Author: "Crepe, S" / Topic: particle physics - experiment - Searchworks@Jio Institute Digital Library Search Results

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36 results on '"Crepe, S"'

1. Identified charged particles in quark and gluon jets

Author: Abreu, P., Adam, W., Adye, T., Adzic, P., Albrecht, Z., Alderweireld, T., Alekseev, Gd, Alemany, R., Allmendinger, T., Allport, Pp, Almehed, S., Amaldi, U., Amapane, N., Amato, S., Anassontzis, Eg, Andersson, P., Andreazza, A., Andringa, S., Antilogus, P., Apel, Wd, Arnoud, Y., Asman, B., Augustin, Je, Augustinus, A., Baillon, P., Ballestrero, A., Bambade, P., Barao, F., Barbiellini, G., Barbier, R., Bardin, Dy, Barker, G., Baroncelli, A., Battaglia, M., Baubillier, M., Becks, Kh, Begalli, M., Behrmann, A., Beilliere, P., Belokopytov, Y., Belous, K., Benekos, Nc, Benvenuti, Ac, Berat, C., Berggren, M., Bertrand, D., Besancon, M., Bigi, M., Bilenky, Ms, Bizouard, Ma, Bloch, D., Blom, Hm, Bonesini, M., 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., Bracko, M., Branchini, P., Brenner, Ra, Bruckman, P., Brunet, Jm, 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, Mvc, Cattai, A., Cavallo, Fr, Chabaud, V., Chapkin, M., Charpentier, P., Checchia, P., Chelkov, Ga, Chierici, R., Chliapnikov, P., Chochula, P., Chorowicz, V., Chudoba, J., Cieslik, K., Collins, P., Contri, R., Cortina, E., Cosme, G., Cossutti, F., Crawley, Hb, Crennell, D., Crepe, S., Crosetti, G., Maestro, Jc, Czellar, S., Davenport, M., Da Silva, W., Della Ricca, G., Delpierre, P., Demaria, N., Angelis, A., Boer, W., Clercq, C., Lotto, B., Min, A., Leandro de Paula, 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, Santo, Me, 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, Ag, 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, En, Gele, D., Geralis, T., Ghodbane, N., Gil, I., Glege, F., Gokieli, R., Golob, B., Gomez-Ceballos, G., Goncalves, P., Caballero, Ig, 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, Fj, Hauler, F., 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., Huber, M., Huet, K., Hughes, Gj, Hultqvist, K., Jackson, Jn, Jacobsson, R., Jalocha, P., Janik, R., Jarlskog, C., Jarlskog, G., Jarry, P., Jean-Marie, B., Jeans, D., Johansson, Ek, Jonsson, P., Joram, C., Juillot, P., Jungermann, L., Kapusta, F., Karafasoulis, K., Katsanevas, S., Katsoufis, Ec, Keranen, R., Kernel, G., Kersevan, Bp, Khokhlov, Y., Khomenko, Ba, Khovanski, Nn, Kiiskinen, A., King, B., Kinvig, A., Kjaer, Nj, 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, Jw, Lane, Dw, Langefeld, P., Lapin, V., Laugier, Jp, 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, Jg, Lopes, Jh, Lopez, Jm, Lopez-Fernandez, R., Loukas, D., Lutz, P., Lyons, L., Macnaughton, J., Mahon, Jr, Maio, A., Malek, A., Malmgren, Tgm, Maltezos, S., 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., 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, Wt, Migliore, E., Mirabito, L., Mitaroff, Wa, Mjoernmark, U., Moa, T., Moch, M., Moeller, R., Moenig, K., Monge, MR, Moraes, D., 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., Nassiakou, M., Navarria, Fl, Navas, S., Nawrocki, K., Negri, P., Neufeld, N., Nicolaidou, R., Nielsen, Bs, Niezurawski, P., Nikolenko, M., Nomokonov, V., 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, 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, 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., Rames, J., Ratoff, Pn, Read, Al, Rebecchi, P., Redaelli, Ng, Regler, M., Rehn, J., Reid, D., Reinhardt, R., Renton, Pb, Resvanis, Lk, Richard, F., Ridky, J., Rinaudo, G., Ripp-Baudot, I., 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., Schwemling, P., Schwering, B., Schwickerath, U., Scuri, F., Seager, P., Sedykh, Y., Seemann, F., Segar, Am, Seibert, N., Sekulin, R., Shellard, Rc, Siebel, M., Simard, L., Simonetto, F., Sisakian, An, Smadja, G., Smirnova, O., Smith, Gr, Solovianov, 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, Lg, 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, Ml, Tyapkin, Ia, Tyapkin, P., Tzamarias, S., Ullaland, O., Uvarov, V., Valenti, G., Vallazza, E., Dam, P., Den Boeck, W., Eldik, J., Lysebetten, A., Remortel, N., Vulpen, I., Vegni, G., Ventura, L., Venus, W., Verbeure, F., Verdier, P., Verlato, M., Vertogradov, Ls, Verzi, V., Vilanova, D., Vitale, L., Vlasov, E., Vodopyanov, As, Voulgaris, G., Vrba, V., Wahlen, H., Walck, C., Washbrook, Aj, 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, Zintchenko, A., Zoller, P., Zucchelli, Gc, Zumerle, G., Delphi, Collaboration, BARBIELLINI AMIDEI, Guido, Cossutti, F., DELLA RICCA, Giuseppe, Poropat, Paolo, Vitale, Lorenzo, DELPHI Collaboration, Delphi (IHEF, IoP, FNWI), and UCL - SST/IRMP - Institut de recherche en mathématique et physique
Subjects: Quark, Antiparticle, Particle physics, Physics and Astronomy (miscellaneous), High Energy Physics::Lattice, Hadron, Nuclear Theory, FOS: Physical sciences, 01 natural sciences, Spectral line, DECAYS, Partícules (Física nuclear), High Energy Physics - Experiment, PHYSICS, High Energy Physics - Experiment (hep-ex), 0103 physical sciences, ALGORITHM, Multiplicity (chemistry), 010306 general physics, Nuclear Experiment, Engineering (miscellaneous), DELPHI, Physics, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, MULTIPLICITY, ORDER QCD, LARGE ELECTRON POSITRON COLLIDER, Charged particle, Gluon, Baryon, PARTICLE PHYSICS, Física nuclear, High Energy Physics::Experiment, Particle Physics - Experiment
Abstract: A sample of 2.2 million hadronic Z decays, selected from the data recorded by the Delphi detector at LEP during 1994-1995 was used for an improved measurement of inclusive distributions of pi+, K+ and p and their antiparticles in gluon and quark jets. The production spectra of the individual identified particles were found to be softer in gluon jets compared to quark jets, with a higher multiplicity in gluon jets as observed for inclusive charged particles. A significant proton enhancement in gluon jets is observed indicating that baryon production proceeds directly from colour objects. The maxima, xi^*, of the xi-distributions for kaons in gluon and quark jets are observed to be different., 24 pages, 12 figures
Published: 2016
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2. W pair production cross-section and W branching fractions in e(+)e(-) interactions at 183 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, C., 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., Bianchi, F., Bigi, M., Bilenky, M., Bizouard, M., Bloch, D., Blom, H., Bonesini, M., Bonivento, W., 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, Marco, Branchini, P., Brenke, T., Brenner, R., Bruckman, P., Brunet, J., Bugge, L., Buran, T., Burgsmueller, T., Buschbeck, B., Buschmann, P., Cabrera, S., Caccia, M., Calvi, M., Camporesi, T., Canale, V., Carena, F., Carroll, L., Case, C., Gimenez, 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., Cowell, J., Crawley, I., Crennell, D., Crepe, S., Crosetti, G., Maestro, J., Czellar, S., Davenport, M., Silva, W. D., Deghorain, A., Ricca, G. D., Delpierre, P., Demaria, N., Angelis, A. D., Boer, W. D., Clercq, C. D., Lotto, B. D., Min, A. D., Paula, L. D., Dijkstra, H., Ciaccio, L. D., 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., Erzen, B., Santo, M., Falk, E., Fanourakis, G., Fassouliotis, D., Fayot, J., Feindt, M., Ferrari, P., Ferrer, A., Ferrer Ribas, E., Ferro, F., Fichet, S., Firestone, A., Flagmeyer, U., Foeth, H., Fokitis, E., Fontanelli, Flavio, 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., Caballero, I., Gopal, G., Gorn, L., Gorski, M., Gouz, Y., Gracco, V., Grahl, J., Graziani, E., Green, C., Grimm, H., Gris, P., Grosdidier, G., Grzelak, K., Gunther, M., 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., Huet, K., Hughes, G., Hultqvist, K., Jackson, J., Jacobsson, R., Jalocha, P., Janik, R., Jarlskog, C., Jarlskog, G., Jarry, P., Jean Marie, B., Johansson, E., Jonsson, P., Joram, C., Juillot, P., Kapusta, F., Karafasoulis, K., Katsanevas, S., Katsoufis, E., Keranen, R., Kersevan, B., Khomenko, B., Khovanski, N., Kiiskinen, A., King, B., Kinvig, A., Kjaer, N., Klapp, O., Klein, H., Kluit, P., Kokkinias, P., Koratzinos, M., Kostioukhine, V., Kourkoumelis, C., Kouznetsov, O., Krammer, M., Kriznic, E., Krstic, J., Krumstein, Z., Kubinec, P., Kurowska, J., Kurvinen, K., Lamsa, J., Lane, D., Langefeld, P., 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., 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., Cubbin, M. M., Kay, R. M., Nulty, R. M., Pherson, G. M., Meroni, C., Meyer, W., Migliore, E., Mirabito, L., Mitaroff, W., Mjoernmark, U., Moa, T., Moch, M., Moeller, R., Moenig, K., Monge, MARIA ROBERTA, 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., Nemecek, S., Neufeld, N., Nicolaidou, R., Nielsen, B., Nikolenko, M., Nomokonov, V., Normand, A., 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, Fabrizio, Parzefall, U., Passeri, A., Passon, O., Pegoraro, M., Peralta, L., Pernicka, M., Perrotta, A., Petridou, C., Petrolini, Alessandro, 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., Ratoff, P., Read, A., Rebecchi, P., Redaelli, N., Regler, M., Reid, D., Reinhardt, R., Renton, P., Resvanis, L., Richard, F., Ridky, J., Rinaudo, G., 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., Schneider, H., Schwemling, P., Schwering, B., Schwickerath, U., Schyns, M., Scuri, F., Seager, P., Sedykh, Y., Segar, A., Sekulin, R., Shellard, R., Sheridan, A., Siebel, M., Simard, L., Simonetto, F., Sisakian, A., Smadja, G., Smirnova, O., Smith, G., Sokolov, A., Sopczak, A., Sosnowski, R., Spassov, T., Spiriti, E., Sponholz, P., Squarcia, Sandro, Stanescu, C., Stanic, S., Stevenson, K., Stocchi, A., Strauss, J., Strub, R., Stugu, B., Szczekowski, M., Szeptycka, M., Tabarelli, T., Tchikilev, O., Tegenfeldt, F., Terranova, F., Thomas, J., Timmermans, J., Tinti, N., Tkatchev, L., Todorova, S., Tomaradze, A., Tome, B., Tonazzo, A., Tortora, L., Transtromer, G., Treille, D., Tristram, G., Trochimczuk, M., Troncon, C., Tsirou, A., Turluer, M., Tyapkin, I., Tzamarias, S., Ullaland, O., Uvarov, V., Valenti, G., Vallazza, E., Apeldoorn, G. V., Dam, P. V., Doninck, W. V., Eldik, J. V., Lysebetten, A. V., Vulpen, I. V., Vassilopoulos, N., Vegni, G., Ventura, L., Venus, W., Verbeure, F., Verlato, M., Vertogradov, L., Verzi, V., Vilanova, D., Vitale, L., Vlasov, E., Vodopyanov, A., Vollmer, C., Voulgaris, G., Vrba, V., Wahlen, H., Walck, C., Weiser, C., Wicke, D., Wickens, J., Wilkinson, G., Winter, M., Witek, M., Wolf, G., Yi, J., Yushchenko, O., Zaitsev, A., Zalewska, A., Zalewski, P., Zavrtanik, D., Zevgolatakos, E., Zimin, N., Zucchelli, G., Zumerle, G., Collaboration, D., 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 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), 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)-Université Grenoble Alpes (UGA), 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), Physique Corpusculaire et Cosmologie - Collège de France (PCC), 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 de Physique des Particules de Marseille (CPPM), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), DELPHI, BARBIELLINI AMIDEI, Guido, Cossutti, F., DELLA RICCA, Giuseppe, Poropat, Paolo, Vitale, Lorenzo, 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), 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), 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), 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), 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, Collaboration, Abreu, P., Adam, W., Canale, Vincenzo, 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), UCL - SST/IRMP - Institut de recherche en mathématique et physique, and Delphi (IHEF, IoP, FNWI)
Subjects: Nuclear and High Energy Physics, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, MASS, E+E-ANNIHILATION, 01 natural sciences, LARGE ELECTRON POSITRON COLLIDER, DECAYS, PARTICLE PHYSICS, DELPHI, 0103 physical sciences, PROGRAM, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, 010306 general physics, Particle Physics - Experiment
Abstract: The cross-section for the process $e^+e^-\rightarrow W^+W^-$ has been measured with the data sample collected by DELPHI at an average centre-of-mass energy of 182.65 GeV and corresponding to an integrated luminosity of 53 pb$^{-1}$. Based on the 770 events selected as $WW$ candidates, the cross-section for the doubly resonant process $ \sigma (e^+e^-\rightarrow W^+W^-) = 15.86~{\pm 0.69}~\mbox{(stat)} ~\pm 0.26~\mbox{(syst)~pb} $ has been measured and found to be in good agreement with the Standard Model expectation. The branching fractions of the $W$ decay were also measured. From these a value of the CKM mixing matrix element $ |V_{cs}| = 0.985 \pm 0.073~\mbox{(stat)} \pm 0.025 ~\mbox{(syst)}$ was derived. Our previously published $WW$ cross-section measurements and the derived measurement of $m_W$ have been revised and updated with the present cross-section measurement to yield $ m_W = 80.49 \pm 0.43 \mbox{(stat)} \pm 0.09 (\mathrm{syst}) \pm 0.03 (\mathrm{LEP})~{\mathrm GeV}/{\it c}^2$.
Published: 2016
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3. 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, GD, Alemany, R, Allmendinger, T, Allport, PP, Almehed, S, Amaldi, U, Amapane, N, Amato, S, Anassontzis, EG, Andersson, P, Andreazza, A, Andringa, S, Antilogus, P, Apel, WD, Arnoud, Y, Asman, B, Augustin, JE, Augustinus, A, Baillon, P, Ballestrero, A, Bambade, P, Barao, F, Barbiellini, G, Barbier, R, Bardin, DY, Barker, G, Baroncelli, A, Battaglia, M, Baubillier, M, Becks, KH, Begalli, M, Behrmann, A, Beilliere, P, Belokopytov, Y, Belous, K, Benekos, NC, Benvenuti, AC, Berat, C, Berggren, M, Bertrand, D, Besancon, M, Bilenky, MS, Bizouard, MA, Bloch, D, Blom, HM, Bonesini, M, Boonekamp, M, Booth, PSL, Borisov, G, Bosio, C, Botner, O, Boudinov, E, Bouquet, B, Bourdarios, C, Bowcock, TJV, Boyko, I, Bozovic, I, Bozzo, M, Bracko, M, Branchini, P, Brenner, RA, Bruckman, P, Brunet, JM, 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, MVC, Cattai, A, Cavallo, FR, Chabaud, V, Chapkin, P, Charpentier, P, Checchia, P, Chelkov, GA, 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, HB, Crennell, D, Crepe, S, Crosetti, G, Maestro, JC, 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, JD, Eigen, G, Ekelof, T, Ekspong, G, Ellert, M, Elsing, M, Engel, JP, Santo, ME, 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, AG, 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, EN, Gele, D, Geralis, T, Ghodbane, N, Gil, I, Glege, F, Gokieli, R, Golob, B, Gomez-Ceballos, G, Goncalves, P, Caballero, IG, 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, FJ, Hauler, F, Hedberg, V, Heising, S, Hernandez, JJ, Herquet, P, Herr, H, Heuser, JM, Higon, E, Holmgren, SO, Holt, PJ, Hoorelbeke, S, Houlden, M, Hrubec, J, Huber, M, Hughes, GJ, Hultqvist, K, Jackson, JN, Jacobsson, R, Jalocha, P, Janik, R, Jarlskog, C, Jarlskog, G, Jarry, P, Jean-Marie, B, Jeans, D, Johansson, EK, Jonsson, P, Joram, C, Juillot, P, Jungermann, L, Kapusta, F, Karafasoulis, K, Katsanevas, S, Katsoufis, EC, Keranen, R, Kernel, G, Kersevan, BP, Khokhlov, Y, Khomenko, BA, Khovanski, NN, Kiiskinen, A, King, B, Kinvig, A, Kjaer, NJ, 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, JW, Lane, DW, Lapin, V, Laugier, JP, 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, JG, Lopes, JH, Lopez, JM, Lopez-Fernandez, R, Loukas, D, Lutz, P, Lyons, L, MacNaughton, J, Mahon, JR, Maio, A, Malek, A, Malmgren, TGM, Maltezos, S, Malychev, V, Mandl, F, Marco, J, Marco, R, Marechal, B, Margoni, M, Marin, JC, Mariotti, C, Markou, A, Martinez-Rivero, C, Garcia, SMI, 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, WT, Miagkov, A, Migliore, E, Mirabito, L, Mitaroff, WA, Mjoernmark, U, Moa, T, Moch, M, Moeller, R, Moenig, K, Monge, MR, Moraes, D, 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, Nassiakou, M, Navarria, FL, Nawrocki, K, Negri, P, Neufeld, N, Nicolaidou, R, Nielsen, BS, Niezurawski, P, Nikolenko, M, Nomokonov, V, Nygren, A, Obraztsov, V, Olshevski, AG, 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, TD, 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, 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, Rames, J, Ratoff, PN, Read, AL, Rebecchi, P, Redaelli, NG, Regler, M, Rehn, J, Reid, D, Reinertsen, P, Reinhardt, R, Renton, PB, Resvanis, LK, Richard, F, Ridky, J, Rinaudo, G, Ripp-Baudot, I, 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, Savoy-Navarro, A, Schwemling, P, Schwering, B, Schwickerath, U, Scuri, F, Seager, P, Sedykh, Y, Segar, AM, Seibert, N, Sekulin, R, Sette, G, Shellard, RC, Siebel, M, Simard, L, Simonetto, F, Sisakian, AN, Smadja, G, Smirnova, O, Smith, GR, 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, T, Taffard, A, Tegenfeldt, F, Terranova, F, Timmermans, J, Tinti, N, Tkatchev, LG, 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, ML, Tyapkin, IA, Tyapkin, P, Tzamarias, S, Ullaland, O, Uvarov, V, Valenti, G, Vallazza, E, Van Dam, P, Van den Boeck, W, Van Doninck, WK, 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, LS, Verzi, V, Vilanova, D, Vitale, L, Vlasov, E, Vodopyanov, AS, Voulgaris, G, Vrba, V, Wahlen, H, Walck, C, Washbrook, AJ, 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, Zintchenko, A, Zoller, P, 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 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), 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)-Université Grenoble Alpes (UGA), 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), Physique Corpusculaire et Cosmologie - Collège de France (PCC), 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 de Physique des Particules de Marseille (CPPM), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), 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), 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), Aix Marseille Université (AMU)-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)-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)-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), 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), UCL - SST/IRMP - Institut de recherche en mathématique et physique, 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, BARBIELLINI AMIDEI, Guido, Cossutti, F., DELLA RICCA, Giuseppe, Poropat, Paolo, Vitale, Lorenzo, and DELPHI Collaboration
Subjects: Nuclear and High Energy Physics, Particle physics, E+E-ANNIHILATION, DELPHI, PROGRAM, DECAYS, MASS, Analytical chemistry, FOS: Physical sciences, Branching (polymer chemistry), 01 natural sciences, Partícules (Física nuclear), High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), electronic publishing, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Matrix element, 010306 general physics, Physics, high energy collider, 010308 nuclear & particles physics, LEP, LARGE ELECTRON POSITRON COLLIDER, neteconomy, FIS/01 - FISICA SPERIMENTALE, Pair production, PARTICLE PHYSICS, Física nuclear, High Energy Physics::Experiment, Particle Physics - Experiment
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., 16 pages, 4 figures
Published: 2000
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4. 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, Marco, 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., Silva, W. D., Ricca, G. D., Delpierre, P., Demaria, N., Angelis, A. D., Boer, W. D., Clercq, C. D., Lotto, B. D., Min, A. D., Paula, L. D., Dijkstra, H., Ciaccio, L. D., 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, Flavio, 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., Cubbin, M. M., Kay, R. M., Nulty, R. M., Pherson, G., Meroni, C., Meyer, W., Migliore, E., Mirabito, L., Mitaroff, W., Mjoernmark, U., Moa, T., Moch, M., Moeller, R., Moenig, K., Monge, MARIA ROBERTA, 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, Fabrizio, Parzefall, U., Passeri, A., Passon, O., Pavel, T., Pegoraro, M., Peralta, L., Pernicka, M., Perrotta, A., Petridou, C., Petrolini, Alessandro, 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, Mario, 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, Sandro, 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., Dam, P. V., Den, W. V., Eldik, J. V., Lysebetten, A. V., Remortal, N. v., Vulpen, I. V., 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., Collaboration, D., 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 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), 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)-Université Grenoble Alpes (UGA), 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), Physique Corpusculaire et Cosmologie - Collège de France (PCC), 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 de Physique des Particules de Marseille (CPPM), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), DELPHI, BARBIELLINI AMIDEI, Guido, Cossutti, F., DELLA RICCA, Giuseppe, Poropat, Paolo, Vitale, Lorenzo, 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), 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), Aix Marseille Université (AMU)-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)-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)-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), 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), Delphi, Collaboration, Abreu, P., Adam, W., Canale, Vincenzo, 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, and UCL - SST/IRMP - Institut de recherche en mathématique et physique
Subjects: Nuclear and High Energy Physics, Particle physics, COLLISIONS, Field (physics), LOWEST ORDER CALCULATIONS, ENERGIES, MONTE-CARLO SIMULATION, FOS: Physical sciences, 2-PHOTON PROCESSES, 01 natural sciences, Lightest Supersymmetric Particle, Partícules (Física nuclear), Standard Model, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), RADIATIVE-CORRECTIONS, PROGRAM, Chargino, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Higgsino, 010306 general physics, Nuclear Experiment, DELPHI, Physics, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, Gaugino, LEP, LARGE ELECTRON POSITRON COLLIDER, Sfermion, Neutralino, PARTICLE PHYSICS, Física nuclear, High Energy Physics::Experiment, Particle Physics - Experiment
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., Comment: 14 pages, 5 figures
Published: 2000
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5. The beam and detector for the NA48 neutral kaon CP violation experiment at CERN

