle, G., CALVI, MARTA, PAGANONI, MARCO, RAGAZZI, STEFANO, and TABARELLI DE FATIS, TOMMASO
Abstract: Searches for supersymmetric partners of top and bottom quarks are presented using data taken by the DELPHI experiment at LEP in 1997 and 1998. No deviations from standard model expectations are observed in these data sets, which are taken at centre-of-mass energies of 183 GeV and 189 GeV and correspond to integrated luminosities of 54 pb(-1) and 158 pb(-1). These results are used in combination with those obtained by DELPHI at lower centre-of-mass energies to exclude regions in the squark-neutralino mass plane at 95% confidence level. (C) 2000 Elsevier Science B.V. All rights reserved.
Published: 2000

99. Searches for neutral Higgs bosons in e+e- collisions around √s = 189 GeV

Author: Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, Alekseev, G, Alemany, R, Allmendinger, T, Allport, P, Almehed, S, Amaldi, U, Amapane, N, Amato, S, Anassontzis, E, Andersson, P, Andreazza, A, Andringa, S, Antilogus, P, Apel, W, Arnoud, Y, Asman, B, Augustin, J, Augustinus, A, Baillon, P, Bambade, P, Barao, F, Barbiellini, G, Barbier, R, Bardin, D, Barker, G, Baroncelli, A, Battaglia, M, Baubillier, M, Becks, K, Begalli, M, Behrmann, A, Beilliere, P, Belokopytov, Y, Belous, K, Benekos, N, Benvenuti, A, Berat, C, Berggren, M, Bertini, D, Bertrand, D, Besancon, M, Bigi, M, Bilenky, M, Bizouard, M, Bloch, D, Blom, H, Bonesini, M, Boonekamp, M, Booth, P, Borgland, A, Borisov, G, Bosio, C, Botner, O, Boudinov, E, Bouquet, B, Bourdarios, C, Bowcock, T, Boyko, I, Bozovic, I, Bozzo, M, Bracko, M, Branchini, P, Brenner, R, Bruckman, P, Brunet, J, Bugge, L, Buran, T, Buschbeck, B, Buschmann, P, Cabrera, S, Caccia, M, Calvi, M, Camporesi, T, Canale, V, Carena, F, Carroll, L, Caso, C, Castillogimenez, M, Cattai, A, Cavallo, F, Chabaud, V, Chapkin, M, Charpentier, P, Chaussard, L, Checchia, P, Chelkov, G, Chierici, R, Chliapnikov, P, Chochula, P, Chorowicz, V, Chudoba, J, Cieslik, K, Collins, P, Contri, R, Cortina, E, Cosme, G, Cossutti, F, Crawley, H, Crennell, D, Crepe, S, Crosetti, G, Cuevasmaestro, J, Czellar, S, Dalmau, J, Davenport, M, Dasilva, W, Dellaricca, G, Delpierre, P, Demaria, N, Deangelis, A, Deboer, W, Declercq, C, Delotto, B, Demin, A, Depaula, L, Dijkstra, H, Diciaccio, L, Dolbeau, J, Doroba, K, Dracos, M, Drees, J, Dris, M, Duperrin, A, Durand, J, Eigen, G, Ekelof, T, Ekspong, G, Ellert, M, Elsing, M, Engel, J, Espiritosanto, M, Fanourakis, G, Fassouliotis, D, Fayot, J, Feindt, M, Ferrer, A, Ferrer Ribas, E, Ferro, F, Fichet, S, Firestone, A, Flagmeyer, U, Foeth, H, Fokitis, E, Fontanelli, F, Franek, B, Frodesen, A, Fruhwirth, R, Fulda