Author: Fanti, V, Lai, A, Marras, D, Musa, L, Nappi, A, Batley, R, Bevan, A, Dosanjh, RS, Galik, R, Gershon, T, Hay, B, Kalmus, GE, Katvars, S, Lazzeroni, C, Moore, R, Munday, DJ, Needham, MD, Olaiya, E, Parker, MA, Patel, M, Slater, M, Takach, S, White, T, Wotton, SA, Bal, E, Barr, G, Bocquet, G, Bremer, J, Brodier-Yourstone, R, Buchholz, P, Burns, M, Ceccucci, A, Clement, M, Cuhadar-Doenzelsmann, T, Cundy, D, Doble, N, Falaleev, V, Formenti, E, Funk, W, Gatignon, L, Gonidec, A, Grafstroem, P, Hallgren, B, Kapusta, P, Kesseler, G, Kubischta, W, Iwanski, W, Lacourt, A, Laverriere, G, Linser, G, Ljuslin, C, Marchioro, A, Mast, M, Matheys, JR, Morel, M, Norton, A, Orlic, JP, Panzer-Steindel, B, Schinzel, D, Seidl, W, Taureg, H, Tarle, J-C, Velasco, M, Vossnack, O, Wahl, H, Wertelaers, R, Weterings, J, Cheshkov, C, Gaponenko, A, Goudzovski, E, Hristov, P, Kalinin, A, Kekelidze, V, Kozhevnikov, Y, Madigozhin, D, Molokanova, N, Potrebenikov, Y, Tkatchev, A, Zinchenko, A, Boyle, O, Knowles, I, Martin, V, Parsons, H, Peach, KJ, Sacco, R, Veitch, E, Walker, A, Carassiti, V, Contalbrigo, M, Ramusino, AC, Dalpiaz, R, Damiani, C, Duclos, J, Ferretti, P, Frabetti, PL, Gianoli, A, Martini, M, Petrucci, E, Porcu, M, Rossi, F, Savrie, M, Scarpa, M, Simani, C, Bizzeti, A, Calvetti, M, Collazuol, G, Graziani, G, Lacopini, E, Lenti, M, Martelli, F, Michetti, A, Ruggiero, G, Veltri, M, Becker, HG, Behler, M, Bluemer, H, Coward, D, Ebersberger, C, Eppard, K, Eppard, M, Fox, H, Geib, KH, Hirstius, A, Kalter, A, Kleinknecht, K, Koch, U, Koepke, L, Lopes da Silva, R, Luitz, S, Marouelli, P, Masetti, L, Melzer-Pellmann, I, Moosbrugger, U, Morales, C, Peters, A, Renk, B, Scheidt, J, Schmidt, J, Schmidt, SA, Schoenharting, V, Schue, Y, Staeck, J, Wanke, R, Wilhelm, R, Winhart, A, Wittgen, M, Zeitnitz, O, Dabrowski, A, Fonseca Martin, TM, Chollet, JC, Crepe, S, De la Taille, C, Fayard, L, Iconomidou-Fayard, L, Martin-Chassard, G, Ocariz, J, Unal, G, Wingerter-Seez, I, Anzivino, G, Bordacchini, E, Cenci, R, Imbergamo, E, Lariccia, P, Lubrano, P, Mestvirishivili, A, Papi, A, Pepe, M, Piccini, M, Punturo, M, Talamonti, C, Tondini, F, Bertanza, L, Calafiura, P, Carosi, R, Casali, R, Cerri, C, Cirilli, M, Costantini, E, Fantechi, R, Fidecaro, E, Fiorini, L, Giudici, S, Gorini, B, Laico, F, Lamanna, G, Mannelli, I, Marzulli, V, Passuello, D, Pierazzini, GM, Raffaelli, F, Sozzi, M, Tripiccione, R, Anvar, S, Bederede, D, Bugeon, E, Cheze, JB, Cogan, J, De Beer, M, Debu, P, Durand, D, Edard, S, Fallou, JL, Formica, A, Gosset, L, de Cassagnac, RG, Heitzmann, J, Le Provost, H, Louis, F, Mandzhavidze, I, Mazzucato, E, Migliori, A, Mur, M, Peyaud, B, Schanne, S, Steinkamp, O, Tarte, G, Turlay, R, Vallage, B, Holder, M, Augustin, I, Bender, M, Maier, A, Schwarz, I, Ziolkowski, M, Arcidiacono, R, Barberis, PL, Benotto, F, Bertolino, E, Biino, C, Brunasso, O, Cartiglia, N, Clemencic, M, Dattola, D, Lopez, SG, Govi, G, Guida, R, Marchetto, F, Menichetti, E, Palestini, S, Pastrone, N, Chlopik, A, Guzik, Z, Nassalski, J, Rondio, E, Szleper, M, Wislicki, W, Wronka, S, Dibon, H, Fischer, G, Jeitler, M, Markytan, M, Mikulec, I, Neuhofer, G, Pernicka, M, Taurok, A, Widhalm, L, Collaboration, N, 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), Département d'Astrophysique, de physique des Particules, de physique Nucléaire et de l'Instrumentation Associée (DAPNIA), Commissariat à l'énergie atomique et aux énergies alternatives (CEA), NA48, and 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)
Subjects: Nuclear and High Energy Physics, Particle physics, acceleratori, NA62 experiment, 01 natural sciences, LIQUID-KRYPTON CALORIMETER, DECAYS, NO, fasci di particelle, Kaon beams, Nuclear physics, DRIFT CHAMBER ELECTRONICS, CERN, Violazione di CP, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Kaon decays, detector, CP violation, 010306 general physics, Instrumentation, 07.05.Fb, 13.20.Eb, 29.40.Vj, 29.27.Eg, Physics, Calorimeter, Large Hadron Collider, CRYSTAL, 010308 nuclear & particles physics, PROTON TAGGING DETECTOR, PC FARM, TRIGGER, SYSTEM, READOUT, PERFORMANCE, Detector, Hyperon, NA48 experiment, Detectors, Magnetic spectrometer, rivelatori, kaon decay, Trigger, High Energy Physics::Experiment, Particle Physics - Experiment, Beam (structure)
Abstract: The beam and detector, used for the NA48 experiment, devoted to the measurement of Re (ε{lunate}′ / ε{lunate}), and for the NA48/1 experiment on rare KS and neutral hyperon decays, are described. © 2007 Elsevier B.V. All rights reserved.
Published: 2007
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6. A measurement of the K-S lifetime

Author: Lai, A, Marras, D, Batley, JR, Bevan, A, Dosanjh, RS, Gershon, TJ, Hay, B, Kalmus, GE, Lazzeroni, C, Munday, DJ, Needham, MD, Olaiya, E, Parker, MA, White, TO, Wotton, SA, Barr, G, Bocquet, G, Ceccucci, A, Cuhadar-Donszelmann, T, Cundy, D, D'Agostini, G, Doble, N, Falaleev, V, Funk, W, Gatignon, L, Gonidec, A, Gorini, B, Govi, G, Grafstrom, P, Kubischta, W, Lacourt, A, Lenti, M, Luitz, S, Matheys, JP, Mikulec, I, Norton, A, Palestini, S, Panzer-Steindel, B, Schinzel, D, Tatishvili, G, Taureg, H, Velasco, M, Vossnack, O, Wahl, H, Cheshkov, C, Gaponenko, A, Hristov, P, Kekelidze, V, Madigojine, D, Molokanova, N, Potrebenikov, Y, Tkatchev, A, Zinchenko, A, Knowles, I, Martin, V, Parsons, H, Sacco, R, Walker, A, Contalbrigo, M, Dalpiaz, P, Duclos, J, Frabetti, PL, Gianoli, A, Martini, M, Petrucci, F, Savrie, M, Scarpa, M, Bizzeti, A, Calvetti, M, Collazuol, G, Graziani, G, Iacopini, E, Martelli, F, Veltri, M, Becker, HG, Blumer, H, Coward, D, Eppard, M, Fox, H, Hirstius, A, Holtz, K, Kalter, A, Kleinknecht, K, Koch, U, Kopke, L, da Silva, PL, Marouelli, P, Pellmann, I, Peters, A, Schmidt, SA, Schonharting, V, Schue, Y, Wanke, R, Winhart, A, Wittgen, M, Chollet, JC, Crepe, S, Fayard, L, Iconomidou-Fayard, L, Ocariz, J, Unal, G, Wingerter-Seez, I, Anzivino, G, Cenci, P, Imbergamo, E, Lubrano, P, Mestvirishvili, A, Nappi, A, Pepe, M, Piccini, M, Bertanza, L, Bigi, A, Calafiura, P, Carosi, R, Casali, R, Cerri, C, Cirilli, M, Costantini, F, Fantechi, R, Giudici, S, Mannelli, I, Pierazzini, G, Sozzi, M, Cheze, JB, Cogan, J, De Beer, M, Debu, P, Derue, F, Formica, A, de Cassagnac, RG, Mazzucato, E, Peyaud, B, Turlay, R, Vallage, B, Augustin, I, Bender, M, Holder, M, Maier, A, Ziolkowski, M, Arcidiacono, R, Biino, C, Cartiglia, N, Guida, R, Marchetto, F, Menichetti, E, Pastrone, N, Nassalski, J, Rondio, E, Szleper, M, Wislicki, W, Wronka, S, Dibon, H, Fischer, G, Jeitler, M, Markytan, M, Neuhofer, G, Pernicka, M, Taurok, A, Widhalm, L, Collaboration, N, Kerec, Hélène, 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), and NA48
Subjects: Systematic error, Nuclear and High Energy Physics, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], NA48 EXPERIMENT, CERN, ELECTRONICS, SYSTEM, DECAYS, FOS: Physical sciences, mesoni K, vita media, K meson lifetime, k mesons, 01 natural sciences, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], K short, 010306 general physics, Physics, lifetime, K-meson lifetime, Large Hadron Collider, 010308 nuclear & particles physics, Detector, High Energy Physics::Phenomenology, NA48 experiment, Decay time, Physics::Accelerator Physics, High Energy Physics::Experiment, Particle Physics - Experiment
Abstract: A measurement of the K_S lifetime is presented using data recorded by the NA48 experiment at the CERN-SPS during 1998 and 1999. The K_S lifetime is derived from the ratio of decay time distributions in simultaneous, collinear K_S and K_L beams, giving a result which is approximately independent of the detector acceptance and with reduced systematic errors. The result obtained is tau_S=(0.89598 +- 0.00048 +- 0.00051)x10^(-10) s, where the first error is statistical and the second systematic., 12 pages, 1 figure, to be published in Physics Letters B
Published: 2002

7. A precise measurement of the direct CP violation parameter Re(epsilon '/epsilon)

Author: Lai, A, Marras, D, Bevan, A, Dosanjh, Rs, Gershon, Tj, Hay, B, Kalmus, Ge, Lazzeroni, C, Munday, Dj, Needham, Md, Olaiya, E, Parker, Ma, White, To, Wotton, Sa, Barr, G, Bocquet, G, Ceccucci, A, CUHADAR DONSZELMANN, T, Cundy, D, D'Agostini, Giulio, Doble, N, Falaleev, V, Funk, W, Gatignon, L, Gonidec, A, Gorini, B, Govi, G, Grafstrom, P, Kubischta, W, Lacourt, A, Lenti, M, Luitz, S, Matheys, Jp, Mikulec, I, Norton, A, Palestini, S, PANZER STEINDEL, B, Schinzel, D, Tatishvili, G, Taureg, H, Velasco, M, Vossnack, O, Wahl, H, Cheshkov, C, Gaponenko, A, Hristov, P, Kekelidze, V, Madigojine, D, Molokanova, N, Potrebenikov, Y, Tkatchev, A, Zinchenko, A, Knowles, I, Martin, V, Parsons, H, Sacco, R, Walker, A, Contalbrigo, M, Dalpiaz, P, Duclos, J, Frabetti, Pl, Gianoli, A, Martini, M, Petrucci, F, Savrie, M, Scarpa, M, Bizzeti, A, Calvetti, M, Collazuol, G, Graziani, G, Iacopini, E, Martelli, F, Veltri, M, Becker, Hg, Blumer, H, Coward, D, Eppard, M, Fox, H, Hirstius, A, Holtz, K, Kalter, A, Kleinknecht, K, Koch, U, Kopke, L, DA SILVA PL, Marouelli, P, Pellmann, I, Peters, A, Schmidt, Sa, Schonharting, V, Schue, Y, Wanke, R, Winhart, A, Wittgen, M, Chollet, Jc, Crepe, S, Fayard, L, ICONOMIDOU FAYARD, L, Ocariz, J, Unal, G, WINGERTER SEEZ, I, Anzivino, G, Cenci, P, Imbergamo, E, Lubrano, P, Mestvirishvili, A, Nappi, A, Pepe, M, Piccini, M, Bertanza, L, Calafiura, P, Carosi, R, Casali, R, Cerri, C, Cirilli, M, Costantini, F, Fantechi, R, Giudici, S, Mannelli, I, Marzulli, V, Pierazzini, G, Sozzi, M, Cheze, Jb, Cogan, J, DE BEER, M, Debu, P, Derue, F, Formica, A, DE CASSAGNAC RG, Mazzucato, E, Peyaud, B, Turlay, R, Vallage, B, Augustin, I, Bender, M, Holder, M, Maier, A, Ziolkowski, M, Arcidiacono, R, Biino, C, Cartiglia, N, Guida, R, Marchetto, F, Menichetti, E, Pastrone, N, Nassalski, J, Rondio, E, Szlepor, M, Wislicki, W, Wronka, S, Dibon, H, Fischer, G, Jeitler, M, Markytan, M, Neuhofer, G, Pernicka, M, Taurok, A, and Widhalm, L.
Subjects: ELECTRONICS, NA48 EXPERIMENT, CRYSTAL, High Energy Physics::Experiment, CERN SPS, CALORIMETER, Nuclear Experiment, TAGGING DETECTOR, Particle Physics - Experiment, NEUTRAL KAON, DECAYS, SYSTEM
Abstract: The direct CP violation parameter $\Re(\epsilon'/\epsilon)$ has been measured from the decay rates of neutral kaons into two pions using the NA48 detector at the CERN SPS. With 3.3 million $K_{L} \to \pi^{0}\pi^{0}$ events collected during the 1998 and 1999 running periods, a result of $\Re(\epsilon'/\epsilon) = (15.0 \pm 2.7) \times 10^{-4}$ has been obtained. The result combined with the published 1997 sample is $\Re(\epsilon'/\epsilon) = (15.3 \pm 2.6) \times 10^{-4}$. The direct CP violation parameter Re(epsilon'/epsilon) has been measured from the decay rates of neutral kaons into two pions using the NA48 detector at the CERN SPS. With 3.3 million KL->pi0pi0 events collected during the 1998 and 1999 running periods, a result of Re(epsilon'/epsilon) = (15.0 +- 2.7)x10-4 has been obtained. The result combined with the published 1997 sample is Re(epsilon'/epsilon) = (15.3 +- 2.6)x10-4.
Published: 2001

8. Search for charginos in $e^+ e^-$ interactions at $\sqrt{s}$= 189 GeV

Author: Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Albrecht, Z., Alderweireld, T., Alekseev, G D., Alemany, R., Allmendinger, T., Allport, P P., Almehed, S., Amaldi, U., Amapane, N., Amato, S., Anassontzis, E G., Andersson, P., Andreazza, A., Andringa, S., Antilogus, P., Apel, W D., Arnoud, Y., Asman, B., Augustin, J.-E., Augustinus, A., Baillon, P., Bambade, P., Barao, F., Barbiellini, Guido, Barbier, R., Bardin, D Yu., Barker, G., Baroncelli, A., Battaglia, M., Baubillier, M., Becks, K H., Begalli, M., Behrmann, A., Beilliere, P., Belokopytov, Yu., Benekos, N C., Benvenuti, A C., Berat, C., Berggren, M., Bertrand, D., Besancon, M., Bigi, M., Bilenkii, M S., Bizouard, M A., Bloch, D., Blom, H M., Bonesini, M., Boonekamp, M., Booth, P S L., Borgland, A W., Borisov, G., Bosio, C., Botner, O., Boudinov, E., Bouquet, B., Bourdarios, C., Bowcock, T J V., Boyko, I., Bozovic, I., Bozzo, M., Bracko, M., Branchini, P., Brenner, R A., Bruckman, P., Brunet, J M., Bugge, L., Buran, T., Buschbeck, B., Buschmann, P., Cabrera, S., Caccia, M., Calvi, M., Camporesi, T., Canale, V., Carena, F., Carroll, L., Caso, C., Castillo-Gimenez, M V., Cattai, A., Cavallo, F R., Chabaud, V., Charpentier, P., Checchia, P., Chelkov, G A., Chierici, R., Shlyapnikov, P., Chochula, P., Chorowicz, V., Chudoba, J., Cieslik, K., Collins, P., Contri, R., Cortina, E., Cosme, G., Cossutti, F., Crawley, H B., Crennell, D., Crepe, S., Crosetti, G., Cuevas-Maestro, J., Czellar, S., Davenport, M., Da Silva, W., Della Ricca, G., Delpierre, P A., 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 D., Eigen, G., Ekeloef, T., Ekspong, G., Ellert, M., Elsing, M., Engel, J.P., Espirito 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 G., Fruehwirth, 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 N., Gele, D., Geralis, T., Gerdyukov, L., Ghodbane, N., Gil, I., Glege, F., Gokieli, R., Golob, B., Gomez-Ceballos, G., Goncalves, P., Gonzalez-Caballero, I., Gopal, G., Gorn, L., Guz, Yu., 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 J., Hedberg, V., Heising, S., Hernandez, J J., Herquet, P., Herr, H., Hessing, T L., Heuser, J M., Higon, E., Holmgren, S O., Holt, P J., Hoorelbeke, S., Houlden, M., Hrubec, J., Huber, M., Huet, K., Hughes, G J., Hultqvist, K., Jackson, J N., Jacobsson, R., Jalocha, P., Janik, R., Jarlskog, C., Jarlskog, G., Jarry, P., Jean-Marie, B., Jeans, D., Johansson, E K., Jonsson, P., Joram, C., Juillot, P., Jungermann, L., Kapusta, F., Karafasoulis, K., Katsanevas, S., Katsoufis, E C., Keranen, R., Kernel, G., Kersevan, B P., Khokhlov, Yu., Khomenko, B A., Khovanskii, N N., Kiiskinen, A., King, B J., Kinvig, A., Kjaer, N J., Klapp, O., Klein, H., Kluit, P., Kokkinias, P., Kostyukhin, V., Kourkoumelis, C., Kuznetsov, O., Krammer, M., Kriznic, E., Krumshtein, Z., Kubinec, P., Kurowska, J., Kurvinen, K., Lamsa, J W., Lane, D W., Laugier, J P., 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 G., Lopes, J H., Lopez, J M., Lopez-Fernandez, R., Loukas, D., Lutz, P., Lyons, L., MacNaughton, J., Mahon, J R., Maio, A., Malek, A., Malmgren, T G M., Maltezos, S., 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., Masik, J., Mastroyiannopoulos, N., Matorras, F., Matteuzzi, C., Matthiae, G., Mazzucato, F., Mazzucato, M., McCubbin, M., McKay, R., McNulty, R., McPherson, G., Meroni, C., Meyer, W T., Migliore, E., Mirabito, L., Mitaroff, W A., Mjoernmark, U., Moa, T., Moch, M., Moller, R., Moenig, K., Monge, M R., Moraes, D., Moreau, X., Morettini, P., Morton, G., Mueller, U., Muenich, K., Mulders, M., Mulet-Marquis, C., Muresan, R., Murray, W J., Muryn, B., Myatt, G., Myklebust, T., Naraghi, F., Nassiakou, M., Navarria, F L., Navas, S., Nawrocki, K., Negri, P., Neufeld, N., Nicolaidou, R., Nielsen, B S., Niezurawski, P., Nikolenko, M., Nomokonov, V., Nygren, A., Obraztsov, V F., Olshevskii, A G., Onofre, A., Orava, R., Orazi, G., Osterberg, K., Ouraou, A., Paganoni, M., Paiano, S., Pain, R., Paiva, R., Palacios, J., Palka, H., Papadopoulou, T D., 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 T., Pierre, F., Pimenta, M., Piotto, E., Podobnik, T., Pol, M E., Polok, G., Poropat, P., Pozdnyakov, V., Privitera, P., Pukhaeva, N., Pullia, A., Radojicic, D., Ragazzi, S., Rahmani, H., Rames, J., Ratoff, P N., Read, A L., Rebecchi, P., Redaelli, N G., Regler, M., Rehn, J., Reid, D., Reinhardt, R., Renton, P B., Resvanis, L K., Richard, F., Ridky, J., Rinaudo, G., Ripp-Baudot, I., Rohne, O., Romero, A., Ronchese, P., Rosenberg, E I., Rosinsky, P., Roudeau, P., Rovelli, T., Royon, C., Ruhlmann-Kleider, V., Ruiz, A., Saarikko, H., Sacquin, Y., Sadovskii, A., Sajot, G., Salt, J., Sampsonidis, D., Sannino, M., Schwemling, P., Schwering, B., Schwickerath, U., Scuri, F., Seager, P., Sedykh, Yu., Segar, A M., Seibert, N., Sekulin, R., Shellard, R C., Siebel, M., Simard, L., Simonetto, F., Sissakian, A N., Smadja, G., Smirnov, N., Smirnova, O., Smith, G R., Sokolov, A., Sopczak, A., Sosnowski, R., Spassoff, Tz., 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., Chikilev, O., Tegenfeldt, F., Terranova, F., Thomas, J., Timmermans, J., Tinti, N., Tkatchev, L G., Tobin, M., Todorova, S., Tomaradze, A G., Tome, B., Tonazzo, A., Tortora, L., Tortosa, Pablo, Transtroemer, G., Treille, D., Tristram, G., Trochimczuk, M., Troncon, C., Turluer, M L., Tyapkin, I A., 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 K., 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 S., Verzi, V., Vilanova, D., Vitale, L., Vlasov, E., Vodopyanov, A., Voulgaris, G., Vrba, V., Wahlen, H., Walck, C., Washbrook, A J., Weiser, C., Wicke, D., Wickens, J H., Wilkinson, G R., Winter, M., Witek, M., Wolf, G., Yi, J., Yushchenko, O., Zalewska, A., Zalewski, P., Zavrtanik, D., Zevgolatakos, E., Zimin, N I., Zintchenko, A., Zoller, P., Zucchelli, G C., Zumerle, G., 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 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), 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)-Université Grenoble Alpes (UGA), 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), Physique Corpusculaire et Cosmologie - Collège de France (PCC), 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 de Physique des Particules de Marseille (CPPM), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), 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), 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), 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), 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), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and 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)
Subjects: High Energy Physics - Experiment (hep-ex), [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], FOS: Physical sciences, Particle Physics - Experiment, High Energy Physics - Experiment
Abstract: An update of the searches for charginos and gravitinos is presented, based on a data sample corresponding to the 158 pb^{-1} recorded by the DELPHI detector in 1998, at a centre-of-mass energy of 189 GeV. No evidence for a signal was found. The lower mass limits are 4-5 GeV/c^2 higher than those obtained at a centre-of-mass energy of 183 GeV. The (\mu,M_2) MSSM domain excluded by combining the chargino searches with neutralino searches at the Z resonance implies a limit on the mass of the lightest neutralino which, for a heavy sneutrino, is constrained to be above 31.0 GeV/c^2 for tan(beta) \geq 1., Comment: 22 pages, 8 figures
Published: 2000
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9. Search for Heavy Stable and Long-Lived Particles in $e^+ e^-$ Collisions at $\sqrt{s}$=189 GeV

Author: Abreu, P., Adam, W., Adye, T., Adzic, P., Albrecht, Z., Alderweireld, T., Alekseev, G.D., Alemany, R., Allmendinger, T., Allport, P.P., Almehed, S., Amaldi, U., Amapane, N., Amato, S., Anassontzis, E.G., Andersson, P., Andreazza, A., Andringa, S., Antilogus, P., Apel, W.D., Arnoud, Y., Asman, B., Augustin, J.-E., Augustinus, A., Baillon, P., Bambade, P., Barao, F., Barbiellini, Guido, Barbier, R., Bardin, D.Yu., Barker, G., Baroncelli, A., Battaglia, M., Baubillier, M., Becks, K.H., Begalli, M., Behrmann, A., Beilliere, P., Belokopytov, Yu., Belous, K., Benekos, N.C., Benvenuti, A.C., Berat, C., Berggren, M., Bertrand, D., Besancon, M., Bigi, M., Bilenkii, M.S., Bizouard, M.A., Bloch, D., Blom, H.M., Bonesini, M., Boonekamp, M., Booth, P.S.L., Borgland, A.W., Borisov, G., Bosio, C., Botner, O., Boudinov, E., Bouquet, B., Bourdarios, C., Bowcock, T.J.V., Boyko, I., Bozovic, I., Bozzo, M., Bracko, M., Branchini, P., Brenner, R.A., Bruckman, P., Brunet, J.M., Bugge, L., Buran, T., Buschbeck, B., Buschmann, P., Cabrera, S., Caccia, M., Calvi, M., Camporesi, T., Canale, V., Carena, F., Carroll, L., Caso, C., Castillo-Gimenez, M.V., Cattai, A., Cavallo, F.R., Chabaud, V., Chapkin, M., Charpentier, P., Checchia, P., Chelkov, G.A., Chierici, R., Shlyapnikov, P., Chochula, P., Chorowicz, V., Chudoba, J., Cieslik, K., Collins, P., Contri, R., Cortina, E., Cosme, G., Cossutti, F., Crawley, H.B., Crennell, D., Crepe, S., Crosetti, G., Cuevas-Maestro, J., Czellar, S., Davenport, M., Da Silva, W., Della Ricca, G., Delpierre, P.A., 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.D., Eigen, G., Ekelof, T., Ekspong, G., Ellert, M., Elsing, M., Engel, J.P., Espirito Santo, M., Fanourakis, G., Fassouliotis, D., Fayot, J., Feindt, M., Ferrer, A., Ferrer-Ribas, E., Ferro, F., Fichet, S., Firestone, A., Flagmeyer, U., Foth, H., Fokitis, E., Fontanelli, F., Franek, B., Frodesen, A.G., 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.N., Gele, D., Geralis, T., Ghodbane, N., Gil, I., Glege, F., Gokieli, R., Golob, B., Gomez-Ceballos, G., Goncalves, P., Gonzalez Caballero, I., Gopal, G., Gorn, L., Guz, Yu., 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.J., Hedberg, V., Heising, S., Hernandez, J.J., Herquet, P., Herr, H., Hessing, T.L., Heuser, J.M., Higon, E., Holmgren, S.O., Holt, P.J., Hoorelbeke, S., Houlden, M., Hrubec, J., Huber, M., Huet, K., Hughes, G.J., Hultqvist, K., Jackson, J.N., Jacobsson, R., Jalocha, P., Janik, R., Jarlskog, C., Jarlskog, G., Jarry, P., Jean-Marie, B., Jeans, D., Johansson, E.K., Jonsson, P., Joram, C., Juillot, P., Jungermann, L., Kapusta, F., Karafasoulis, K., Katsanevas, S., Katsoufis, E.C., Keranen, R., Kernel, G., Kersevan, B.P., Khokhlov, Yu., Khomenko, B.A., Khovanskii, N.N., Kiiskinen, A., King, B.J., Kinvig, A., Kjaer, N.J., Klapp, O., Klein, H., Kluit, P., Kokkinias, P., Kostyukhin, V., Kourkoumelis, C., Kuznetsov, O., Krammer, M., Kriznic, E., Krumshtein, Z., Kubinec, P., Kurowska, J., Kurvinen, K., Lamsa, J.W., Lane, D.W., Lapin, V., Laugier, J.P., 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.G., Lopes, J.H., Lopez, J.M., Lopez-Fernandez, R., Loukas, D., Lutz, P., Lyons, L., MacNaughton, J., Mahon, J.R., Maio, A., Malek, A., Malmgren, T.G.M., Maltezos, S., 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., Masik, J., Mastroyiannopoulos, N., Matorras, F., Matteuzzi, C., Matthiae, G., Mazzucato, F., Mazzucato, M., McCubbin, M., McKay, R., McNulty, R., McPherson, G., Meroni, C., Meyer, W.T., Myagkov, A., Migliore, E., Mirabito, L., Mitaroff, W.A., Mjornmark, U., Moa, T., Moch, M., Moller, R., Monig, K., Monge, M.R., Moraes, D., Moreau, X., Morettini, P., Morton, G., Mueller, U., Muenich, K., Mulders, M., Mulet-Marquis, C., Muresan, R., Murray, W.J., Muryn, B., Myatt, G., Myklebust, T., Naraghi, F., Nassiakou, M., Navarria, F.L., Navas, S., Nawrocki, K., Negri, P., Neufeld, N., Nicolaidou, R., Nielsen, B.S., Niezurawski, P., Nikolenko, M., Nomokonov, V., Nygren, A., Obraztsov, V.F., Olshevskii, A.G., Onofre, A., Orava, R., Orazi, G., Osterberg, K., Ouraou, A., Paganoni, M., Paiano, S., Pain, R., Paiva, R., Palacios, J., Palka, H., Papadopoulou, T.D., 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.T., Pierre, F., Pimenta, M., Piotto, E., Podobnik, T., Pol, M.E., Polok, G., Poropat, P., Pozdnyakov, V., Privitera, P., Pukhaeva, N., Pullia, A., Radojicic, D., Ragazzi, S., Rahmani, H., Rames, J., Ratoff, P.N., Read, A.L., Rebecchi, P., Redaelli, N.G., Regler, M., Rehn, J., Reid, D., Reinhardt, R., Renton, P.B., Resvanis, L.K., Richard, F., Ridky, J., Rinaudo, G., Ripp-Baudot, I., Rohne, O., Romero, A., Ronchese, P., Rosenberg, E.I., Rosinsky, P., Roudeau, P., Rovelli, T., Royon, C., Ruhlmann-Kleider, V., Ruiz, A., Saarikko, H., Sacquin, Y., Sadovskii, A., Sajot, G., Salt, J., Sampsonidis, D., Sannino, M., Schwemling, P., Schwering, B., Schwickerath, U., Scuri, F., Seager, P., Sedykh, Yu., Segar, A.M., Seibert, N., Sekulin, R., Shellard, R.C., Siebel, M., Simard, L., Simonetto, F., Sissakian, A.N., Smadja, G., Smirnova, O., Smith, G.R., Solovyanov, O., Sopczak, A., Sosnowski, R., Spassoff, Tz., 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.G., Tobin, M., Todorova, S., Tomaradze, A.G., Tome, B., Tonazzo, A., Tortora, L., Tortosa, Pablo, Transtromer, G., Treille, D., Tristram, G., Trochimczuk, M., Troncon, C., Turluer, M.L., Tyapkin, I.A., Tyapkin, P., Tzamarias, S., Ullaland, O., Uvarov, V., Valenti, G., Vallazza, E., Van Dam, P., Vanden Boeck, W., Van Doninck, W.K., Van Eldik, J., Van Lysebetten, A., Van Remortel, N., Van Vulpen, I., Vegni, G., Ventura, Laurent, Venus, W., Verbeure, F., Verdier, P., Verlato, M., Vertogradov, L.S., Verzi, V., Vilanova, D., Vitale, L., Vlasov, E., Vodopyanov, A., Voulgaris, G., Vrba, V., Wahlen, H., Walck, C., Washbrook, A.J., Weiser, C., Wicke, D., Wickens, J.H., Wilkinson, G.R., Winter, M., Witek, M., Wolf, G., Yi, J., Yushchenko, O., Zalewska, A., Zalewski, P., Zavrtanik, D., Zevgolatakos, E., Zimin, N.I., Zintchenko, A., Zoller, P., Zucchelli, G.C., Zumerle, G., 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 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), 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)-Université Grenoble Alpes (UGA), 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), Physique Corpusculaire et Cosmologie - Collège de France (PCC), 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 de Physique des Particules de Marseille (CPPM), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), 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), 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), 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), 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), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and 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)
Subjects: High Energy Physics - Experiment (hep-ex), [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], FOS: Physical sciences, High Energy Physics::Experiment, Particle Physics - Experiment, High Energy Physics - Experiment
Abstract: A search for stable and long-lived heavy charged particles was performed using the data taken by the DELPHI experiment at an energy of 189 GeV. The Cherenkov light detected in the Ring Imaging Cherenkov Detector and the ionisation loss measured in the Time Projection Chamber were used to identify heavy particles passing through the detector. No evidence for the production of such particles has been found, therefore exclusion limits at 95% confidence level were derived on the masses of left and right handed smuons and staus. The results were combined with previous DELPHI searches in this channel. Including previous DELPHI results, masses of left (right) handed stable smuons and staus can be excluded between 2 GeV/c^2 and 88 (87.5) GeV/c^2 at 95% CL., Comment: 9 pages, 2 figures
Published: 2000
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10. Study of $B^0_s - \overline{B^0_s}$ oscillations and $B^0_s$ lifetimes using hadronic decays of $B^0_s$ mesons