Quenzer, F, Fuster, J, Galloni, A, Gamba, D, Gamblin, S, Gandelman, M, Garcia, C, Gaspar, C, Gaspar, M, Gasparini, U, Gavillet, P, Gazis, E, Gele, D, Ghodbane, N, Gil, I, Glege, F, Gokieli, R, Golob, B, Gomez Ceballos, G, Goncalves, P, Gonzalezcaballero, I, Gopal, G, Gorn, L, Gouz, Y, Gracco, V, Grahl, J, Graziani, E, Gris, P, Grosdidier, G, Grzelak, K, Guy, J, Hahn, F, Hahn, S, Haider, S, Hallgren, A, Hamacher, K, Hansen, J, Harris, F, Hedberg, V, Heising, S, Hernandez, J, Herquet, P, Herr, H, Hessing, T, Heuser, J, Higon, E, Holmgren, S, Holt, P, Hoorelbeke, S, Houlden, M, Hrubec, J, Huber, M, Huet, K, Hughes, G, Hultqvist, K, Jackson, J, Jacobsson, R, Jalocha, P, Janik, R, Jarlskog, C, Jarlskog, G, Jarry, P, Jean Marie, B, Jeans, D, Johansson, E, Jonsson, P, Joram, C, Juillot, P, Jungermann, L, Kapusta, F, Karafasoulis, K, Katsanevas, S, Katsoufis, E, Keranen, R, Kernel, G, Kersevan, B, Khokhlov, Y, Khomenko, B, Khovanski, N, Kiiskinen, A, King, B, Kinvig, A, Kjaer, N, Klapp, O, Klein, H, Kluit, P, Kokkinias, P, Kostioukhine, V, Kourkoumelis, C, Kouznetsov, O, Krammer, M, Kriznic, E, Krumstein, Z, Kubinec, P, Kurowska, J, Kurvinen, K, Lamsa, J, Lane, D, Lapin, V, Laugier, J, Lauhakangas, R, Leder, G, Ledroit, F, Lefebure, V, Leinonen, L, Leisos, A, Leitner, R, Lemonne, J, Lenzen, G, Lepeltier, V, Lesiak, T, Lethuillier, M, Libby, J, Liebig, W, Liko, D, Lipniacka, A, Lippi, I, Loerstad, B, Loken, J, Lopes, J, Lopez, J, Lopez Fernandez, R, Loukas, D, Lutz, P, Lyons, L, Macnaughton, J, Mahon, J, Maio, A, Malek, A, Malmgren, T, Maltezos, S, Malychev, V, Mandl, F, Marco, J, Marco, R, Marechal, B, Margoni, M, Marin, J, Mariotti, C, Markou, A, Martinez Rivero, C, Martinez Vidal, F, Martiigarcia, S, Masik, J, Mastroviannopoulos, N, Matorras, F, Matteuzzi, C, Matthiae, G, Mazzucato, F, Mazzucato, M, Mccubbin, M, Mckay, R, Mcnulty, R, Mcpherson, G, Meroni, C, Meyer, W, Miagkov, A, Migliore, E, Mirabito, L, Mitaroff, W, Mjoernmark, U, Moa, T, Moch, M, Moeller, R, Moenig, K, Monge, M, Moreau, X, Morettini, P, Morton, G, Mueller, U, Muenich, K, Mulders, M, Mulet Marquis, C, Muresan, R, Murray, W, Muryn, B, Myatt, G, Myklebust, T, Naraghi, F, Nassiakou, M, Navarria, F, Navas, S, Nawrocki, K, Negri, P, Neufeld, N, Nicolaidou, R, Nielsen, B, Niezurawski, P, Nikolenko, M, Nomokonov, V, Nygren, A, Obraztsov, V, Olshevski, A, Onofre, A, Orava, R, Orazi, G, Osterberg, K, Ouraou, A, Paganoni, M, Paiano, S, Pain, R, Paiva, R, Palacios, J, Palka, H, Papadopoulou, T, Papageorgiou, K, Pape, L, Parkes, C, Parodi, F, Parzefall, U, Passeri, A, Passon, O, Pavel, T, Pegoraro, M, Peralta, L, Pernicka, M, Perrotta, A, Petridou, C, Petrolini, A, Phillips, H, Pierre, F, Pimenta, M, Piotto, E, Podobnik, T, Pol, M, Polok, G, Poropat, P, Pozdniakov, V, Privitera, P, Pukhaeva, N, Pullia, A, Radojicic, D, Ragazzi, S, Rahmani, H, Rames, J, Ratoff, P, Read, A, Rebecchi, P, Redaelli, N, Regler, M, Rehn, J, Reid, D, Reinhardt, R, Renton, P, Resvanis, L, Richard, F, Ridky, J, Rinaudo, G, Ripp