Author: Abreu, P., Adam, W., Adye, T., Adzic, P., Azhinenko, I., Albrecht, Z., Alderweireld, T., Alekseev, G.D., Alemany, R., Allmendinger, T., Allport, P.P., Almehed, S., Amaldi, U., Amapane, N., Amato, S., Anassontzis, E.G., Andersson, P., Andreazza, A., Andringa, S., Antilogus, P., Apel, W.D., Arnoud, Y., Asman, B., Augustin, J.-E., Augustinus, A., Baillon, P., Bambade, P., Barao, F., Barbiellini, Guido, Barbier, R., Bardin, D.Yu., Barker, G., Baroncelli, A., Battaglia, M., Baubillier, M., Becks, K.H., Begalli, M., Behrmann, A., Beilliere, P., Belokopytov, Yu., Benekos, N.C., Benvenuti, A.C., Berat, C., Berggren, M., Bertini, D., Bertrand, D., Besancon, M., Bigi, M., Bilenkii, M.S., Bizouard, M.A., Bloch, D., Blom, H.M., Bonesini, M., Bonivento, W., Boonekamp, M., Booth, P.S.L., Borgland, A.W., Borisov, G., Bosio, C., Botner, O., Boudinov, E., Bouquet, B., Bourdarios, C., Bowcock, T.J.V., Boyko, I., Bozovic, I., Bozzo, M., Bracko, M., Branchini, P., Brenke, T., Brenner, R.A., Bruckman, P., Brunet, J.M., Bugge, L., Buran, T., Burgsmuller, T., Buschbeck, B., Buschmann, P., Cabrera, S., Caccia, M., Calvi, M., Camporesi, T., Canale, V., Carena, F., Carroll, L., Caso, C., Castillo Gimenez, M.V., Cattai, A., Cavallo, F.R., Chabaud, V., Charpentier, P., Chaussard, L., Checchia, P., Chelkov, G.A., Chierici, R., Shlyapnikov, P., Chochula, P., Chorowicz, V., Chudoba, J., Cieslik, K., Collins, P., Contri, R., Cortina, E., Cosme, G., Cossutti, F., Crawley, H.B., Crennell, D., Crepe, S., Crosetti, G., Cuevas Maestro, J., Czellar, S., Davenport, M., Da Silva, W., Deghorain, A., 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.D., Eigen, G., Ekelof, T., Ekspong, G., Ellert, M., Elsing, M., Engel, J.P., Espirito Santo, M., Fanourakis, G., Fassouliotis, D., Fayot, J., Feindt, M., Fenyuk, A., Ferrari, P., Ferrer, A., Ferrer-Ribas, E., Ferro, F., Fichet, S., Firestone, A., Flagmeyer, U., Foeth, H., Fokitis, E., Fontanelli, F., Franek, B., Frodesen, A.G., 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.N., Gele, D., Ghodbane, N., Gil, I., Glege, F., Gokieli, R., Golob, B., Gomez-Ceballos, G., Goncalves, P., Gonzalez Caballero, I., Gopal, G., Gorn, L., Guz, Yu., Gracco, V., Grahl, J., Graziani, E., Grimm, H.J., Gris, P., Grosdidier, G., Grzelak, K., Gunther, M., Guy, J., Hahn, F., Hahn, S., Haider, S., Hallgren, A., Hamacher, K., Hansen, J., Harris, F.J., Hedberg, V., Heising, S., Hernandez, J.J., Herquet, P., Herr, H., Hessing, T.L., Heuser, J.M., Higon, E., Holmgren, S.O., Holt, P.J., Hoorelbeke, S., Houlden, M., Hrubec, J., Huet, K., Hughes, G.J., Hultqvist, K., Jackson, J.N., Jacobsson, R., Jalocha, P., Janik, R., Jarlskog, C., Jarlskog, G., Jarry, P., Jean-Marie, B., Jeans, D., Johansson, E.K., Jonsson, P., Joram, C., Juillot, P., Kapusta, F., Karafasoulis, K., Katsanevas, S., Katsoufis, E.C., Keranen, R., Kernel, G., Kersevan, B.P., Khomenko, B.A., Khovansky, N.N., Kiiskinen, A., King, B., Kinvig, A., Kjaer, N.J., Klapp, O., Klein, H., Kluit, P., Kokkinias, P., Koratzinos, M., Kostyukhin, V., Kourkoumelis, C., Kuznetsov, O., Krammer, M., Kriznic, E., Krumshtein, Z., Kubinec, P., Kurowska, J., Kurvinen, K., Lamsa, J.W., Lane, D.W., 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., Lorstad, B., Loken, J.G., Lopes, J.H., Lopez, J.M., Lopez-Fernandez, R., Loukas, D., Lutz, P., Lyons, L., MacNaughton, J., Mahon, J.R., Maio, A., Malek, A., Malmgren, T.G.M., Maltezos, S., 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., Masik, J., Mastroyiannopoulos, N., Matorras, F., Matteuzzi, C., Matthiae, G., Mazzucato, F., Mazzucato, M., McCubbin, M., McKay, R., McNulty, R., McPherson, G., Meroni, C., Meyer, W.T., Myagkov, A., Migliore, E., Mirabito, L., Mitaroff, W.A., Mjornmark, U., Moa, T., Moch, M., Moller, R., Monig, K., Monge, M.R., Moreau, X., Morettini, P., Morton, G., Muller, U., Munich, K., Mulders, M., Mulet-Marquis, C., Muresan, R., Murray, W.J., Muryn, B., Myatt, G., Myklebust, T., Naraghi, F., Nassiakou, M., Navarria, F.L., Navas, S., Nawrocki, K., Negri, P., Neufeld, N., Nicolaidou, R., Nielsen, B.S., Niezurawski, P., Nikolenko, M., Nomokonov, V., Nygren, A., Obraztsov, V., Olshevsky, A.G., Onofre, A., Orava, R., Orazi, G., Osterberg, K., Ouraou, A., Paganoni, M., Paiano, S., Pain, R., Paiva, R., Palacios, J., Palka, H., Papadopoulou, T.D., 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.T., Pierre, F., Pimenta, M., Piotto, E., Podobnik, T., Pol, M.E., Polok, G., Poropat, P., Pozdnyakov, V., Privitera, P., Pukhaeva, N., Pullia, A., Radojicic, D., Ragazzi, S., Rahmani, H., Rames, J., Ratoff, P.N., Read, A.L., Rebecchi, P., Redaelli, N.G., Regler, M., Reid, D., Reinhardt, R., Renton, P.B., Resvanis, L.K., Richard, F., Ridky, J., Rinaudo, G., Rohne, O., Romero, A., Ronchese, P., Rosenberg, E.I., 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., Schwering, B., Schwickerath, U., Scuri, F., Seager, P., Sedykh, Yu., Segar, A.M., Sekulin, R., Shellard, R.C., Siebel, M., Simard, L., Simonetto, F., Sisakian, A.N., Smadja, G., Smirnov, N., Smirnova, O., Smith, G.R., Sokolov, A., Sopczak, A., Sosnowski, R., Spassoff, T., Spiriti, E., Sponholz, P., Squarcia, S., Stanescu, C., Stanic, S., Stevenson, K., Stocchi, A., Strauss, J., Strub, R., Stugu, B., Szczekowski, M., Szeptycka, M., Tabarelli, T., Taffard, A., Tegenfeldt, F., Terranova, F., Thomas, J., Timmermans, J., Tinti, N., Tkachev, L.G., Tobin, M., Todorova, S., Tomaradze, A., Tome, B., Tonazzo, A., Tortora, L., Tortosa, Pablo, Transtromer, G., Treille, D., Tristram, G., Trochimczuk, M., Troncon, C., Tsirou, A., Turluer, M.L., Tyapkin, I.A., Tzamarias, S., Ullaland, O., Uvarov, V., Valenti, G., Vallazza, E., Vander Velde, C., Van Apeldoorn, G.W., Van Dam, P., Van Den Boeck, W., Van Doninck, W.K., Van Eldik, J., Van Lysebetten, A., Van Remortel, N., Van Vulpen, I., Vegni, G., Ventura, L., Venus, W., Verbeure, F., Verlato, M., Vertogradov, L.S., Verzi, V., Vilanova, D., Vitale, L., Vlasov, E., Vodopyanov, A.S., Vollmer, C., Voulgaris, G., Vrba, V., Wahlen, H., Walck, C., Washbrook, A.J., Weiser, C., Wicke, D., Wickens, J.H., Wilkinson, G.R., Winter, M., Witek, M., Wolf, G., Yi, J., Yushchenko, O., Zalewska, A., Zalewski, P., Zavrtanik, D., Zevgolatakos, E., Zimin, N.I., Zinchenko, A., Zucchelli, G.C., Zumerle, G., 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 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), 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)-Université Grenoble Alpes (UGA), 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), Physique Corpusculaire et Cosmologie - Collège de France (PCC), 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 de Physique des Particules de Marseille (CPPM), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), 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), 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), Aix Marseille Université (AMU)-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)-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)-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), and 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)
Subjects: High Energy Physics - Experiment (hep-ex), [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], FOS: Physical sciences, Particle Physics - Experiment, High Energy Physics - Experiment
Abstract: Oscillations of B0s mesons have been studied in samples selected from about 3.5 million hadronic Z decays detected by DELPHI between 1992 and 1995. One analysis uses events in the exclusive decay channels: B0s -> Ds- pi+ or Ds- a1+ and B0s -> anti-D0 K- pi+ or anti-D0 K- a1+, where the D decays are completely reconstructed. In addition, B0s anti-B0s oscillations have been studied in events with an exclusively reconstructed Ds accompanied in the same hemisphere by a high momentum hadron of opposite charge. Combining the two analyses, a limit on the mass difference between the physical B0s states has been obtained: Delta(m_B0s) > 4.0 ps^{-1} at the 95% C.L. with a sensitivity of Delta(m_B0s) = 3.2 ps^{-1}. Using the latter sample of events, the B0s lifetime has been measured and an upper limit on the decay width difference between the two physical B0s states has been obtained: tau(B0s) = 1.53^{+0.16}_{-0.15}(stat.) +/- {0.07}(syst.) ps \Delta\Gamma(B0s)/\Gamma(B0s) < 0.69 at the 95% C.L. The combination of these results with those obtained using Ds+- lepton-+ sample gives: Delta(m_B0s) > 4.9 ps^{-1} at the 95% C.L. with a sensitivity of Delta(m_B0s) = 8.7 ps^{-1}. tau(B0s) = 1.46 +/- 0.11 ps and \Delta\Gamma(B0s)/\Gamma(B0s) < 0.45 at the 95% C.L., Comment: 42 pages, 13 figures
Published: 2000
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11. A Precise Measurement of the $\tau$ Polarisation at LEP-1

Author: Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Albrecht, Z., Alderweireld, T., Alekseev, G.D., Alemany, R., Allmendinger, T., Allport, P.P., Almehed, S., Amaldi, U., Amapane, N., Amato, S., Anassontzis, E.G., Andersson, P., Andreazza, A., Andringa, S., Antilogus, P., Apel, W.D., Arnoud, Y., Asman, B., Augustin, J.-E., Augustinus, A., Baillon, P., Bambade, P., Barao, F., Barbiellini, Guido, Barbier, R., Bardin, D.Yu., Barker, G., Baroncelli, A., Battaglia, M., Baubillier, M., Becks, K.H., Begalli, M., Behrmann, A., Beilliere, P., Belokopytov, Yu., Benekos, N.C., Benvenuti, A.C., Berat, C., Berggren, M., Bertini, D., Bertrand, D., Besancon, M., Bigi, M., Bilenkii, M.S., Bizouard, M.A., Bloch, D., Blom, H.M., Bonesini, M., Bonivento, W., Boonekamp, M., Booth, P.S.L., Borgland, A.W., Borisov, G., Bosio, C., Botner, O., Boudinov, E., Bouquet, B., Bourdarios, C., Bowcock, T.J.V., Boyko, I., Bozovic, I., Bozzo, M., Bracko, M., Branchini, P., Brenner, R.A., Bruckman, P., Brunet, J.M., Bugge, L., Buran, T., Buschbeck, B., Buschmann, P., Cabrera, S., Caccia, M., Calvi, M., Camporesi, T., Canale, V., Carena, F., Carroll, L., Caso, C., Castillo Gimenez, M.V., Cattai, A., Cavallo, F.R., Chabaud, V., Charpentier, P., Chaussard, L., Checchia, P., Chelkov, G.A., Chierici, R., Shlyapnikov, P., Chochula, P., Chorowicz, V., Chudoba, J., Cieslik, K., Collins, P., Contri, R., Cortina, E., Cosme, G., Cossutti, F., Crawley, H.B., Crennell, D., Crepe, S., Crosetti, G., Cuevas Maestro, J., Czellar, S., Davenport, M., Da Silva, W., Della Ricca, G., Delpierre, P.A., 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, J.D., Eigen, G., Ekelof, T., Ekspong, G., Ellert, M., Elsing, M., Engel, J.P., Espirito Santo, M., Fanourakis, G., Fassouliotis, D., Fayot, J., Feindt, M., Fenyuk, A., Ferrari, P., Ferrer, A., Ferrer-Ribas, E., Ferro, F., Fichet, S., Firestone, A., Flagmeyer, U., Foeth, H., Fokitis, E., Fontanelli, F., Franek, B., Frodesen, A.G., 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.N., Gele, D., Gerdyukov, L., Ghodbane, N., Gil, I., Glege, F., Gokieli, R., Golob, B., Gomez-Ceballos, G., Goncalves, P., Gonzalez Caballero, I., Gopal, G., Gorn, L., Guz, Yu., 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.J., Hedberg, V., Heising, S., Hernandez, J.J., Herquet, P., Herr, H., Hessing, T.L., Heuser, J.M., Higon, E., Holmgren, S.O., Holt, P.J., Hoorelbeke, S., Houlden, M., Hrubec, J., Huber, M., Huet, K., Hughes, G.J., Hultqvist, K., Jackson, J.N., Jacobsson, R., Jalocha, P., Janik, R., Jarlskog, C., Jarlskog, G., Jarry, P., Jean-Marie, B., Jeans, D., Johansson, E.K., Jonsson, P., Joram, C., Juillot, P., Jungermann, L., Kapusta, F., Karafasoulis, K., Katsanevas, S., Katsoufis, E.C., Keranen, R., Kernel, G., Kersevan, B.P., Khomenko, B.A., Khovanskii, N.N., Kiiskinen, A., King, B., Kinvig, A., Kjaer, N.J., Klapp, O., Klein, H., Kluit, P., Kokkinias, P., Kostyukhin, V., Kourkoumelis, C., Kuznetsov, O., Krammer, M., Kriznic, E., Krstic, J., Krumshtein, Z., Kubinec, P., Kurowska, J., Kurvinen, K., Lamsa, J.W., Lane, D.W., Lapin, V., Laugier, J.P., 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.G., Lopes, J.H., Lopez, J.M., Lopez-Fernandez, R., Loukas, D., Lutz, P., Lyons, L., MacNaughton, J., Mahon, J.R., Maio, A., Malek, A., Malmgren, T.G.M., Maltezos, S., 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., Masik, J., Mastroyiannopoulos, N., Matorras, F., Matteuzzi, C., Matthiae, G., Mazzucato, F., Mazzucato, M., McCubbin, M., McKay, R., McNulty, R., McPherson, G., Meroni, C., Meyer, W.T., Myagkov, A., Migliore, E., Mirabito, L., Mitaroff, W.A., Mjornmark, U., Moa, T., Moch, M., Moller, R., Monig, K., Monge, M.R., Moraes, D., Moreau, X., Morettini, P., Morton, G., Mueller, U., Muenich, K., Mulders, M., Mulet-Marquis, C., Muresan, R., Murray, W.J., Muryn, B., Myatt, G., Myklebust, T., Naraghi, F., Nassiakou, M., Navarria, F.L., Navas, S., Nawrocki, K., Negri, P., Neufeld, N., Nicolaidou, R., Nielsen, B.S., Niezurawski, P., Nikolenko, M., Nomokonov, V., Nygren, A., Obraztsov, V.F., Olshevskii, A.G., Onofre, A., Orava, R., Orazi, G., Osterberg, K., Ouraou, A., Paganoni, M., Paiano, S., Pain, R., Paiva, R., Palacios, J., Palka, H., Papadopoulou, T.D., 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.T., Pierre, F., Pimenta, M., Piotto, E., Podobnik, T., Pol, M.E., Polok, G., Polycarpo, E., Poropat, P., Pozdnyakov, V., Privitera, P., Pukhaeva, N., Pullia, A., Radojicic, D., Ragazzi, S., Rahmani, H., Rames, J., Ratoff, P.N., Read, A.L., Rebecchi, P., Redaelli, N.G., Regler, M., Rehn, J., Reid, D., Reinhardt, R., Renton, P.B., Resvanis, L.K., Richard, F., Ridky, J., Rinaudo, G., Ripp-Baudot, I., Rohne, O., Romero, A., Ronchese, P., Rosenberg, E.I., Rosinsky, P., Roudeau, P., Rovelli, T., Royon, C., Ruhlmann-Kleider, V., Ruiz, A., Saarikko, H., Sacquin, Y., Sadovskii, A., Sajot, G., Salt, J., Sampsonidis, D., Sannino, M., Schwemling, P., Schwering, B., Schwickerath, U., Scuri, F., Seager, P., Sedykh, Yu., Segar, A.M., Seibert, N., Sekulin, R., Shellard, R.C., Siebel, M., Simard, L., Simonetto, F., Sissakian, A.N., Smadja, G., Smirnov, N., Smirnova, O., Smith, G.R., Sopczak, A., Sosnowski, R., Spassoff, Tz., 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.G., Tobin, M., Todorova, S., Tomaradze, A.G., Tome, B., Tonazzo, A., Tortora, L., Tortosa, Pablo, Transtromer, G., Treille, D., Tristram, G., Trochimczuk, M., Troncon, C., Turluer, M.L., Tyapkin, I.A., Tzamarias, S., Ullaland, O., Uvarov, V., Valenti, G., Vallazza, E., Van Dam, P., Vanden Boeck, W., Van Doninck, W.K., Van Eldik, J., Van Lysebetten, A., Van Remortel, N., Van Vulpen, I., Vegni, G., Ventura, L., Venus, W., Verbeure, F., Verlato, M., Vertogradov, L.S., Verzi, V., Vilanova, D., Vitale, L., Vlasov, E., Vodopyanov, A., Voulgaris, G., Vrba, V., Wahlen, H., Walck, C., Washbrook, A.J., Weiser, C., Wicke, D., Wickens, J.H., Wilkinson, G.R., Winter, M., Witek, M., Wolf, G., Yi, J., Yushchenko, O., Zalewska, A., Zalewski, P., Zavrtanik, D., Zevgolatakos, E., Zimin, N.I., Zintchenko, A., Zoller, P., Zucchelli, G.C., Zumerle, G., 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 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), 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), 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), 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), 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, BARBIELLINI AMIDEI, Guido, Cossutti, F., DELLA RICCA, Giuseppe, Poropat, Paolo, Vitale, Lorenzo, 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 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), 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), UCL - SST/IRMP - Institut de recherche en mathématique et physique, 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), DEPHI Collaboration, and Delphi (IHEF, IoP, FNWI)
Subjects: Particle physics, COLLISIONS, scientific information, POLARIZATION, Physics and Astronomy (miscellaneous), LUND MONTE-CARLO, ENERGIES, Electron–positron annihilation, Hadron, 01 natural sciences, Computer Science::Digital Libraries, DECAYS, Partícules (Física nuclear), information, PHYSICS, NEUTRINO HELICITY, BHABHA SCATTERING, Open Access, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], RADIATIVE-CORRECTIONS, Computer Science::Symbolic Computation, 010306 general physics, Engineering (miscellaneous), MICHEL PARAMETERS, Bhabha scattering, DELPHI, Physics, 010308 nuclear & particles physics, communication, High Energy Physics::Phenomenology, epistemology, Weinberg angle, Polarization (waves), LARGE ELECTRON POSITRON COLLIDER, PARTICLE PHYSICS, Michel parameters, Angular dependence, Física nuclear, High Energy Physics::Experiment, Particle Physics - Experiment, Open Society Institute, Lepton
Abstract: The $\tau$ polarisation has been studied with the ${\rm e^+e^-}\to \tau^+\tau^-$ data collected by the DELPHI detector at LEP in 1993, 1994 and 1995 around the Z resonance firstly through the exclusive decay channels ${\rm e}\nu\bar{\nu}$ , $\mu\nu\bar{\nu}$ , $\pi\nu$ , $\rho\nu$ and ${\rm a}_1\nu$ and secondly with an inclusive hadronic analysis which benefits from a higher efficiency and a better systematic precision. The results have been combined with those previously published on 1990 to 1992 DELPHI data, to produce results which reflect the full LEP-1 statistics. The fit of the $\tau$ polarisation dependence on the production angle yielded the polarisation parameters ${\cal A}_{_{\scriptstyle \!\tau}}=0.1359 \pm 0.0096$ and ${\cal A}_{_{\scriptstyle \!e}}=0.1382 \pm 0.0116$ . From these results the ratio of the vector and axial-vector effective couplings $\bar{v}_{\tau} / \bar{a}_{\tau} = 0.0683\pm0.0048$ and $\bar{v}_{\rm e} / \bar{a}_{\rm e} = 0.0694\pm0.0058$ have been derived, compatible with e $-\tau$ universality. With the assumption of lepton universality, the ratio of vector to axial-vector effective couplings for leptons $\bar{v}_l / \bar{a}_l = 0.0687\pm0.0037$ was obtained, implying a value of the effective weak mixing angle $\sin^{2}\theta^{\rm lept}_{\rm eff} = 0.23282\pm0.00092$ .
Published: 2000
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12. Charged and Identified Particles in the Hadronic Decay of W Bosons and in $e^{+} e^{-} \to q\overline{q}$ from 130 to 200 GeV

Author: Abreu, P., Adam, W., Adye, T., Adzic, P., Albrecht, Z., Alderweireld, T., Alekseev, G.D., Alemany, R., Allmendinger, T., Allport, P.P., Almehed, S., Amaldi, U., Amapane, N., Amato, S., Anassontzis, E.G., Andersson, P., Andreazza, A., Andringa, S., Anjos, N., Antilogus, P., Apel, W-D., Arnoud, Y., Asman, B., Augustin, J-E., Augustinus, A., Baillon, P., Ballestrero, A., Bambade, P., Barao, F., Barbiellini, G., Barbier, R., Bardin, D.Y., Barker, G., Baroncelli, A., Battaglia, M., Baubillier, M., Becks, K-H., Begalli, M., Behrmann, A., Beilliere, P., Belokopytov, Yu., Belous, K., Benekos, N.C., Benvenuti, A.C., Berat, C., Berggren, M., Bertrand, D., Besancon, M., Bigi, M., Bilenky, M.S., Bizouard, M-A., Bloch, D., Blom, H.M., Bonesini, M., Boonekamp, M., Booth, P.S.L., Borisov, G., Bosio, C., Botner, O., Boudinov, E., Bouquet, B., Bourdarios, C., Bowcock, T.J.V., Boyko, I., Bozovic, I., Bozzo, M., Bracko, M., Branchini, P., Brenner, R.A., Bruckman, P., Brunet, J-M., Bugge, L., Buran, T., Buschbeck, B., Buschmann, P., Cabrera, S., Caccia, M., Calvi, M., Camporesi, T., Canale, V., Carena, F., Carroll, L., Caso, C., M.Castillo Gimenez, V., Cattai, A., Cavallo, F.R., Chabaud, V., Chapkin, M., Charpentier, Ph., Checchia, P., Chelkov, G.A., 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.B., Crennell, D., Crepe, S., Crosetti, G., Cuevas 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-D., Eigen, G., Ekelof, T., Ekspong, G., Ellert, M., Elsing, M., Engel, J-P., Espirito 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.G., Fruhwirth, R., Fulda-Quenzer, F., Fuster, J., Galloni, A., Gamba, D., Gamblin, S., Gandelman, M., Garcia, C., Gaspar, C., Gaspar, M., Gasparini, U., Gavillet, Ph., Gazis, E.N., Gele, D., Geralis, T., Ghodbane, N., Gil, I., Glege, F., Gokieli, R., Golob, B., Gomez-Ceballos, G., Goncalves, P., Gonzalez Caballero, I., Gopal, G., Gorn, L., Gouz, Yu., 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.J., Hauler, F., Hedberg, V., Heising, S., Hernandez, J.J., Herquet, P., Herr, H., Hessing, T.L., Heuser, J.M., Higon, E., Holmgren, S-O., Holt, P.J., Hoorelbeke, S., Houlden, M., Hrubec, J., Huber, M., Huet, K., Hughes, G.J., Hultqvist, K., Jackson, J.N., Jacobsson, R., Jalocha, P., Janik, R., Jarlskog, Ch., Jarlskog, G., Jarry, P., Jean-Marie, B., Jeans, D., Johansson, E.K., Jonsson, P., Joram, C., Juillot, P., Jungermann, L., Kapusta, F., Karafasoulis, K., Katsanevas, S., Katsoufis, E.C., Keranen, R., Kernel, G., Kersevan, B.P., Khokhlov, Yu., Khomenko, B.A., Khovanski, N.N., Kiiskinen, A., King, B., Kinvig, A., Kjaer, N.J., 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.W., Lane, D.W., 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., Liebig, W., Liko, D., Lipniacka, A., Lippi, I., Loerstad, B., Loken, J.G., Lopes, J.H., Lopez, J.M., Lopez-Fernandez, R., Loukas, D., Lutz, P., Lyons, L., MacNaughton, J., Mahon, J.R., Maio, A., Malek, A., Malmgren, T.G.M., Maltezos, S., Malychev, V., Mandl, F., Marco, J., Marco, R., Marechal, B., Margoni, M., Marin, J-C., Mariotti, C., Markou, A., Martinez-Rivero, C., Marti i Garcia, S., Masik, J., Mastroyiannopoulos, N., Matorras, F., Matteuzzi, C., Matthiae, G., Mazzucato, F., Mazzucato, M., Cubbin, M.Mc, Kay, R.Mc, Nulty, R.Mc, Pherson, G.Mc, Meroni, C., Metreveli, Z., Meyer, W.T., Miagkov, A., Migliore, E., Mirabito, L., Mitaroff, W.A., Mjoernmark, U., Moa, T., Moch, M., Moeller, R., Moenig, K., Monge, M.R., Moraes, D., Moreau, X., Morettini, P., Morton, G., Mueller, U., Muenich, K., Mulders, M., Mulet-Marquis, C., Muresan, R., Murray, W.J., Muryn, B., Myatt, G., Myklebust, T., Naraghi, F., Nassiakou, M., Navarria, F.L., Nawrocki, K., Negri, P., Neufeld, N., Nicolaidou, R., Nielsen, B.S., Niezurawski, P., Nikolenko, M., Nomokonov, V., Nygren, A., Obraztsov, V., Olshevski, A.G., 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, Th.D., 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.T., Pierre, F., Pimenta, M., Piotto, E., Podobnik, T., Pol, M.E., Polok, G., Poropat, P., Pozdniakov, V., Privitera, P., Pukhaeva, N., Pullia, A., Radojicic, D., Ragazzi, S., Rahmani, H., Rames, J., Ratoff, P.N., Read, A.L., Rebecchi, P., Redaelli, N.G., Regler, M., Rehn, J., Reid, D., Reinertsen, P., Reinhardt, R., Renton, P.B., Resvanis, L.K., Richard, F., Ridky, J., Rinaudo, G., Ripp-Baudot, I., Rohne, O., Romero, A., Ronchese, P., Rosenberg, E.I., Rosinsky, P., Roudeau, P., Rovelli, T., Royon, Ch., Ruhlmann-Kleider, V., Ruiz, A., Saarikko, H., Sacquin, Y., Sadovsky, A., Sajot, G., Salt, J., Sampsonidis, D., Sannino, M., Schwemling, Ph., Schwering, B., Schwickerath, U., Scuri, F., Seager, P., Sedykh, Y., Segar, A.M., Seibert, N., Sekulin, R., Shellard, R.C., Siebel, M., Simard, L., Simonetto, F., Sisakian, A.N., Smadja, G., Smirnova, O., Smith, G.R., 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, T., Taffard, A., Tegenfeldt, F., Terranova, F., Thomas, J., Timmermans, J., Tinti, N., Tkatchev, L.G., 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-L., Tyapkin, I.A., 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.S., Verzi, V., Vilanova, D., Vitale, L., Vlasov, E., Vodopyanov, A.S., Voulgaris, G., Vrba, V., Wahlen, H., Walck, C., Washbrook, A.J., Weiser, C., Wicke, D., Wickens, J.H., Wilkinson, G.R., Winter, M., Witek, M., Wolf, G., Yi, J., Yushchenko, O., Zalewska, A., Zalewski, P., Zavrtanik, D., Zevgolatakos, E., Zimine, N.I., Zintchenko, A., Zoller, Ph., Zucchelli, G.C., Zumerle, G., 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 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), 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), 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), 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), 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 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 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), 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), and 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)
Subjects: [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Particle Physics - Experiment
Abstract: Inclusive distributions of charged particles in hadronic Wdecays are experimentally investigated using the statisticscollected by the DELPHI experiment at LEP during 1997, 1998and 1999, at centre-of-mass energies from 183 to around 200 GeV.The possible effects of interconnection betweenthe hadronic decays of two Ws are not observed.Measurements of the average multiplicity for charged and identified particles in q$\bar{\mathrm q}$ and WW events at centre-of-mass energies from 130 to 200 GeV and in W decays are presented.The results on the average multiplicity of identified particlesand on the position $\xi^*$ of the maximum of the maximum of$\xi_p = -\mathrm{log} (\frac{2p}{\sqrt{s}})$distribution are compared with predictionsof JETSET and MLLA calculations. Inclusive distributions of charged particles in hadronic W decays are experimentally investigated using the statistics collected by the DELPHI experiment at LEP during 1997, 1998 and 1999, at centre-of-mass energies from 183 to around 200 GeV. The possible effects of interconnection between the hadronic decays of two Ws are not observed. Measurements of the average multiplicity for charged and identified particles in q qbar and WW events at centre-of-mass energies from 130 to 200 GeV and in W decays are presented. The results on the average multiplicity of identified particles and on the position xi^* of the maximum of the xi_p = -log(2p/sqrt(s)) distribution are compared with predictions of JETSET and MLLA calculations.
Published: 2000
Full Text: View/download PDF

13. Measurements of the Z partial decay width into $c\overline{c}$ and multiplicity of charm quarks per b decay

Author: Abreu, P., Adam, W., Adye, T., Adzic, P., Azhinenko, I., Albrecht, Z., Alderweireld, T., Alekseev, G.D., Alemany, R., Allmendinger, T., Allport, P.P., Almehed, S., Amaldi, U., Amapane, N., Amato, S., Anassontzis, E.G., Andersson, P., Andreazza, A., Andringa, S., Antilogus, P., Apel, W.D., Arnoud, Y., Asman, B., Augustin, J.-E., Augustinus, A., Baillon, P., Bambade, P., Barao, F., Barbiellini, Guido, Barbier, R., Bardin, D.Yu., Barker, G., Baroncelli, A., Battaglia, M., Baubillier, M., Becks, K.H., Begalli, M., Behrmann, A., Beilliere, P., Belokopytov, Yu., Benekos, N.C., Benvenuti, A.C., Berat, C., Berggren, M., Bertini, D., Bertrand, D., Besancon, M., Bigi, M., Bilenkii, M.S., Bizouard, M.A., Bloch, D., Blom, H.M., Bonesini, M., Bonivento, W., Boonekamp, M., Booth, P.S.L., Borgland, A.W., Borisov, G., Bosio, C., Botner, O., Boudinov, E., Bouquet, B., Bourdarios, C., Bowcock, T.J.V., Boyko, I., Bozovic, I., Bozzo, M., Branchini, P., Brenke, T., Brenner, R.A., Bruckman, P., Brunet, J.M., Bugge, L., Buran, T., Burgsmuller, T., Buschbeck, B., Buschmann, P., Cabrera, S., Caccia, M., Calvi, M., Camporesi, T., Canale, V., Carena, F., Carroll, L., Caso, C., Castillo Gimenez, M.V., Cattai, A., Cavallo, F.R., Chabaud, V., Charpentier, P., Chaussard, L., Checchia, P., Chelkov, G.A., Chierici, R., Shlyapnikov, P., Chochula, P., Chorowicz, V., Chudoba, J., Cieslik, K., Collins, P., Contri, R., Cortina, E., Cosme, G., Cossutti, F., Cowell, J.H., Crawley, H.B., Crennell, D., Crepe, S., Crosetti, G., Cuevas Maestro, J., Czellar, S., Davenport, M., Da Silva, W., Deghorain, A., 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.D., 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., Ferrer-Ribas, E., Ferro, F., Fichet, S., Firestone, A., Flagmeyer, U., Foeth, H., Fokitis, E., Fontanelli, F., Franek, B., Frodesen, A.G., 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.N., Gele, D., Gerdyukov, L., Ghodbane, N., Gil, I., Glege, F., Gokieli, R., Golob, B., Gomez-Ceballos, G., Goncalves, P., Gonzalez Caballero, I., Gopal, G., Gorn, L., Gorski, M., Guz, Yu., Gracco, V., Grahl, J., Graziani, E., Green, C., Grimm, H.J., Gris, P., Grosdidier, G., Grzelak, K., Gunther, M., Guy, J., Hahn, F., Hahn, S., Haider, S., Hallgren, A., Hamacher, K., Hansen, J., Harris, F.J., Hedberg, V., Heising, S., Hernandez, J.J., Herquet, P., Herr, H., Hessing, T.L., Heuser, J.M., Higon, E., Holmgren, S.O., Holt, P.J., Hoorelbeke, S., Houlden, M., Hrubec, J., Huet, K., Hughes, G.J., Hultqvist, K., Jackson, J.N., Jacobsson, R., Jalocha, P., Janik, R., Jarlskog, C., Jarlskog, G., Jarry, P., Jean-Marie, B., Johansson, E.K., Jonsson, P., Joram, C., Juillot, P., Kapusta, F., Karafasoulis, K., Katsanevas, S., Katsoufis, E.C., Keranen, R., Kersevan, B.P., Khomenko, B.A., Khovansky, N.N., Kiiskinen, A., King, B., Kinvig, A., Kjaer, N.J., Klapp, O., Klein, H., Kluit, P., Kokkinias, P., Koratzinos, M., Kostyukhin, V., Kourkoumelis, C., Kuznetsov, O., Kriznic, E., Krstic, P., Krumshtein, Z., Kubinec, P., Kurowska, J., Kurvinen, K., Lamsa, J.W., Lane, D.W., 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., Lorstad, B., Loken, J.G., Lopes, J.H., Lopez, J.M., Lopez-Fernandez, R., Loukas, D., Lutz, P., Lyons, L., MacNaughton, J., Mahon, J.R., Maio, A., Malek, A., Malmgren, T.G.M., Maltezos, S., 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., Masik, J., Mastroyiannopoulos, N., Matorras, F., Matteuzzi, C., Matthiae, G., Mazzucato, F., Mazzucato, M., McCubbin, M., McKay, R., McNulty, R., McPherson, G., Meroni, C., Meyer, W.T., Myagkov, A., Migliore, E., Mirabito, L., Mitaroff, W.A., Mjornmark, U., Moa, T., Moch, M., Moller, R., Monig, K., Monge, M.R., Moreau, X., Morettini, P., Morton, G., Muller, U., Munich, K., Mulders, M., Mulet-Marquis, C., Muresan, R., Murray, W.J., Muryn, B., Myatt, G., Myklebust, T., Naraghi, F., Nassiakou, M., Navarria, F.L., Navas, S., Nawrocki, K., Negri, P., Nemecek, S., Neufeld, N., Neumeister, N., Nicolaidou, R., Nielsen, B.S., Nikolenko, M., Nomokonov, V., Normand, A., Nygren, A., Obraztsov, V., Olshevsky, A.G., Onofre, A., Orava, R., Orazi, G., Osterberg, K., Ouraou, A., Paganoni, M., Paiano, S., Pain, R., Paiva, R., Palacios, J., Palka, H., Papadopoulou, T.D., 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, H.T., Pierre, F., Pimenta, M., Piotto, E., Podobnik, T., Pol, M.E., Polok, G., Poropat, P., Pozdnyakov, V., Privitera, P., Pukhaeva, N., Pullia, A., Radojicic, D., Ragazzi, S., Rahmani, H., Ratoff, P.N., Read, A.L., Rebecchi, P., Redaelli, N.G., Regler, M., Reid, D., Reinhardt, R., Renton, P.B., Resvanis, L.K., Richard, F., Ridky, J., Rinaudo, G., Rohne, O., Romero, A., Ronchese, P., Rosenberg, E.I., 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, Henri, Schwemling, P., Schwering, B., Schwickerath, U., Schyns, M.A.E., Scuri, F., Seager, P., Sedykh, Yu., Segar, A.M., Sekulin, R., Shellard, R.C., Sheridan, A., Siebel, M., Simard, L., Simonetto, F., Sisakian, A.N., Smadja, G., Smirnova, O., Smith, G.R., Sokolov, A., Sopczak, A., Sosnowski, R., Spassoff, T., Spiriti, E., Sponholz, P., Squarcia, S., Stanescu, C., Stanic, S., Stevenson, K., Stocchi, A., Strauss, J., Strub, R., Stugu, B., Szczekowski, M., Szeptycka, M., Tabarelli, T., Chikilev, O., Tegenfeldt, F., Terranova, F., Thomas, J., Timmermans, J., Tinti, N., Tkachev, L.G., Todorova, S., Tomaradze, A., Tome, B., Tonazzo, A., Tortora, L., Transtromer, G., Treille, D., Tristram, G., Trochimczuk, M., Troncon, C., Tsirou, A., Turluer, M.L., Tyapkin, I.A., Tzamarias, S., Ullaland, O., Uvarov, V., Valenti, G., Vallazza, E., Vander Velde, C., Van Apeldoorn, G.W., Van Dam, P., Van Doninck, W.K., Van Eldik, J., Van Lysebetten, A., Van Remortel, N., Van Vulpen, I., Vassilopoulos, N., Vegni, G., Ventura, Laurent, Venus, W., Verbeure, F., Verlato, M., Vertogradov, L.S., Verzi, V., Vilanova, D., Vitale, L., Vlasov, E., Vodopyanov, A.S., Vollmer, C., Voulgaris, G., Vrba, V., Wahlen, H., Walck, C., Weiser, C., Wicke, D., Wickens, J.H., Wilkinson, G.R., Winter, M., Witek, M., Wolf, G., Yi, J., Yushchenko, O., Zalewska, A., Zalewski, P., Zavrtanik, D., Zevgolatakos, E., Zimin, N.I., Zucchelli, G.C., Zumerle, G., 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 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), 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)-Université Grenoble Alpes (UGA), 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), Physique Corpusculaire et Cosmologie - Collège de France (PCC), 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 de Physique des Particules de Marseille (CPPM), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), 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), 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), 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), 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), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and 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)
Subjects: Nuclear Theory, High Energy Physics::Phenomenology, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Nuclear Experiment, Particle Physics - Experiment
Abstract: The partial decay width $R_c$ of the $Z$ into $c\bar{c}$ quark pair and the number of charm quarks $n_c$ per $b$ decay are measured with the DELPHI detector at \mbox{LEP 1}. Particle identification provides clear $D^0$, $D^+$, $D_s^+$ and $\Lambda_c^+$ signatures. The charm hadron production rate is measured in each channel by a fit to the scaled energy, impact parameter information and the invariant mass spectrum. Two measurements of $R_c$ are presented, from the $D^{*+}$ production rate and from the overall charm counting, including strange charm baryon production, in $c\bar{c}$ events. The multiplicity $n_c$, which includes hidden $c\bar{c}$ and strange charm baryon production, is inferred from the charm counting in $b\bar{b}$ events. The final results are $R_c = 0.1665 \pm 0.0095$ and $n_c = 1.166 \pm 0.086$.
Published: 2000
Full Text: View/download PDF

14. Rapidity-rank structure of $p\overline{p}$ pairs in hadronic $Z^0$ decays

Author: Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Albrecht, Z., Alderweireld, T., Alekseev, G D., Alemany, R., Allmendinger, T., Allport, P P., Almehed, S., Amaldi, U., Amapane, N., Amato, S., Anassontzis, E G., Andersson, P., Andreazza, A., Andringa, S., Antilogus, P., Apel, W D., Arnoud, Y., Asman, B., Augustin, J.-E., Augustinus, A., Baillon, P., Bambade, P., Barao, F., Barbiellini, Guido, Barbier, R., Bardin, D Yu., Barker, G., Baroncelli, A., Battaglia, M., Baubillier, M., Becks, K H., Begalli, M., Behrmann, A., Beilliere, P., Belokopytov, Yu., Benekos, N C., Benvenuti, A C., Berat, C., Berggren, M., Bertrand, D., Besancon, M., Bigi, M., Bilenkii, M S., Bizouard, M A., Bloch, D., Blom, H M., Bonesini, M., Boonekamp, M., Booth, P S L., Borgland, A W., Borisov, G., Bosio, C., Botner, O., Boudinov, E., Bouquet, B., Bourdarios, C., Bowcock, T J V., Boyko, I., Bozovic, I., Bozzo, M., Bracko, M., Branchini, P., Brenner, R A., Brueckman, P., Brunet, J M., Bugge, L., Buran, T., Buschbeck, B., Buschmann, P., Cabrera, S., Caccia, M., Calvi, M., Camporesi, T., Canale, V., Carena, F., Carroll, L., Caso, C., Castillo-Gimenez, M V., Cattai, A., Cavallo, F R., Chabaud, V., Charpentier, P., Checchia, P., Chelkov, G A., Chierici, R., Shlyapnikov, P., Chochula, P., Chorowicz, V., Chudoba, J., Cieslik, K., Collins, P., Contri, R., Cortina, E., Cosme, G., Cossutti, F., Crawley, H B., Crennell, D., Crepe, S., Crosetti, G., Cuevas-Maestro, J., Czellar, S., Davenport, M., Da Silva, W., Della Ricca, G., Delpierre, P A., 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 D., Eigen, G., Ekeloef, T., Ekspong, G., Ellert, M., Elsing, M., Engel, J.P., Espirito-Santo, M C., Fanourakis, G K., 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 G., Fruehwirth, 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 N., Gele, D., Gerdyukov, L., Ghodbane, N., Gil, I., Glege, F., Gokieli, R., Golob, B., Gomez-Ceballos, G., Goncalves, P., Gonzalez-Caballero, I., Gopal, G., Gorn, L., 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 J., Hedberg, V., Heising, S., Hernandez, J J., Herquet, P., Herr, H., Hessing, T L., Heuser, J M., Higon, E., Holmgren, S O., Holt, P J., Hoorelbeke, S., Houlden, M., Hrubec, J., Huber, M., Huet, K., Hughes, G J., Hultqvist, K., Jackson, J N., Jacobsson, R., Jalocha, P., Janik, R., Jarlskog, C., Jarlskog, G., Jarry, P., Jean-Marie, B., Jeans, D., Johansson, E K., Jonsson, P., Joram, C., Juillot, P., Jungermann, L., Kapusta, F., Karafasoulis, K., Katsanevas, S., Katsoufis, E C., Keraenen, R., Kernel, G., Kersevan, B P., Khokhlov, Yu., Khomenko, B A., Khovanskii, N N., Kiiskinen, A., King, B J., Kinvig, A., Kjaer, N J., Klapp, O., Klein, H., Kluit, P., Kokkinias, P., Kostyukhin, V., Kourkoumelis, C., Kuznetsov, O., Krammer, M., Kriznic, E., Krumshtein, Z., Kubinec, P., Kurowska, J., Kurvinen, K., Lamsa, J W., Lane, D W., 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., Liebig, W., Liko, D., Lipniacka, A., Lippi, I., Loerstad, B., Loken, J G., Lopes, J H., Lopez, J M., Lopez-Fernandez, R., Loukas, D., Lutz, P., Lyons, L., MacNaughton, J., Mahon, J R., Maio, A., Malek, A., Malmgren, T G M., Maltezos, S., Malychev, V., Mandl, F., Marco, J., Marco, R., Marechal, B., Margoni, M., Marin, J C., Mariotti, C., Markou, A., Martinez-Rivero, C., Martinez-Vidal, 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M., Peralta, L., Pernicka, M., Perrotta, A., Petridou, C., Petrolini, A., Phillips, H T., Pierre, F., Pimenta, M., Piotto, E., Podobnik, T., Pol, M E., Polok, G., Poropat, P., Pozdnyakov, V., Privitera, P., Pukhaeva, N., Pullia, A., Radojicic, D., Ragazzi, S., Rahmani, H., Rames, J., Ratoff, P N., Read, A L., Rebecchi, P., Redaelli, N G., Regler, M., Rehn, J., Reid, D., Reinhardt, R., Renton, P B., Resvanis, L K., Richard, F., Ridky, J., Rinaudo, G., Ripp-Baudot, I., Rohne, O., Romero, A., Ronchese, P., Rosenberg, E I., Rosinsky, P., Roudeau, P., Rovelli, T., Royon, C., Ruhlmann-Kleider, V., Ruiz, A., Saarikko, H., Sacquin, Y., Sadovskii, A., Sajot, G., Salt, J., Sampsonidis, D., Sannino, M., Schwemling, P., Schwering, B., Schwickerath, U., Scuri, F., Seager, P., Sedykh, Yu., Segar, A M., Seibert, N., Sekulin, R., Shellard, R C., Siebel, M., Simard, L., Simonetto, F., Sissakian, A N., Smadja, G., Smirnov, N., Smirnova, O., Smith, G R., Sokolov, A., Sopczak, A., Sosnowski, R., Spassoff, Tz., 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 G., Tobin, M., Todorova, S., Tomaradze, A G., Tome, B., Tonazzo, A., Tortora, L., Tortosa, Pablo, Transtromer, G., Treille, D., Tristram, G., Trochimczuk, M., Troncon, C., Turluer, M L., Tyapkin, I A., 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 S., Verzi, V., Vilanova, D., Vitale, L., Vlasov, E., Vodopyanov, A., Voulgaris, G., Vrba, V., Wahlen, H., Walck, C., Washbrook, A J., Weiser, C., Wicke, D., Wickens, J H., Wilkinson, G R., Winter, M., Witek, M., Wolf, G., Yi, J., Yushchenko, O., Zalewska, A., Zalewski, P., Zavrtanik, D., Zevgolatakos, E., Zimin, N I., Zintchenko, A., Zoller, P., Zucchelli, G C., Zumerle, G., 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 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), 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)-Université Grenoble Alpes (UGA), 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), Physique Corpusculaire et Cosmologie - Collège de France (PCC), 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 de Physique des Particules de Marseille (CPPM), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), 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), 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), 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), 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), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and 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)
Subjects: [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Nuclear Experiment, Particle Physics - Experiment
Abstract: The rapidity-rank structure of \ppb pairs is used to analyze the mechanism of baryon production in hadronic \zz decay. The relative occurrence of the rapidity-ordered configuration \pmpb, where $M$ is a meson, and that of \ppb adjacent pairs is compared. The data are found to be consistent with predictions from a mechanism producing adjacent-rank \ppb pairs, without requiring `string-ordered' \pmpb configurations. An upper limit of 15\% at 90\% confidence is determined for the \pmpb contribution. The rapidity-rank structure of p p ̄ pairs is used to analyze the mechanism of baryon production in hadronic Z 0 decay. The relative occurrence of the rapidity-ordered configuration p M p ̄ , where M is a meson, and that of p p ̄ adjacent pairs is compared. The data are found to be consistent with predictions from a mechanism producing adjacent-rank p p ̄ pairs, without requiring `string-ordered' p M p ̄ configurations. An upper limit of 15% at 90% confidence is determined for the p M p ̄ contribution. The rapidity-rank structure of p pbar pairs is used to analyze the mechanism of baryon production in hadronic Z0 decay. The relative occurrence of the rapidity-ordered configuration p M pbar, where M is a meson, and that of p pbar adjacent pairs is compared. The data are found to be consistent with predictions from a mechanism producing adjacent-rank p pbar pairs, without requiring `string-ordered' p M pbar configurations. An upper limit of 15% at 90% confidence is determined for the p M pbar contribution.
Published: 2000
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15. Inclusive Sigma(-) and Lambda(1520) production in hadronic Z decays