Baudot, I, Rohne, O, Romero, A, Ronchese, P, Rosenberg, E, Rosinsky, P, Roudeau, P, Rovelli, T, Royon, C, Ruhlmann Kleider, V, Ruiz, A, Saarikko, H, Sacquin, Y, Sadovsky, A, Sajot, G, Salt, J, Sampsonidis, D, Sannino, M, Schwemling, P, Schwering, B, Schwickerath, U, Scuri, F, Seager, P, Sedykh, Y, Segar, A, Seibert, N, Sekulin, R, Shellard, R, Siebel, M, Simard, L, Simonetto, F, Sisakian, A, Smadja, G, Smirnova, O, Smith, G, Solovianov, O, Sopczak, A, Sosnowski, R, Spassov, T, Spiriti, E, Squarcia, S, Stanescu, C, Stanic, S, Stanitzki, M, Stevenson, K, Stocchi, A, Strauss, J, Strub, R, Stugu, B, Szczekowski, M, Szeptycka, M, TABARELLI DE FATIS, T, Taffard, A, Tegenfeldt, F, Terranova, F, Thomas, J, Timmermans, J, Tinti, N, Tkatchev, L, Tobin, M, Todorova, S, Tomaradze, A, Tome, B, Tonazzo, A, Tortora, L, Tortosa, P, Transtromer, G, Treille, D, Tristram, G, Trochimczuk, M, Troncon, C, Turluer, M, Tyapkin, I, Tzamarias, S, Ullaland, O, Uvarov, V, Valenti, G, Vallazza, E, Vandervelde, C, Vandam, P, Vandenboeck, W, Vandoninck, W, Vaneldik, J, Vanlysebetten, A, Vanremortel, N, Vanvulpen, I, Vegni, G, Ventura, L, Venus, W, Verbeure, F, Verlato, M, Vertogradov, L, Verzi, V, Vilanova, D, Vitale, L, Vlasov, E, Vodopyanov, A, Voulgaris, G, Vrba, V, Wahlen, H, Walck, C, Washbrook, A, Weiser, C, Wicke, D, Wickens, J, Wilkinson, G, Winter, M, Witek, M, Wolf, G, Yi, J, Yushchenko, O, Zalewska, A, Zalewski, P, Zavrtanik, D, Zevgolatakos, E, Zimin, N, Zintchenko, A, Zoller, P, Zucchelli, G, Zumerle, G, Alekseev, GD, Allport, PP, Anassontzis, EG, Apel, WD, Augustin, JE, Bardin, DY, Becks, KH, Benekos, NC, Benvenuti, AC, Bilenky, MS, Bizouard, MA, Blom, HM, Booth, PSL, Borgland, AW, Bowcock, TJV, Brenner, RA, Brunet, JM, CALVI, MARTA, CastilloGimenez, MV, Cavallo, FR, Chelkov, GA, Crawley, HB, CuevasMaestro, J, DaSilva, W, DellaRicca, G, DeAngelis, A, DeBoer, W, DeClercq, C, DeLotto, B, DeMin, A, DePaula, L, DiCiaccio, L, Durand, JD, Engel, JP, EspiritoSanto, M, Frodesen, AG, Gazis, EN, GonzalezCaballero, I, Harris, FJ, Hernandez, JJ, Hessing, TL, Heuser, JM, Holmgren, SO, Holt, PJ, Hughes, GJ, Jackson, JN, Johansson, EK, Katsoufis, EC, Kersevan, BP, Khomenko, BA, Khovanski, NN, Kjaer, NJ, Lamsa, JW, Lane, DW, Laugier, JP, Loken, JG, Lopes, JH, Lopez, JM, MacNaughton, J, Mahon, JR, Malmgren, TGM, Marin, JC, MartiiGarcia, S, McCubbin, M, McKay, R, McNulty, R, McPherson, G, Meyer, WT, Mitaroff, WA, Monge, MR, Murray, WJ, Navarria, FL, Nielsen, BS, Olshevski, AG, PAGANONI, MARCO, Papadopoulou, TD, Phillips, HT, Pol, ME, RAGAZZI, STEFANO, Ratoff, PN, Read, AL, Redaelli, NG, Renton, PB, Resvanis, LK, Rosenberg, EI, Segar, AM, Shellard, RC, Sisakian, AN, Smith, GR, TABARELLI