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., Borisov, G., Bosio, C., Botner, O., Boudinov, E., Bouquet, B., Bourdarios, C., Bowcock, T., Boyko, I., Bozovic, I., Bozzo, Marco, 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., Costa, M., Crawley, H., Crennell, D., Crepe, S., Crosetti, G., Maestro, J., Czellar, S., Davenport, M., Silva, W. D., Ricca, G. D., Delpierre, P., Demaria, N., Nagelis, A. D., Boer, W. D., Clercq, C. D., Lotto, B. D., Min, A. D., Paula, L. D., Dijkstra, H., Ciaccio, L. D., 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, Flavio, 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, 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., 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., Matroyiannopoulos, N., Matorras, F., Matteuzzi, C., Matthiae, G., Mazzucato, F., Mazzucato, M., Mccubbin, M., Mckay, R., Mcnulty, R., Mcpherson, G., Meroni, C., Meyer, W., Migliore, E., Mirabito, L., Mitaroff, W., Mjoernmark, U., Moa, T., Moch, M., Moeller, R., Moenig, K., Monge, MARIA ROBERTA, 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., Olshevaki, 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, Fabrizio, Parzefall, U., Passeri, A., Passon, O., Pavel, T., Pegoraro, M., Peralta, L., Pernicka, M., Perrotta, A., Petridou, C., Petrolini, Alessandro, 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., Rosinksy, 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, Mario, Schwemling, P., Schwering, B., Schwickerath, U., Scuri, F., Seager, P., Sedykh, Y., Seemann, F., 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., Solovianov, O., Sopczak, A., Sosnowski, R., Spassov, T., Spiriti, E., Squarcia, Sandro, Stanescu, C., Stanic, S., Stanitzki, M., Stevenson, K., Stocchi, A., Strauss, J., Strub, R., Stugu, B., Szczekowski, M., Szeptycka, M., Tabarelli, 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., Dam, P. V., Den, W. V., Eldik, J. V., Lysebetten, A. V., Remortel, N. v., Vulpen, I. V., 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., Beckmann, W., Collaboration, D., 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 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), 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)-Université Grenoble Alpes (UGA), 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), Physique Corpusculaire et Cosmologie - Collège de France (PCC), 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 de Physique des Particules de Marseille (CPPM), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), 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), 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), Aix Marseille Université (AMU)-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)-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)-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), and 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)
Subjects: FOS: Physical sciences, Z(0), K-ASTERISK(0)(892), High Energy Physics - Experiment, PHYSICS, High Energy Physics - Experiment (hep-ex), PRODUCTION-RATES, BARYON PRODUCTION, K-+, PI(+/-), [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Astrophysics::Earth and Planetary Astrophysics, Nuclear Experiment, Particle Physics - Experiment
Abstract: Production of Sigma- and Lambda(1520) in hadronic Z decays has been measured using the DELPHI detector at LEP. The Sigma- is directly reconstructed as a charged track in the DELPHI microvertex detector and is identified by its Sigma -> n pi decay leading to a kink between the Sigma- and pi-track. The reconstruction of the Lambda(1520) resonance relies strongly on the particle identification capabilities of the barrel Ring Imaging Cherenkov detector and on the ionisation loss measurement of the TPC. Inclusive production spectra are measured for both particles. The production rates are measured to be = 0.081 +/- 0.002 +/- 0.010, = 0.029 +/- 0.005 +/- 0.005. The production rate of the Lambda(1520) suggests that a large fraction of the stable baryons descend from orbitally excited baryonic states. It is shown that the baryon production rates in Z decays follow a universal phenomenological law related to isospin, strangeness and mass of the particles., Comment: 23 pages, 9 figures
Published: 2000
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16. Searches for Neutral Higgs Bosons in $e^+ e^-$ Collisions around $\sqrt{s}$ = 189 GeV

Author: Abreu, P., Adam, W., Adye, T., Adzic, P., Albrecht, Z., Alderweireld, T., Alekseev, G D., Alemany, R., Allmendinger, T., Allport, P P., Almehed, S., Amaldi, U., Amapane, N., Amato, S., Anassontzis, E G., Andersson, P., Andreazza, A., Andringa, S., Antilogus, P., Apel, W D., Arnoud, Y., Asman, B., Augustin, J.-E., Augustinus, A., Baillon, P., Bambade, P., Barao, F., Barbiellini, Guido, Barbier, R., Bardin, D Yu., Barker, G., Baroncelli, A., Battaglia, M., Baubillier, M., Becks, K H., Begalli, M., Behrmann, A., Beilliere, P., Belokopytov, Yu., Belous, K., Benekos, N C., Benvenuti, a C., Berat, C., Berggren, M., Bertini, D., Bertrand, D., Besancon, M., Bigi, M., Bilenkii, M S., Bizouard, M A., Bloch, D., Blom, H M., Bonesini, M., Bonivento, W., Boonekamp, M., Booth, P S L., Borgland, a W., Borisov, G., Bosio, C., Botner, O., Boudinov, E., Bouquet, B., Bourdarios, C., Bowcock, T J V., Boyko, I., Bozovic, I., Bozzo, M., Bracko, M., Branchini, P., Brenner, R A., Brueckman, P., Brunet, J M., Bugge, L., Buran, T., Buschbeck, B., Buschmann, P., Cabrera, S., Caccia, M., Calvi, M., Camporesi, T., Canale, V., Carena, F., Carroll, L., Caso, C., Castillo-Gimenez, M V., Cattai, A., Cavallo, F R., Chabaud, V., Chapkin, M., Charpentier, P., Chaussard, L., Checchia, P., Chelkov, G A., Chierici, R., Shlyapnikov, P., Chochula, P., Chorowicz, V., Chudoba, J., Cieslik, K., Collins, P., Contri, R., Cortina, E., Cosme, G., Cossutti, F., Crawley, H B., Crennell, D., Crepe, S., Crosetti, G., Cuevas-Maestro, J., Czellar, S., Davenport, M., da Silva, W., Della Ricca, G., Delpierre, P A., 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 D., Eigen, G., Ekeloef, T., Ekspong, G., Ellert, M., Elsing, M., Engel, J.P., Espirito-Santo, M C., Fanourakis, G K., Fassouliotis, D., Fayot, J., Feindt, M., Ferrari, P., Ferrer, A., Ferrer-Ribas, E., Ferro, F., Fichet, S., Firestone, A., Flagmeyer, U., Foeth, H., Fokitis, E., Fontanelli, F., Franek, B., Frodesen, a G., Fruehwirth, 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 N., Gele, D., Ghodbane, N., Gil, I., Glege, F., Gokieli, R., Golob, B., Gomez-Ceballos, G., Goncalves, P., Gonzalez Caballero, I., Gopal, G., Gorn, L., Guz, Yu., 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 J., Hedberg, V., Heising, S., Hernandez, J J., Herquet, P., Herr, H., Hessing, T L., Heuser, J M., Higon, E., Holmgren, S O., Holt, P J., Hoorelbeke, S., Houlden, M., Hrubec, J., Huber, M., Huet, K., Hughes, G J., Hultqvist, K., Jackson, J N., Jacobsson, R., Jalocha, P., Janik, R., Jarlskog, C., Jarlskog, G., Jarry, P., Jean-Marie, B., Jeans, D., Johansson, E K., Jonsson, P., Joram, C., Juillot, P., Jungermann, L., Kapusta, F., Karafasoulis, K., Katsanevas, S., Katsoufis, E C., Keraenen, R., Kernel, G., Kersevan, B P., Khokhlov, Yu., Khomenko, B A., Khovanskii, N N., Kiiskinen, A., King, B J., Kinvig, A., Kjaer, N J., Klapp, O., Klein, H., Kluit, P., Kokkinias, P., Kostyukhin, V., Kourkoumelis, C., Kuznetsov, O., Krammer, M., Kriznic, E., Krumshtein, Z., Kubinec, P., Kurowska, J., Kurvinen, K., Lamsa, J W., Lane, D W., 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., Liebig, W., Liko, D., Lipniacka, A., Lippi, I., Loerstad, B., Loken, J G., Lopes, J H., Lopez, J M., Lopez-Fernandez, R., Loukas, D., Lutz, P., Lyons, L., Macnaughton, J., Mahon, J R., Maio, A., Malek, A., Malmgren, T G M., Maltezos, S., 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., Masik, J., Mastroyiannopoulos, N., Matorras, F., Matteuzzi, C., Matthiae, G., Mazzucato, F., Mazzucato, M., Mccubbin, M., Mckay, R., Mcnulty, R., Mcpherson, G., Meroni, C., Meyer, W T., Myagkov, A., Migliore, E., Mirabito, L., Mitaroff, W A., Mjoernmark, U., Moa, T., Moch, M., Moller, R., Moenig, K., Monge, M R., Moreau, X., Morettini, P., Morton, G., Mueller, U., Muenich, K., Mulders, M., Mulet-Marquis, C., Muresan, R., Murray, W J., Muryn, B., Myatt, G., Myklebust, T., Naraghi, F., Nassiakou, M., Navarria, F L., Navas, S., Nawrocki, K., Negri, P., Neufeld, N., Nicolaidou, R., Nielsen, B S., Niezurawski, P., Nikolenko, M., Nomokonov, V., Nygren, A., Obraztsov, V F., Olshevskii, a G., Onofre, A., Orava, R., Orazi, G., Osterberg, K., Ouraou, A., Paganoni, M., Paiano, S., Pain, R., Paiva, R., Palacios, J., Palka, H., Papadopoulou, T D., 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 T., Pierre, F., Pimenta, M., Piotto, E., Podobnik, T., Pol, M E., Polok, G., Poropat, P., Pozdnyakov, V., Privitera, P., Pukhaeva, N., Pullia, A., Radojicic, D., Ragazzi, S., Rahmani, H., Rames, J., Ratoff, P N., Read, a L., Rebecchi, P., Redaelli, N G., Regler, M., Rehn, J., Reid, D., Reinhardt, R., Renton, P B., Resvanis, L K., Richard, F., Ridky, J., Rinaudo, G., Ripp-Baudot, I., Rohne, O., Romero, A., Ronchese, P., Rosenberg, E I., Rosinsky, P., Roudeau, P., Rovelli, T., Royon, C., Ruhlmann-Kleider, V., Ruiz, A., Saarikko, H., Sacquin, Y., Sadovskii, A., Sajot, G., Salt, J., Sampsonidis, D., Sannino, M., Schwemling, P., Schwering, B., Schwickerath, U., Scuri, F., Seager, P., Sedykh, Yu., Segar, a M., Seibert, N., Sekulin, R., Shellard, R C., Siebel, M., Simard, L., Simonetto, F., Sissakian, a N., Smadja, G., Smirnova, O., Smith, G R., Solovyanov, O., Sopczak, A., Sosnowski, R., Spassoff, Tz., 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 G., Tobin, M., Todorova, S., Tomaradze, a G., Tome, B., Tonazzo, A., Tortora, L., Tortosa, Pablo, Transtromer, G., Treille, D., Tristram, G., Trochimczuk, M., Troncon, C., Turluer, M L., Tyapkin, I A., Tzamarias, S., Ullaland, O., Uvarov, V., Valenti, G., Vallazza, E., Vander Velde, C., van Dam, P., van den Boeck, W., van Doninck, W K., van Eldik, J., van Lysebetten, A., van Remortel, N., van Vulpen, I., Vegni, G., Ventura, Laurent, Venus, W., Verbeure, F., Verlato, M., Vertogradov, L S., Verzi, V., Vilanova, D., Vitale, L., Vlasov, E., Vodopyanov, A., Voulgaris, G., Vrba, V., Wahlen, H., Walck, C., Washbrook, a J., Weiser, C., Wicke, D., Wickens, J H., Wilkinson, G R., Winter, M., Witek, M., Wolf, G., Yi, J., Yushchenko, O., Zalewska, A., Zalewski, P., Zavrtanik, D., Zevgolatakos, E., Zimin, N I., Zintchenko, A., Zoller, P., Zucchelli, G C., Zumerle, G., 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 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), 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)-Université Grenoble Alpes (UGA), 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), Physique Corpusculaire et Cosmologie - Collège de France (PCC), 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 de Physique des Particules de Marseille (CPPM), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), 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), 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), Aix Marseille Université (AMU)-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)-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)-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), and 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)
Subjects: High Energy Physics - Experiment (hep-ex), High Energy Physics::Phenomenology, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], FOS: Physical sciences, High Energy Physics::Experiment, Particle Physics - Experiment, High Energy Physics - Experiment
Abstract: 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., Comment: 36 pages, 21 figures, see also Addendum in hep-ex/0104021
Published: 2000
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17. Measurement of the $B^0_s$ Lifetime and Study of $B^0_s - \overline{B^0_s}$ Oscillations using $D_{s}l$ Events

Author: Abreu, P., Adam, W., Adye, T., Adzic, P., Albrecht, Z., Alderweireld, T., Alekseev, G D., Alemany, R., Allmendinger, T., Allport, P P., Almehed, S., Amaldi, U., Amapane, N., Amato, S., Anassontzis, E G., Andersson, P., Andreazza, A., Andringa, S., Antilogus, P., Apel, W D., Arnoud, Y., Asman, B., Augustin, J.-E., Augustinus, A., Baillon, P., Bambade, P., Barao, F., Barbiellini, Guido, Barbier, R., Bardin, D Yu., Barker, G., Baroncelli, A., Battaglia, M., Baubillier, M., Becks, K H., Begalli, M., Behrmann, A., Beilliere, P., Belokopytov, Yu., Belous, K., Benekos, N C., Benvenuti, A C., Berat, C., Berggren, M., Bertini, D., Bertrand, D., Besancon, M., Bigi, M., Bilenkii, M S., Bizouard, M A., Bloch, D., Blom, H M., Bonesini, M., Bonivento, W., Boonekamp, M., Booth, P S L., Borgland, A W., Borisov, G., Bosio, C., Botner, O., Boudinov, E., Bouquet, B., Bourdarios, C., Bowcock, T J V., Boyko, I., Bozovic, I., Bozzo, M., Bracko, M., Branchini, P., Brenke, T., Brenner, R A., Bruckman, P., Brunet, J M., Bugge, L., Buran, T., Burgsmuller, T., Buschbeck, B., Buschmann, P., Cabrera, S., Caccia, M., Calvi, M., Camporesi, T., Canale, V., Carena, F., Carroll, L., Caso, C., Castillo-Gimenez, M V., Cattai, A., Cavallo, F R., Chabaud, V., Chapkin, M., Charpentier, P., Chaussard, L., Checchia, P., Chelkov, G A., Chierici, R., Shlyapnikov, P., Chochula, P., Chorowicz, V., Chudoba, J., Cieslik, K., Collins, P., Contri, R., Cortina, E., Cosme, G., Cossutti, F., Crawley, H B., Crennell, D., Crepe, S., Crosetti, G., Cuevas-Maestro, J., Czellar, S., Davenport, M., Da Silva, W., Deghorain, A., Della Ricca, G., Delpierre, P A., 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 D., Eigen, G., Ekelof, T., Ekspong, G., Ellert, M., Elsing, M., Engel, J.P., Espirito-Santo, M C., Fanourakis, G K., Fassouliotis, D., Fayot, J., Feindt, M., Fenyuk, A., Ferrari, P., Ferrer, A., Ferrer-Ribas, E., Ferro, F., Fichet, S., Firestone, A., Flagmeyer, U., Foth, H., Fokitis, E., Fontanelli, F., Franek, B., Frodesen, A G., 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 N., Gele, D., Ghodbane, N., Gil, I., Glege, F., Gokieli, R., Golob, B., Gomez-Ceballos, G., Goncalves, P., Gonzalez-Caballero, I., Gopal, G., Gorn, L., Guz, Yu., Gracco, V., Grahl, J., Graziani, E., Grimm, H J., Gris, P., Grosdidier, G., Grzelak, K., Gunther, M., Guy, J., Hahn, F., Hahn, S., Haider, S., Hallgren, A., Hamacher, K., Hansen, J., Harris, F J., Hedberg, V., Heising, S., Hernandez, J J., Herquet, P., Herr, H., Hessing, T L., Heuser, J M., Higon, E., Holmgren, S O., Holt, P J., Hoorelbeke, S., Houlden, M., Hrubec, J., Huet, K., Hughes, G J., Hultqvist, K., Jackson, J N., Jacobsson, R., Jalocha, P., Janik, R., Jarlskog, C., Jarlskog, G., Jarry, P., Jean-Marie, B., Johansson, E K., Jonsson, P., Joram, C., Juillot, P., Kapusta, F., Karafasoulis, K., Katsanevas, S., Katsoufis, E C., Keranen, R., Kernel, G., Kersevan, B P., Khomenko, B A., Khovanskii, N N., Kiiskinen, A., King, B J., Kinvig, A., Kjaer, N J., Klapp, O., Klein, H., Kluit, P., Kokkinias, P., Koratzinos, M., Kostyukhin, V., Kourkoumelis, C., Kuznetsov, O., Krammer, M., Kriznic, E., Krstic, J., Krumshtein, Z., Kubinec, P., Kurowska, J., Kurvinen, K., Lamsa, J W., Lane, D W., Langefeld, P., Lapin, V., Laugier, J P., Lauhakangas, R., Leder, G., Ledroit, F., Lefebure, V., Leinonen, L., Leisos, A., Leitner, R., Lenzen, G., Lepeltier, V., Lesiak, T., Lethuillier, M., Libby, J., Liko, D., Lipniacka, A., Lippi, I., Lorstad, B., Loken, J G., Lopes, J H., Lopez, J M., Lopez-Fernandez, R., Loukas, D., Lutz, P., Lyons, L., MacNaughton, J., Mahon, J R., Maio, A., Malek, A., Malmgren, T G M., Maltezos, S., 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., Masik, J., Mastroyiannopoulos, N., Matorras, F., Matteuzzi, C., Matthiae, G., Mazzucato, F., Mazzucato, M., McCubbin, M., McKay, R., McNulty, R., McPherson, G., Meroni, C., Meyer, W T., Migliore, E., Mirabito, L., Mitaroff, W A., Mjornmark, U., Moa, T., Moch, M., Moller, R., Monig, K., Monge, M R., Moreau, X., Morettini, P., Morton, G., Muller, U., Munich, K., Mulders, M., Mulet-Marquis, C., Muresan, R., Murray, W J., Muryn, B., Myatt, G., Myklebust, T., Naraghi, F., Nassiakou, M., Navarria, F L., Navas, S., Nawrocki, K., Negri, P., Nemecek, S., Neufeld, N., Nicolaidou, R., Nielsen, B S., Niezurawski, P., Nikolenko, M., Nomokonov, V P., Nygren, A., Obraztsov, V F., Olshevskii, A G., Onofre, A., Orava, R., Orazi, G., Osterberg, K., Ouraou, A., Paganoni, M., Paiano, S., Pain, R., Paiva, R., Palacios, J., Palka, H., Papadopoulou, T D., 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 T., Pierre, F., Pimenta, M., Piotto, E., Podobnik, T., Pol, M E., Polok, G., Poropat, P., Pozdnyakov, V., Privitera, P., Pukhaeva, N., Pullia, A., Radojicic, D., Ragazzi, S., Rahmani, H., Ratoff, P N., Read, A L., Rebecchi, P., Redaelli, N G., Regler, M., Reid, D., Reinhardt, R., Renton, P B., Resvanis, L K., Richard, F., Ridky, J., Rinaudo, G., Rohne, O., Romero, A., Ronchese, P., Rosenberg, E I., Rosinsky, P., Roudeau, P., Rovelli, T., Royon, C., Ruhlmann-Kleider, V., Ruiz, A., Saarikko, H., Sacquin, Y., Sadovskii, A., Sajot, G., Salt, J., Sampsonidis, D., Sannino, M., Schneider, Henri, Schwemling, P., Schwering, B., Schwickerath, U., Scuri, F., Seager, P., Sedykh, Yu., Segar, A M., Sekulin, R., Shellard, R C., Siebel, M., Simard, L., Simonetto, F., Sissakian, A N., Smadja, G., Smirnova, O., Smith, G R., Solovyanov, O., Sopczak, A., Sosnowski, R., Spassoff, Tz., Spiriti, E., Sponholz, P., Squarcia, S., Stanescu, C., Stanic, S., 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 G., Tobin, M., Todorova, S., Tomaradze, A G., Tome, B., Tonazzo, A., Tortora, L., Transtromer, G., Treille, D., Tristram, G., Trochimczuk, M., Troncon, C., Tsirou, A., Turluer, M L., Tyapkin, I A., Tzamarias, S., Ullaland, O., Uvarov, V., Valenti, G., Vallazza, E., Van Apeldoorn, G W., Van Dam, P., Van Doninck, W K., Van Eldik, J., Van Lysebetten, A., Van Remortel, N., Van Vulpen, I., Vassilopoulos, N., Vegni, G., Ventura, Laurent, Venus, W., Verbeure, F., Verlato, M., Vertogradov, L S., Verzi, V., Vilanova, D., Vitale, L., Vlasov, E., Vodopyanov, A., Vollmer, C., Voulgaris, G., Vrba, V., Wahlen, H., Walck, C., Washbrook, A J., Weiser, C., Wicke, D., Wickens, J H., Wilkinson, G R., Winter, M., Witek, M., Wolf, G., Yi, J., Yushchenko, O., Zaitsev, A., Zalewska, A., Zalewski, P., Zavrtanik, D., Zevgolatakos, E., Zimin, N I., Zintchenko, A., Zucchelli, G C., Zumerle, G., 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 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), 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)-Université Grenoble Alpes (UGA), 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), Physique Corpusculaire et Cosmologie - Collège de France (PCC), 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 de Physique des Particules de Marseille (CPPM), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), 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), 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), 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), 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), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and 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)
Subjects: cognition, knowledge philosophy, language, epistemology, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], reasoning, High Energy Physics::Experiment, perception, Particle Physics - Experiment
Abstract: Lifetime and oscillations of $\Bs$ mesons have been studied in eventswith a large transverse momentum lepton and a $\Ds$ of opposite electric charge>the same hemisphere, selected from about 3.6 million hadronic $\Zz$decays accumulated by DELPHI between 1992 and 1995. \\The $\Bs$ lifetime and the fractional width difference between the two physical> Lifetime and oscillations of B0s mesons have been studied in events with a large transverse momentum lepton and a Ds of opposite electric charge in the same hemisphere, selected from about 3.6 million hadronic Z0 decays accumulated by DELPHI between 1992 and 1995. The B0s lifetime and the fractional width difference between the two physical B0s states have been found to be: \tau_(B0s) = (1.42^{+0.14}_{-0.13}(stat.) +/- 0.03(syst.)) ps \Delta\Gamma(B0s)/\Gamma(B0s) < 0.46 at the 95% C.L. In the latter result it has been assumed that \tau_(B0s)=\tau_(B0d). Using the same sample, a limit on the mass difference between the physical B0s states has been set: Delta(m_B0s) > 7.4 ps^{-1} at the 95% C.L. with a corresponding sensitivity equal to 8.1 ps^{-1}.
Published: 2000
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18. A study of the Lorentz structure in tau decays