DE FATIS, TOMMASO, TERRANOVA, FRANCESCO, Tkatchev, LG, Turluer, ML, Tyapkin, IA, VanderVelde, C, VanDam, P, VandenBoeck, W, VanDoninck, WK, VanEldik, J, VanLysebetten, A, vanRemortel, N, VanVulpen, I, Vertogradov, LS, Vodopyanov, AS, Washbrook, AJ, Wickens, JH, Wilkinson, GR, Zimin, NI, Zucchelli, GC, Zumerle, G., Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, Alekseev, G, Alemany, R, Allmendinger, T, Allport, P, Almehed, S, Amaldi, U, Amapane, N, Amato, S, Anassontzis, E, Andersson, P, Andreazza, A, Andringa, S, Antilogus, P, Apel, W, Arnoud, Y, Asman, B, Augustin, J, Augustinus, A, Baillon, P, Bambade, P, Barao, F, Barbiellini, G, Barbier, R, Bardin, D, Barker, G, Baroncelli, A, Battaglia, M, Baubillier, M, Becks, K, Begalli, M, Behrmann, A, Beilliere, P, Belokopytov, Y, Belous, K, Benekos, N, Benvenuti, A, Berat, C, Berggren, M, Bertini, D, Bertrand, D, Besancon, M, Bigi, M, Bilenky, M, Bizouard, M, Bloch, D, Blom, H, Bonesini, M, Boonekamp, M, Booth, P, Borgland, A, Borisov, G, Bosio, C, Botner, O, Boudinov, E, Bouquet, B, Bourdarios, C, Bowcock, T, Boyko, I, Bozovic, I, Bozzo, M, Bracko, M, Branchini, P, Brenner, R, Bruckman, P, Brunet, J, Bugge, L, Buran, T, Buschbeck, B, Buschmann, P, Cabrera, S, Caccia, M, Calvi, M, Camporesi, T, Canale, V, Carena, F, Carroll, L, Caso, C, Castillogimenez, M, Cattai, A, Cavallo, F, Chabaud, V, Chapkin, M, Charpentier, P, Chaussard, L, Checchia, P, Chelkov, G, Chierici, R, Chliapnikov, P, Chochula, P, Chorowicz, V, Chudoba, J, Cieslik, K, Collins, P, Contri, R, Cortina, E, Cosme, G, Cossutti, F, Crawley, H, Crennell, D, Crepe, S, Crosetti, G, Cuevasmaestro, J, Czellar, S, Dalmau, J, Davenport, M, Dasilva, W, Dellaricca, G, Delpierre, P, Demaria, N, Deangelis, A, Deboer, W, Declercq, C, Delotto, B, Demin, A, Depaula, L, Dijkstra, H, Diciaccio, L, Dolbeau, J, Doroba, K, Dracos, M, Drees, J, Dris, M, Duperrin, A, Durand, J, Eigen, G, Ekelof, T, Ekspong, G, Ellert, M, Elsing, M, Engel, J, Espiritosanto, M, Fanourakis, G, Fassouliotis, D, Fayot, J, Feindt, M, Ferrer, A, Ferrer Ribas, E, Ferro, F, Fichet, S, Firestone, A, Flagmeyer, U, Foeth, H, Fokitis, E, Fontanelli, F, Franek, B, Frodesen, A, Fruhwirth, R, Fulda Quenzer, F, Fuster, J, Galloni, A, Gamba, D, Gamblin, S, Gandelman, M, Garcia, C, Gaspar, C, Gaspar, M, Gasparini, U, Gavillet, P, Gazis, E, Gele, D, Ghodbane, N, Gil, I, Glege, F, Gokieli, R, Golob, B, Gomez Ceballos, G, Goncalves, P, Gonzalezcaballero, I, Gopal, G, Gorn, L, Gouz, Y, Gracco, V, Grahl, J, Graziani, E, Gris, P, Grosdidier, G, Grzelak, K, Guy, J, Hahn, F, Hahn, S, Haider, S, Hallgren, A, Hamacher, K, Hansen, J, Harris, F, Hedberg, V, Heising, S, Hernandez, J, Herquet, P, Herr, H, Hessing, T, Heuser, J, Higon, E, Holmgren, S, Holt, P, Hoorelbeke, S, Houlden, M, Hrubec, J, Huber, M, Huet, K, Hughes, G, Hultqvist, K, Jackson, J, Jacobsson, R, Jalocha, P, Janik, R, Jarlskog, C, Jarlskog, G, Jarry, P, Jean