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., Bertrand, D., Besancon, M., Bigi, M., Bilenky, M., Bizouard, M., Bloch, D., Blom, H., Bonesini, M., Bonnekamp, M., Booth, P., Borgland, A., Borisov, G., Bosio, C., Botner, O., Boudinov, E., Bouquet, B., Bourdarios, C., Bowcock, T., Boyko, I., Bozovic, I., Bozzo, Marco, 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., Chizhov, M., 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., Silva, W. D., Ricca, G. D., Delpierre, P., Demaria, N., Angelis, A. D., Boer, W. D., Clercq, C. D., Lotto, B. D., Min, A. D., Paula, L. D., Dijkstra, H., Ciaccio, L. D., Dolbeau, J., Doroba, K., Dracos, M., Drees, J., Dris, M., Duperrin, A., Durand, J., Eigen, G., Ekelof, T., Ekspong, G., Ellert, M., Elsing, M., Engle, J., Santo, M., Fanourakis, G., Fassouliotis, D., Fayot, J., Feindt, M., Fenyuk, A., Ferrer, A., Ferrer Ribas, E., Ferro, F., Fichet, S., Firestone, A., Flagmeyer, U., Foeth, H., Fokitis, E., Fontanelli, Flavio, 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., 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., 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., Krstic, J., 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., Cubbin, M. M., Kay, R. M., Nulty, R. M., Pherson, G. M., Meroni, C., Meyer, W., Migliore, E., Mirabito, L., Mitaroff, W., Mjoernmark, U., Moa, T., Moch, M., Moeller, R., Moenig, K., Monge, MARIA ROBERTA, 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., Niezurawksi, 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, Fabrizio, Parzefall, U., Passeri, A., Passon, O., Pavel, T., Pegoraro, M., Peralta, L., Pernicka, M., Perrotta, A., Petridou, C., Petrolini, Alessandro, 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., Sopczak, A., Sosnowski, R., Spassov, T., Spiriti, E., Squarcia, Sandro, 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., Tengfeldt, 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., Velde, C. V., Dam, P. V., Den, W. V., Doninck, W. V., Eldik, J. V., Lysebetten, A. V., Remortel, N. v., Vulpen, I. V., 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., Whalen, H., Walck, C., Washbrook, A., Weiser, C., Wicke, D., Wickens, J., Wilkinson, G., Winter, M., Witek, M., Wolf, G., Yi, J., Yushchenko, O., Zaitsev, A., Zalewska, A., Zalewski, P., Zavrtanik, D., Zevgolatakos, E., Zimin, N., Zintchenko, A., Zoller, P., Zucchelli, G., Zumerle, G., Collaboration, D., 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 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), 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), 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), 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), 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 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 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), 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), UCL - SST/IRMP - Institut de recherche en mathématique et physique, Delphi, Collaboration, Abreu, P., Adam, W., Canale, Vincenzo, BARBIELLINI AMIDEI, Guido, Cossutti, F., DELLA RICCA, Giuseppe, Poropat, Paolo, Vitale, Lorenzo, Delphi (IHEF, IoP, FNWI), and 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)
Subjects: Particle physics, Physics and Astronomy (miscellaneous), CHARGED WEAK-INTERACTIONS, LUND MONTE-CARLO, ENERGIES, Lorentz transformation, FOS: Physical sciences, 01 natural sciences, JET FRAGMENTATION, Partícules (Física nuclear), law.invention, High Energy Physics - Experiment, symbols.namesake, High Energy Physics - Experiment (hep-ex), NEUTRINO HELICITY, RIGHT-SYMMETRICAL MODEL, MICHEL PARAMETERS, RADIATIVE-CORRECTIONS, LEPTON, PARTICLES, law, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Tensor, 010306 general physics, Collider, Engineering (miscellaneous), Charged current, DELPHI, Physics, 010308 nuclear & particles physics, Coupling (probability), Helicity, LARGE ELECTRON POSITRON COLLIDER, PARTICLE PHYSICS, symbols, Michel parameters, Física nuclear, High Energy Physics::Experiment, Astrophysics::Earth and Planetary Astrophysics, Particle Physics - Experiment, Lepton
Abstract: This paper describes a measurement of the Michel parameters, \eta, \rho, \xi, \xi\delta, and the average \nu_{\tau} helicity, h_{\nu_{\tau}}, in tau lepton decays together with the first measurement of the tensor coupling in the weak charged current. The tau+tau- pairs were produced at the LEP e+e- collider at CERN from 1992 through 1995 in the DELPHI detector. Assuming lepton universality in the decays of the tau the measured values of the parameters were: \eta = -0.005 +/- 0.036 +/- 0.037, \rho = 0.775 +/- 0.023 +/- 0.020, \xi = 0.929 +/- 0.070 +/- 0.030, \xi\delta = 0.779 +/- 0.070 +/- 0.028, h_{\nu_{\tau}} = -0.997 +/- 0.027 +/- 0.011. The strength of the tensor coupling was measured to be \kappa^W_\tau = -0.029 +/- 0.036 +/- 0.018. The first error is statistical and the second error is systematic in all cases. The results are consistent with the V-A structure of the weak charged current in decays of the tau lepton., Comment: 38 pages, 12 figures
Published: 2000
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19. Measurement of the $\overline{B} \to D^{(*)}\pi l\overline{\nu}_{l}$ branching fraction

Author: Abreu, P., Adam, W., Adye, T., Adzic, P., Azhinenko, I., Albrecht, Z., Alderweireld, T., Alekseev, G.D., Alemany, R., Allmendinger, T., Allport, P.P., Almehed, S., Amaldi, U., Amapane, N., Amato, S., Anassontzis, E.G., Andersson, P., Andreazza, A., Andringa, S., Antilogus, P., Apel, W.D., Arnoud, Y., Asman, B., Augustin, J.-E., Augustinus, A., Baillon, P., Bambade, P., Barao, F., Barbiellini, Guido, Barbier, R., Bardin, D.Yu., Barker, G., Baroncelli, A., Battaglia, M., Baubillier, M., Becks, K.H., Begalli, M., Behrmann, A., Beilliere, P., Belokopytov, Yu., Benekos, N.C., Benvenuti, A.C., Berat, C., Berggren, M., Bertini, D., Bertrand, D., Besancon, M., Bigi, M., Bilenkii, M.S., Bizouard, M.A., Bloch, D., Blom, H.M., Bonesini, M., Bonivento, W., Boonekamp, M., Booth, P.S.L., Borgland, A.W., Borisov, G., Bosio, C., Botner, O., Boudinov, E., Bouquet, B., Bourdarios, C., Bowcock, T.J.V., Boyko, I., Bozovic, I., Bozzo, M., Bracko, M., Branchini, P., Brenner, R.A., Bruckman, P., Brunet, J.M., Bugge, L., Buran, T., Buschbeck, B., Buschmann, P., Cabrera, S., Caccia, M., Calvi, M., Camporesi, T., Canale, V., Carena, F., Carroll, L., Caso, C., Castillo Gimenez, M.V., Cattai, A., Cavallo, F.R., Chabaud, V., Charpentier, P., Chaussard, L., Checchia, P., Chelkov, G.A., Chierici, R., Shlyapnikov, P., Chochula, P., Chorowicz, V., Chudoba, J., Cieslik, K., Collins, P., Contri, R., Cortina, E., Cosme, G., Cossutti, F., Crawley, H.B., Crennell, D., Crepe, S., Crosetti, G., Cuevas 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.D., Eigen, G., Ekelof, T., Ekspong, G., Ellert, M., Elsing, M., Engel, J.P., Espirito Santo, M., Fanourakis, G., Fassouliotis, D., Fayot, J., Feindt, M., Ferrari, P., Ferrer, A., Ferrer-Ribas, E., Ferro, F., Fichet, S., Firestone, A., Flagmeyer, U., Foeth, H., Fokitis, E., Fontanelli, F., Franek, B., Frodesen, A.G., 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.N., Gele, D., Gerdyukov, L., Ghodbane, N., Gil, I., Glege, F., Gokieli, R., Golob, B., Gomez-Ceballos, G., Goncalves, P., Gonzalez Caballero, I., Gopal, G., Gorn, L., 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.J., Hedberg, V., Heising, S., Hernandez, J.J., Herquet, P., Herr, H., Hessing, T.L., Heuser, J.M., Higon, E., Holmgren, S.O., Holt, P.J., Hoorelbeke, S., Houlden, M., Hrubec, J., Huber, M., Huet, K., Hughes, G.J., Hultqvist, K., Jackson, J.N., Jacobsson, R., Jalocha, P., Janik, R., Jarlskog, C., Jarlskog, G., Jarry, P., Jean-Marie, B., Jeans, D., Johansson, E.K., Jonsson, P., Joram, C., Juillot, P., Jungermann, L., Kapusta, F., Karafasoulis, K., Katsanevas, S., Katsoufis, E.C., Keranen, R., Kernel, G., Kersevan, B.P., Khokhlov, Yu., Khomenko, B.A., Khovansky, N.N., Kiiskinen, A., King, B., Kinvig, A., Kjaer, N.J., Klapp, O., Klein, H., Kluit, P., Kokkinias, P., Kostyukhin, V., Kourkoumelis, C., Kuznetsov, O., Krammer, M., Kriznic, E., Krumshtein, Z., Kubinec, P., Kurowska, J., Kurvinen, K., Lamsa, J.W., Lane, D.W., 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., Liebig, W., Liko, D., Lipniacka, A., Lippi, I., Lorstad, B., Loken, J.G., Lopes, J.H., Lopez, J.M., Lopez-Fernandez, R., Loukas, D., Lutz, P., Lyons, L., Macnaughton, J., Mahon, J.R., Maio, A., Malek, A., Malmgren, T.G.M., Maltezos, S., 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., Masik, J., Mastroyiannopoulos, N., Matorras, F., Matteuzzi, C., Matthiae, G., Mazzucato, F., Mazzucato, M., Mccubbin, M., Mckay, R., Mcnulty, R., Mcpherson, G., Meroni, C., Meyer, W.T., Myagkov, A., Migliore, E., Mirabito, L., Mitaroff, W.A., Mjornmark, U., Moa, T., Moch, M., Moller, R., Monig, K., Monge, M.R., Moreau, X., Morettini, P., Morton, G., Muller, U., Munich, K., Mulders, M., Mulet-Marquis, C., Muresan, R., Murray, W.J., Muryn, B., Myatt, G., Myklebust, T., Naraghi, F., Nassiakou, M., Navarria, F.L., Navas, S., Nawrocki, K., Negri, P., Neufeld, N., Nicolaidou, R., Nielsen, B.S., Niezurawski, P., Nikolenko, M., Nomokonov, V., Nygren, A., Obraztsov, V., Olshevsky, A.G., Onofre, A., Orava, R., Orazi, G., Osterberg, K., Ouraou, A., Paganoni, M., Paiano, S., Pain, R., Paiva, R., Palacios, J., Palka, H., Papadopoulou, T.D., 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.T., Pierre, F., Pimenta, M., Piotto, E., Podobnik, T., Pol, M.E., Polok, G., Poropat, P., Pozdnyakov, V., Privitera, P., Pukhaeva, N., Pullia, A., Radojicic, D., Ragazzi, S., Rahmani, H., Rames, J., Ratoff, P.N., Read, A.L., Rebecchi, P., Redaelli, N.G., Regler, M., Rehn, J., Reid, D., Reinhardt, R., Renton, P.B., Resvanis, L.K., Richard, F., Ridky, J., Rinaudo, G., Ripp-Baudot, I., Rohne, O., Romero, A., Ronchese, P., Rosenberg, E.I., 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, Yu., Segar, A.M., Seibert, N., Sekulin, R., Shellard, R.C., Siebel, M., Simard, L., Simonetto, F., Sisakian, A.N., Smadja, G., Smirnov, N., Smirnova, O., Smith, G.R., Sokolov, A., Sopczak, A., Sosnowski, R., Spassoff, 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., Tegenfeldt, F., Terranova, F., Thomas, J., Timmermans, J., Tinti, N., Tkachev, L.G., Tobin, M., Todorova, S., Tomaradze, A., Tome, B., Tonazzo, A., Tortora, L., Tortosa, Pablo, Transtromer, G., Treille, D., Tristram, G., Trochimczuk, M., Troncon, C., Turluer, M.L., Tyapkin, I.A., Tzamarias, S., Ullaland, O., Uvarov, V., Valenti, G., Vallazza, E., Vander Velde, C., van Dam, P., van den Boeck, W., van Doninck, W.K., van Eldik, J., van Lysebetten, A., van Remortel, N., van Vulpen, I., Vegni, G., Ventura, Laurent, Venus, W., Verbeure, F., Verlato, M., Vertogradov, L.S., Verzi, V., Vilanova, D., Vitale, L., Vlasov, E., Vodopyanov, A.S., Voulgaris, G., Vrba, V., Wahlen, H., Walck, C., Washbrook, A.J., Weiser, C., Wicke, D., Wickens, J.H., Wilkinson, G.R., Winter, M., Witek, M., Wolf, G., Yi, J., Yushchenko, O., Zalewska, A., Zalewski, P., Zavrtanik, D., Zevgolatakos, E., Zimin, N.I., Zinchenko, A., Zoller, P., Zucchelli, G.C., Zumerle, G., 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 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), 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), 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), 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), 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), 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), 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), 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: High Energy Physics::Phenomenology, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Particle Physics - Experiment
Abstract: A study of $b$ semileptonic decays into $D$, $D\pi^{\pm}$ and $D^*\pi^{\pm}$ final states is presented.The $D^0$, $D^+$ and $D^{*+}$ mesons are exclusively reconstructed in $Z$ decay data recorded from 1992 to 1995in the DELPHI experiment at LEP. The overall branching fractions are measured to be: $BR(b -> D^0 \ell^- \bar{\nu}_{\ell} X) = (7.04 +/- 0.34 (stat) +/- 0.36 (syst.exp) +/- 0.17 (BR_D))\%,$ $BR(b -> D^+ \ell^- \bar{\nu}_{\ell} X) = (2.72 +/- 0.19 (stat) +/- 0.16 (syst.exp) +/- 0.18 (BR_D))\%$, $BR(b -> D^{*+} \ell^- \bar{\nu}_{\ell} X) = (2.75 +/- 0.17 (stat) +/- 0.13 (syst.exp) +/- 0.09 (BR_D))\%$ where the $D^0$ and $D^+$ results include also contributions from $D^{*0}$ and $D^{*+}$ decays. A study of $b$ semileptonic decays into $D$, $D\pi^{\pm}$ and $D^*\pi^{\pm}$ final states is presented.The $D^0$, $D^+$ and $D^{*+}$ mesons are exclusively reconstructed in $Z$ decay data recorded from 1992 to 1995in the DELPHI experiment at LEP. The overall branching fractions are measured to be: $BR(b -> D^0 \ell^- \bar{\nu}_{\ell} X) = (7.04 +/- 0.34 (stat) +/- 0.36 (syst.exp) +/- 0.17 (BR_D))\%,$ $BR(b -> D^+ \ell^- \bar{\nu}_{\ell} X) = (2.72 +/- 0.19 (stat) +/- 0.16 (syst.exp) +/- 0.18 (BR_D))\%$, $BR(b -> D^{*+} \ell^- \bar{\nu}_{\ell} X) = (2.75 +/- 0.17 (stat) +/- 0.13 (syst.exp) +/- 0.09 (BR_D))\%$ where the $D^0$ and $D^+$ results include also contributions from $D^{*0}$ and $D^{*+}$ decays. A study of b semileptonic decays into D, D pi+- and D* pi+- final states is presented. The D0, D+ and D*+ mesons are exclusively reconstructed in Z decay data recorded from 1992 to 1995 in the DELPHI experiment at LEP. The overall branching fractions are measured to be: BR(b -> D^0 \ell^- \bar{\nu}_{\ell} X) = (7.04 +/- 0.34 (stat) +/- 0.36 (syst.exp) +/- 0.17 (BR_D))% BR(b -> D^+ \ell^- \bar{\nu}_{\ell} X) = (2.72 +/- 0.19 (stat) +/- 0.16 (syst.exp) +/- 0.18 (BR_D))% BR(b -> D^{*+} \ell^- \bar{\nu}_{\ell} X) = (2.75 +/- 0.17 (stat) +/- 0.13 (syst.exp) +/- 0.09 (BR_D))% where the D0 and D+ results include also contributions from D*0 and D*+ decays. A fit to the distribution of the pi+- impact parameter to the primary interaction vertex provides a measurement of the b semileptonic branching fractions into the D0 pi+- X, D+ pi+- X and D*+ pi+- X final states. Assuming that single pion decay modes of B mesons dominate, the partial rates for \bar{B} -> D \pi \ell^- \bar{\nu_{\ell}} and \bar{B} -> D^{*} \pi \ell^- \bar{\nu_{\ell}} have been obtained, corresponding to a total branching fraction: BR(\bar{B} -> D \pi \ell^- \bar{\nu_{\ell}}) + BR(\bar{B} -> D^{*} \pi \ell^- \bar{\nu_{\ell}}) = (3.40 +/- 0.52 (stat) +/- 0.32 (syst))% . This result agrees well with the observed difference between the total B semileptonic branching fraction and the sum of the \bar{B} -> D \ell^- \bar{\nu_{\ell}} and D^* \ell^- \bar{\nu_{\ell}} branching fractions.
Published: 2000
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20. Photon events with missing energy at root s=183 to 189 GeV