Marie, B, Jeans, D, Johansson, E, Jonsson, P, Joram, C, Juillot, P, Jungermann, L, Kapusta, F, Karafasoulis, K, Katsanevas, S, Katsoufis, E, Keranen, R, Kernel, G, Kersevan, B, Khokhlov, Y, Khomenko, B, Khovanski, N, Kiiskinen, A, King, B, Kinvig, A, Kjaer, N, Klapp, O, Klein, H, Kluit, P, Kokkinias, P, Kostioukhine, V, Kourkoumelis, C, Kouznetsov, O, Krammer, M, Kriznic, E, Krumstein, Z, Kubinec, P, Kurowska, J, Kurvinen, K, Lamsa, J, Lane, D, Lapin, V, Laugier, J, Lauhakangas, R, Leder, G, Ledroit, F, Lefebure, V, Leinonen, L, Leisos, A, Leitner, R, Lemonne, J, Lenzen, G, Lepeltier, V, Lesiak, T, Lethuillier, M, Libby, J, Liebig, W, Liko, D, Lipniacka, A, Lippi, I, Loerstad, B, Loken, J, Lopes, J, Lopez, J, Lopez Fernandez, R, Loukas, D, Lutz, P, Lyons, L, Macnaughton, J, Mahon, J, Maio, A, Malek, A, Malmgren, T, Maltezos, S, Malychev, V, Mandl, F, Marco, J, Marco, R, Marechal, B, Margoni, M, Marin, J, Mariotti, C, Markou, A, Martinez Rivero, C, Martinez Vidal, F, Martiigarcia, S, Masik, J, Mastroviannopoulos, N, Matorras, F, Matteuzzi, C, Matthiae, G, Mazzucato, F, Mazzucato, M, Mccubbin, M, Mckay, R, Mcnulty, R, Mcpherson, G, Meroni, C, Meyer, W, Miagkov, A, Migliore, E, Mirabito, L, Mitaroff, W, Mjoernmark, U, Moa, T, Moch, M, Moeller, R, Moenig, K, Monge, M, Moreau, X, Morettini, P, Morton, G, Mueller, U, Muenich, K, Mulders, M, Mulet Marquis, C, Muresan, R, Murray, W, Muryn, B, Myatt, G, Myklebust, T, Naraghi, F, Nassiakou, M, Navarria, F, Navas, S, Nawrocki, K, Negri, P, Neufeld, N, Nicolaidou, R, Nielsen, B, Niezurawski, P, Nikolenko, M, Nomokonov, V, Nygren, A, Obraztsov, V, Olshevski, A, Onofre, A, Orava, R, Orazi, G, Osterberg, K, Ouraou, A, Paganoni, M, Paiano, S, Pain, R, Paiva, R, Palacios, J, Palka, H, Papadopoulou, T, Papageorgiou, K, Pape, L, Parkes, C, Parodi, F, Parzefall, U, Passeri, A, Passon, O, Pavel, T, Pegoraro, M, Peralta, L, Pernicka, M, Perrotta, A, Petridou, C, Petrolini, A, Phillips, H, Pierre, F, Pimenta, M, Piotto, E, Podobnik, T, Pol, M, Polok, G, Poropat, P, Pozdniakov, V, Privitera, P, Pukhaeva, N, Pullia, A, Radojicic, D, Ragazzi, S, Rahmani, H, Rames, J, Ratoff, P, Read, A, Rebecchi, P, Redaelli, N, Regler, M, Rehn, J, Reid, D, Reinhardt, R, Renton, P, Resvanis, L, Richard, F, Ridky, J, Rinaudo, G, Ripp Baudot, I, Rohne, O, Romero, A, Ronchese, P, Rosenberg, E, Rosinsky, P, Roudeau, P, Rovelli, T, Royon, C, Ruhlmann Kleider, V, Ruiz, A, Saarikko, H, Sacquin, Y, Sadovsky, A, Sajot, G, Salt, J, Sampsonidis, D, Sannino, M, Schwemling, P, Schwering, B, Schwickerath, U, Scuri, F, Seager, P, Sedykh, Y, Segar, A, Seibert, N, Sekulin, R, Shellard, R, Siebel, M, Simard, L, Simonetto, F, Sisakian, A, Smadja, G, Smirnova, O, Smith, G, Solovianov, O, Sopczak, A, Sosnowski, R, Spassov, T, Spiriti, E, Squarcia, S, Stanescu, C, Stanic, S, Stanitzki, M, Stevenson, K, Stocchi, A, Strauss, J, Strub, R, Stugu, B, Szczekowski, M, Szeptycka, M, TABARELLI DE FATIS, T, Taffard, A, Tegenfeldt, F, Terranova, F, Thomas, J, Timmermans, J, Tinti, N, Tkatchev, L, Tobin, M, Todorova, S, Tomaradze, A, Tome, B, Tonazzo, A, Tortora, L, Tortosa, P, Transtromer, G, Treille, D, Tristram, G, Trochimczuk, M, Troncon, C, Turluer, M, Tyapkin, I, Tzamarias, S, Ullaland, O, Uvarov, V, Valenti, G, Vallazza, E, Vandervelde, C, Vandam, P, Vandenboeck, W, Vandoninck, W, Vaneldik, J, Vanlysebetten, A, Vanremortel, N, Vanvulpen, I, Vegni, G, Ventura, L, Venus, W, Verbeure, F, Verlato, M, Vertogradov, L, Verzi, V, Vilanova, D, Vitale, L, Vlasov, E, Vodopyanov, A, Voulgaris, G, Vrba, V, Wahlen, H, Walck, C, Washbrook, A, Weiser, C, Wicke, D, Wickens, J, Wilkinson, G, Winter, M, Witek, M, Wolf, G, Yi, J, Yushchenko, O, Zalewska, A, Zalewski, P, Zavrtanik, D, Zevgolatakos, E, Zimin, N, Zintchenko, A, Zoller, P, Zucchelli, G, Zumerle, G, Alekseev, GD, Allport, PP, Anassontzis, EG, Apel, WD, Augustin, JE, Bardin, DY, Becks, KH, Benekos, NC, Benvenuti, AC, Bilenky, MS, Bizouard, MA, Blom, HM, Booth, PSL, Borgland, AW, Bowcock, TJV, Brenner, RA, Brunet, JM, CALVI, MARTA, CastilloGimenez, MV, Cavallo, FR, Chelkov, GA, Crawley, HB, CuevasMaestro, J, DaSilva, W, DellaRicca, G, DeAngelis, A, DeBoer, W, DeClercq, C, DeLotto, B, DeMin, A, DePaula, L, DiCiaccio, L, Durand, JD, Engel, JP, EspiritoSanto, M, Frodesen, AG, Gazis, EN, GonzalezCaballero, I, Harris, FJ, Hernandez, JJ, Hessing, TL, Heuser, JM, Holmgren, SO, Holt, PJ, Hughes, GJ, Jackson, JN, Johansson, EK, Katsoufis, EC, Kersevan, BP, Khomenko, BA, Khovanski, NN, Kjaer, NJ, Lamsa, JW, Lane, DW, Laugier, JP, Loken, JG, Lopes, JH, Lopez, JM, MacNaughton, J, Mahon, JR, Malmgren, TGM, Marin, JC, MartiiGarcia, S, McCubbin, M, McKay, R, McNulty, R, McPherson, G, Meyer, WT, Mitaroff, WA, Monge, MR, Murray, WJ, Navarria, FL, Nielsen, BS, Olshevski, AG, PAGANONI, MARCO, Papadopoulou, TD, Phillips, HT, Pol, ME, RAGAZZI, STEFANO, Ratoff, PN, Read, AL, Redaelli, NG, Renton, PB, Resvanis, LK, Rosenberg, EI, Segar, AM, Shellard, RC, Sisakian, AN, Smith, GR, TABARELLI DE FATIS, TOMMASO, TERRANOVA, FRANCESCO, Tkatchev, LG, Turluer, ML, Tyapkin, IA, VanderVelde, C, VanDam, P, VandenBoeck, W, VanDoninck, WK, VanEldik, J, VanLysebetten, A, vanRemortel, N, VanVulpen, I, Vertogradov, LS, Vodopyanov, AS, Washbrook, AJ, Wickens, JH, Wilkinson, GR, Zimin, NI, Zucchelli, GC, and Zumerle, G.
Abstract: Measurements of the trilinear gauge boson couplings WW gamma and WWZ are; presented using the data taken by DELPHI in 1998 at a centre-of-mass; energy of 189 GeV and combined with DELPHI data at 183 GeV. Values are; determined for Deltag(1)(Z) and Delta kappa (gamma), the differences of; the WWZ charge coupling and of the WWgamma dipole coupling from their; Standard Model values, and for hy, the WW gamma quadrupole coupling. A; measurement of the magnetic dipole and electric quadrupole moment of the; W is extracted from the results for Delta kappa (gamma) and lambda; (gamma). The study uses data from the final states jjl nu, jjjj, lX, jjX; and gammaX where j represents a quark jet, l an identified lepton and X; missing four-momentum. The observations are consistent with the; predictions of the Standard Model. (C) 2001 Published by Elsevier; Science B.V., Searches for neutral Higgs bosons in the Standard Model and the MSSM have been performed using data collected by the DELPHI experiment at a centre-of-mass energy of 188.7 GeV, corresponding to an integrated luminosity of 158 pb(-1). These analyses are used, in combination with our results from lower energies, to set new 95% confidence level lower mass bounds on the Standard Model Higgs boson (94.6 GeV/c(2)) and on the lightest neutral scalar (82.6 GeV/c(2)) and neutral pseudoscalar (84.1 GeV/c(2)) Higgs bosons in a representative scan of the MSSM parameters. The results are also interpreted in the framework of a general two-Higgs doublet model.
Published: 2000

100. Measurement and interpretation of the W-pair cross-section in e+e- interactions at 161 GeV

Author: Abreu, P Adam, W Adye, T Adzic, P Ajinenko, I and Alekseev, GD Alemany, R Allport, PP Almehed, S Amaldi, U and Amato, S Andreazza, A Andrieux, ML Antilogus, P and Apel, WD Asman, B Augustin, JE Augustinus, A Baillon, P and Bambade, P Barao, F Barbi, M Bardin, DY Barker, G and Baroncelli, A Barring, O Barrio, JA Bartl, W Bates, MJ Battaglia, M Baubillier, M Baudot, J Becks, KH and Begalli, M Beilliere, P Belokopytov, Y Belous, K and Benvenuti, AC Berggren, M Bertini, D Bertrand, D and Besancon, M Bianchi, F Bigi, M Bilenky, MS Billoir, P and Bizouard, MA Bloch, D Blume, M Bolognese, T and Bonesini, M Bonivento, W Booth, PSL Bosio, C Botner, O and Boudinov, E Bouquet, B Bourdarios, C Bowcock, TJV and Bozzo, M Branchini, P Brand, KD Brenke, T Brenner, RA and Bricman, C Brown, RCA Bruckman, P Brunet, JM Bugge, L Buran, T Burgsmueller, T Buschmann, P Cabrera, S and Caccia, M Calvi, M Rozas, AJC Camporesi, T Canale, V and Canepa, M Cankocak, K Cao, F Carena, F Carroll, L and Caso, C Gimenez, MVC Cattai, A Cavallo, FR Chabaud, V and Charpentier, P Chaussard, L Checchia, P Chelkov, GA and Chen, M Chierici, R Chliapnikov, P Chochula, P and Chorowicz, V Chudoba, J Cindro, V Collins, P Contri, R and Cortina, E Cosme, G Cossutti, F Cowell, JH Crawley, HB Crennell, D Crosetti, G Maestro, JC Czellar, S and DahlJensen, E Dahm, J Dalmagne, B Dam, M Damgaard, G and Dauncey, PD Davenport, M DaSilva, W Defoix, C Deghorain, A DellaRicca, G Delpierre, P Demaria, N DeAngelis, A and DeBoer, W DeBrabandere, S DeClercq, C DelaVaissiere, C and DeLotto, B DeMin, A DePaula, L DeSaintJean, C Dijkstra, H DiCiaccio, L DiDiodato, A Djannati, A Dolbeau, J and Doroba, K Dracos, M Drees, J Drees, KA Dris, M and Durand, JD Edsall, D Ehret, R Eigen, G Ekelof, T and Ekspong, G Elsing, M Engel, JP Erzen, B Falk, E and Fanourakis, G Fassouliotis, D Feindt, M Ferrari, P and Ferrer, A Fichet, S Filippas, TA Firestone, A Fischer, PA Foeth, H Fokitis, E Fontanelli, F Formenti, F and Franek, B Frenkiel, P Frodesen, AG Fruhwirth, R and FuldaQuenzer, F Fuster, J Galloni, A Gamba, D Gandelman, M Garcia, C Garcia, J Gaspar, C Gasparini, U and Gavillet, P Gazis, EN Gele, D Gerber, JP Gerdyukov, L and Gokieli, R Golob, B Goncalves, P Gopal, G Gorn, L and Gorski, M Gouz, Y Gracco, V Graziani, E Green, C and Grefrath, A Gris, P Grosdidier, G Grzelak, K Gumenyuk, S and Gunnarsson, P Gunther, M Guy, J Hahn, F Hahn, S and Hajduk, Z Hallgren, A Hamacher, K Harris, FJ Hedberg, V and Henriques, R Hernandez, JJ Herquet, P Herr, H and Hessing, TL Heuser, JM Higon, E Hilke, HJ Hill, TS and Holmgren, SO Holt, PJ Holthuizen, D Hoorelbeke, S and Houlden, M Hrubec, J Huet, K Hultqvist, K Jackson, JN and Jacobsson, R Jalocha, P Janik, R Jarlskog, C and Jarlskog, G Jarry, P JeanMarie, B Johansson, EK Jonsson, L Jonsson, P Joram, C Juillot, P Kaiser, M Kapusta, F Karafasoulis, K Karlsson, M Katsanevas, S Katsoufis, EC Keranen, R Khokhlov, Y Khomenko, BA Khovanski, NN and King, B Kjaer, NJ Klapp, O 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Abstract: In 1996 LEP ran at a centre-of-mass energy of 161 GeV, just above the threshold of W-pair production. DELPHI accumulated data corresponding to an integrated luminosity of 9.93 pb(-1), and observed 29 events that are considered as candidates for W-pair production. From these, a cross-section for the doubly resonant e(+)e(-) –> WW process of 3.67(-0.85)(+0.97)+/-0.19 pb has been measured. Within the Standard Model, this cross-section corresponds to a mass of the W-boson of 80.40+/-0.44(stat.)+/-0.09(syst.)+/-0.03(LEP) GeV/c(2). Alternatively, if mw is held fixed at its current value determined by other experiments, the observed cross-section is used to obtain limits on trilinear WWV(V = gamma,Z) couplings. (C) 1997 Elsevier Science B.V.

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