Author: Abreau, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, Alderweireld, T, Alekseev, GD, Alemany, R, Allmendinger, T, Allport, PP, Almehed, S, Amaldi, U, Amapane, N, 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, Behrmann, A, Beilliere, P, Belokopytov, Y, Benekos, NC, Benvenuti, AC, Berat, C, Berggren, M, Bertrand, D, Besancon, M, Bigi, M, Bilenky, MS, Bizouard, MA, Bloch, D, Blom, HM, Bonesini, M, 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, Bracko, M, Branchini, P, Brenner, RA, Bruckman, P, Brunet, JM, 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, MVC, Cattai, A, Cavallo, FR, Chabaud, V, Charpentier, P, Checchia, P, Chelkov, GA, Chierici, R, Chliapnikov, P, Chochula, P, Chorowicz, V, Chudoba, J, Cieslik, K, Collins, P, Contri, R, Cortina, E, Cosme, G, Cossutti, F, Crawley, HB, Crennell, D, Crepe, S, Crosetti, G, Maestro, JC, 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, JD, Eigen, G, Ekelof, T, Ekspong, G, Ellert, M, Elsing, M, Engel, JP, Santo, ME, Falk, E, Fanourakis, G, Fassouliotis, D, Fayot, J, Feindt, M, Ferrari, P, Ferrer, A, Ferrer-Ribas, E, Ferro, F, Fichet, S, Firestone, A, 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, 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, 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, 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, Huber, M, Huet, K, Hughes, GJ, Hultqvist, K, Jackson, JN, Jacobsson, R, Jalocha, P, Janik, R, Jarlskog, C, Jarlskog, G, Jarry, P, Jean-Marie, B, Jeans, D, Johansson, EK, Jonsson, P, Joran, C, Juillot, P, Jungermann, L, Kapusta, F, Karafasoulis, K, Katsanevas, S, Katsoufis, EC, Keranen, R, Kernel, G, Kersevan, BP, Khokhlov, Y, Khomenko, BA, Khovanski, NN, Kiiskinen, A, King, B, Kinvig, A, Kjaer, NJ, 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, JW, Lane, DW, 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, Letuillier, M, Libby, J, Liebig, W, 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, Maltezos, S, 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, Mastroyiannopoulos, N, Matorras, F, Matteuzzi, C, Matthiae, G, Mazzucato, F, Mazzucato, M, McCubbin, M, Mc Kay, R, Mc Nulty, R, Mc Pherson, G, Meroni, C, Meyer, WT, Migliore, E, Mirabito, L, Mitaroff, WA, Mjoernmark, U, Moa, T, Moch, M, Moeller, R, Moenig, K, Monge, MR, Moraes, D, 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, Nassiakou, M, Navarria, FL, Navas, S, Nawrocki, K, Negri, P, Neufeld, N, Nicolaidou, R, Nielsen, BS, Niezurawski, P, Nikolenko, R, Nomokonov, V, 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, Pavel, T, 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, Rames, J, Ratoff, PN, Read, AL, Rebecchi, P, Redaelli, NG, Regler, M, Rehn, J, Reid, D, Reinhardt, R, Renton, PB, Resvanis, LK, Richard, F, Ridky, J, Rinaudo, G, Ripp-Baudot, I, 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, Schwemling, P, Schwering, B, Schwickerath, U, Scuri, F, Seager, P, Sedykh, Y, Segar, AM, Seibert, N, Sekulin, R, Shellard, RC, Siebel, M, Simard, L, Simonetto, F, Sisakian, AN, Smadja, G, Smirnov, N, Smirnova, O, Smith, GR, 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, Tegenfeldt, F, Terranova, F, Thomas, J, Timmermans, J, Tinti, N, Tkatchev, LG, 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, ML, Tyapkin, IA, 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, LS, Verzi, V, Vilanova, D, Vitale, L, Vlasov, E, Vodopyanov, AS, Voulgaris, G, Vrba, V, Wahlen, H, Walck, C, Washbrook, AJ, 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, Zintchenko, A, Zoller, P, Zucchelli, GC, Zumerle, G, Collaboration, DELPHI, Delphi, Collaboration, Abreu, P., Adam, W., Canale, Vincenzo, Delphi (IHEF, IoP, FNWI), UCL - SST/IRMP - Institut de recherche en mathématique et physique, 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 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), 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)-Université Grenoble Alpes (UGA), 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), Physique Corpusculaire et Cosmologie - Collège de France (PCC), 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 de Physique des Particules de Marseille (CPPM), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), 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), 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), Aix Marseille Université (AMU)-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)-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)-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), 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), BARBIELLINI AMIDEI, Guido, Cossutti, F., DELLA RICCA, Giuseppe, Poropat, Paolo, and Vitale, Lorenzo
Subjects: NEUTRALINOS, Particle physics, DIMENSIONS, Photon, Physics and Astronomy (miscellaneous), Physics beyond the Standard Model, Astrophysics::High Energy Astrophysical Phenomena, STANDARD MODEL, FOS: Physical sciences, Scale (descriptive set theory), 7. Clean energy, 01 natural sciences, Partícules (Física nuclear), Standard Model, High Energy Physics - Experiment, Gravitation, High Energy Physics - Experiment (hep-ex), E(+)E(-) COLLISIONS, SIGNALS, SEARCH, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], 010306 general physics, Nuclear Experiment, Engineering (miscellaneous), DELPHI, Physics, Missing energy, 010308 nuclear & particles physics, SUPERLIGHT GRAVITINO, LEP, LARGE ELECTRON POSITRON COLLIDER, SINGLE-PHOTON, COLLIDERS, PARTICLE PHYSICS, Production (computer science), Física nuclear, High Energy Physics::Experiment, Neutrino, Particle Physics - Experiment
Abstract: The production of single photons has been studied in the reaction e+e- -> gamma + invisible particles at centre-of-mass energies of 183 GeV and 189 GeV. A previously published analysis of events with multi-photon final states accompanied by missing energy has been updated with 189 GeV data. The data were collected with the DELPHI detector and correspond to integrated luminosities of about 51 pb^{-1} and 158 pb^{-1} at the two energies. The number of light neutrino families is measured to be 2.84 +/- 0.15(stat) +/- 0.14(syst). The absence of an excess of events beyond that expected from Standard Model processes is used to set limits on new physics as described by supersymmetric and composite models. A limit on the gravitational scale is also determined., 22 pages, 10 figures
Published: 2000
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21. Lambda(b) polarization in Z(0) decays at LEP

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., 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., Bertini, D., Bertrand, D., Besancon, M., Bigi, M., Bilenky, M., Bizouard, M., Bloch, D., Blom, H., Bonesini, M., Bonivento, W., 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, Marco, 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., 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., Maestro, J., Czellar, S., Davenport, M., Silva, W. D., Ricca, G. D., Delpierre, P., Demaria, N., Angelis, A. D., Boer, W. D., Clercq, C. D., Lotto, B. D., Min, A. D., Paula, L. D., Dijkstra, H., Ciaccio, L. D., 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., Fenyuk, A., Ferrari, P., Ferrer, A., Ferrer Ribas, E., Ferro, F., Fichet, S., Firestone, A., Flagmeyer, U., Foeth, H., Fokitis, E., Fontanelli, Flavio, 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., Caballero, 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., 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., Martinez Vidal, F., Garcia, S., Masik, J., Mastroyiannopoulos, N., Matorras, F., Matteuzzi, C., Matthiae, G., Mazzucato, F., Mazzucato, M., Cubbin, M. M., Kay, R. M., Nulty, R. M., Pherson, G. M., Meroni, C., Meyer, W., Miagkov, A., Migliore, E., Mirabito, L., Mitaroff, W., Mjoernmark, U., Moa, T., Moch, M., Moeller, R., Moenig, K., Monge, MARIA ROBERTA, 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, Fabrizio, Parzefall, U., Passeri, A., Passon, O., Pavel, T., Pegoraro, M., Peralta, L., Pernicka, M., Perrotta, A., Petridou, C., Petrolini, Alessandro, 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., Sopczak, A., Sosnowski, R., Spassov, T., Spiriti, E., Squarcia, Sandro, 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., Tzamarias, S., Ullaland, O., Uvarov, V., Valenti, G., Vallazza, E., Dam, P. V., Den, W. V., Eldik, J. V., Lysebetten, A. V., Remortel, N. v., Vulpen, I. V., 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., Collaboration, D., 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 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), 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), 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), 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), 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 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 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), 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), and 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)
Subjects: BARYONS, B POLARIZATION, TOP QUARKS, QCD, SPECTRA, BOTTOM, VARIABLES, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Particle Physics - Experiment
Published: 2000
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22. Two-dimensional analysis of the Bose-Einstein correlations in $e^+ e^-$ annihilation at the Z$^0$ peak

Author: Abreau, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, T, Alekseev, GD, Alemany, R, Allmendinger, T, Allport, PP, Almehed, S, Amaldi, U, Amapane, N, 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, Behrmann, A, Beilliere, P, Belokopytov, Y, Belous, K, Benekos, NC, Benvenuti, AC, Berat, C, Berggren, M, Bertrand, D, Besancon, M, Bigi, M, Bilenky, MS, Bizouard, MA, Bloch, D, Blom, HM, Bonesini, M, 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, Bracko, M, Branchini, P, Brenner, RA, Bruckman, P, Brunet, JM, 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, MVC, Cattai, A, Cavallo, FR, Chabaud, V, Chapkin, M, Charpentier, P, Checchia, P, Chelkov, GA, Chierici, R, Chliapnikov, P, Chochula, P, Chorowicz, V, Chudoba, J, Cieslik, K, Collins, P, Contri, R, Cortina, E, Cosme, G, Cossutti, F, Crawley, HB, Crennell, D, Crepe, S, Crosetti, G, Maestro, JC, 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, JD, Eigen, G, Ekelof, T, Ekspong, G, Ellert, M, Elsing, M, Engel, JP, Santo, ME, 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, AG, Fruhwirth, R, Fulda-Quenzer, F, Fuster, J, Galloni, A, Gamba, D, Gamblin, S, Gandelman, M, Garcia, C, Gaspar, C, Gasper, M, Gasparini, U, Gavillet, P, Gazis, EN, Gele, D, Geralis, T, Ghodbane, N, Gil, I, Glege, F, Gokieli, R, Golob, B, Gomez-Ceballos, G, Goncalves, P, Caballero, IG, 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, 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, Huber, M, Huet, K, Hughes, GJ, Hultqvist, K, Jackson, JN, Jacobsson, R, Jalocha, P, Janik, R, Jarlskog, C, Jarlskog, G, Jarry, P, Jean-Marie, B, Jeans, D, Johansson, EK, Jonsson, P, Joram, C, Juillot, P, Jungermann, L, Kapusta, F, Karafasoulis, K, Katsanevas, S, Katsoufis, EC, Keranen, R, Kernel, G, Kersevan, BP, Khomenko, BA, Khovanski, NN, Kiiskinen, A, King, B, Kinvig, A, Kjaer, NJ, 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, JW, Lane, DW, 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, Liebig, W, 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, Maltezos, S, 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, Mastroyiannopoulos, N, Matorras, F, Matteuzzi, C, Matthiae, G, Mazzucato, F, Mazzucato, M, McCubbin, M, McKay, R, McNulty, R, McPherson, G, Meroni, C, Meyer, WT, Migliore, E, Mirabito, L, Mitaroff, WA, Mjoernmark, U, Moa, T, Moch, M, Moeller, R, Moenig, K, Monge, MR, Moraes, D, 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, Nassiakou, M, Navarria, FL, Navas, S, Nawrocki, K, Negri, P, Neufeld, N, Nicolaidou, R, Nielsen, BS, Niezurawski, P, Nikolenko, M, Nomokonov, V, 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, 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, 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, Rames, J, Ratoff, PN, Read, AL, Rebecchi, P, Redaelli, NG, Regler, M, Rehn, J, Reid, D, Reinhardt, R, Renton, PB, Resvanis, LK, Richard, F, Ridky, J, Rinaudo, G, Ripp-Baudot, I, 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, Schwemling, P, Schwering, B, Schwickerath, U, Scuri, F, Seager, P, Sedykh, Y, Segar, AM, Seibert, N, Sekulin, R, Shellard, RC, Siebel, M, Simard, L, Simonetto, F, Sisakian, AN, Smadja, G, Smirnova, O, Smith, GR, Sokolov, A, 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, T, Taffard, A, Tegenfeldt, F, Terranova, F, Thomas, J, Timmermans, J, Tinti, N, Tkatchev, LG, 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, ML, Tyapkin, IA, Tyapkin, P, Tzamarias, S, Ullaland, O, Uvarov, V, Valenti, G, Vallazza, E, Vander Velde, C, Van Dam, P, Van den Boeck, W, Van Doninck, WK, 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, LS, Verzi, V, Vilanova, D, Vitale, L, Vlasov, E, Vodopyanov, AS, Voulgaris, G, Vrba, V, Wahlen, H, Walck, C, Washbrook, AJ, Weiser, C, Wicke, D, Wickens, JH, Wilkinson, GR, Winter, M, Witek, M, Wolf, G, Yi, J, Yushchenko, O, Zaitsev, A, Zalewska, A, Zalewski, P, Zavrtanik, D, Zevgolatakos, E, Zimin, NI, Zintchenko, A, Zoller, P, Zucchelli, GC, Zumerle, G, Collaboration, DELPHI, 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 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), 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), 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), 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), 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, Collaboration, Abreu, P., Adam, W., Canale, Vincenzo, BARBIELLINI AMIDEI, Guido, Cossutti, F., DELLA RICCA, Giuseppe, Poropat, Paolo, Vitale, Lorenzo, 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 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), 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), UCL - SST/IRMP - Institut de recherche en mathématique et physique, 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), and Delphi (IHEF, IoP, FNWI)
Subjects: Nuclear and High Energy Physics, Particle physics, E+E ANNIHILATION, Electron–positron annihilation, 01 natural sciences, String (physics), DECAYS, Nuclear physics, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], 010306 general physics, DELPHI, Boson, Physics, Annihilation, 010308 nuclear & particles physics, LEP, Bose–Einstein correlations, LARGE ELECTRON POSITRON COLLIDER, Transverse plane, Correlation function (statistical mechanics), PARTICLE PHYSICS, Large Electron–Positron Collider, Computer Science::Mathematical Software, High Energy Physics::Experiment, Particle Physics - Experiment
Abstract: The study of the directional dependence of two-particle correlations in the hadronic decays of the Z(0) boson is performed using the data collected by the DELPHI experiment in the 1992-1995 running periods. The comparison between the transverse, R-perpendicular to, and longitudinal, R-parallel to, correlation radii confirms the string model prediction that the transverse correlation length is smaller than the longitudinal one, with the measured values of R-perpendicular to = 0.53 +/- 0.08 fm and R-parallel to = 0.85 +/- 0.08 fm, for selected Z(0) --> q (q) over bar events. (C) 2000 Published by Elsevier Science B.V. All rights reserved.
Published: 2000
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23. Upper Limit for the Decay $B^{-} \to \tau^{-}\overline{\nu}_{\tau}$ and Measurement of the $b \to \tau\overline{\nu}_{\tau}X$ Branching Ratio

Author: Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Albrecht, Z., Alderweireld, T., Alekseev, G.D., Alemany, R., Allmendinger, T., Allport, P.P., Almehed, S., Amaldi, U., Amapane, N., Amato, S., Anassontzis, E.G., Andersson, P., Andreazza, A., Andringa, S., Antilogus, P., Apel, W.D., Arnoud, Y., Asman, B., Augustin, J.-E., Augustinus, A., Baillon, P., Bambade, P., Barao, F., Barbiellini, Guido, Barbier, R., Bardin, D.Yu., Barker, G., Baroncelli, A., Battaglia, M., Baubillier, M., Becks, K.H., Begalli, M., Behrmann, A., Beilliere, P., Belokopytov, Yu., Benekos, N.C., Benvenuti, A.C., Berat, C., Berggren, M., Bertrand, D., Besancon, M., Bigi, M., Bilenkii, M.S., Bizouard, M.A., Bloch, D., Blom, H.M., Bonesini, M., Boonekamp, M., Booth, P.S.L., Borgland, A.W., Borisov, G., Bosio, C., Botner, O., Boudinov, E., Bouquet, B., Bourdarios, C., Bowcock, T.J.V., Boyko, I., Bozovic, I., Bozzo, M., Bracko, M., Branchini, P., Brenner, R.A., Bruckman, P., Brunet, J.M., Bugge, L., Buran, T., Buschbeck, B., Buschmann, P., Cabrera, S., Caccia, M., Calvi, M., Camporesi, T., Canale, V., Carena, F., Carroll, L., Caso, C., Castillo Gimenez, M.V., Cattai, A., Cavallo, F.R., Chabaud, V., Charpentier, P., Checchia, P., Chelkov, G.A., Chierici, R., Shlyapnikov, P., Chochula, P., Chorowicz, V., Chudoba, J., Cieslik, K., Collins, P., Contri, R., Cortina, E., Cosme, G., Cossutti, F., Crawley, H.B., Crennell, D., Crepe, S., Crosetti, G., Cuevas Maestro, J., Czellar, S., Davenport, M., da Silva, W., Della Ricca, G., Delpierre, P.A., 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.D., Eigen, G., Ekelof, T., Ekspong, G., Ellert, M., Elsing, M., Engel, J.P., Espirito 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.G., 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.N., Gele, D., Geralis, T., Gerdyukov, L., Ghodbane, N., Gil, I., Glege, F., Gokieli, R., Golob, B., Gomez-Ceballos, G., Goncalves, P., Gonzalez Caballero, I., Gopal, G., Gorn, L., Guz, Yu., 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.J., Hedberg, V., Heising, S., Hernandez, J.J., Herquet, P., Herr, H., Hessing, T.L., Heuser, J.M., Higon, E., Holmgren, S.O., Holt, P.J., Hoorelbeke, S., Houlden, M., Hrubec, J., Huber, M., Huet, K., Hughes, G.J., Hultqvist, K., Jackson, J.N., Jacobsson, R., Jalocha, P., Janik, R., Jarlskog, C., Jarlskog, G., Jarry, P., Jean-Marie, B., Jeans, D., Johansson, E.K., Jonsson, P., Joram, C., Juillot, P., Jungermann, L., Kapusta, F., Karafasoulis, K., Katsanevas, S., Katsoufis, E.C., Keranen, R., Kernel, G., Kersevan, B.P., Khomenko, B.A., Khovanskii, N.N., Kiiskinen, A., King, B., Kinvig, A., Kjaer, N.J., Klapp, O., Klein, H., Kluit, P., Kokkinias, P., Kostyukhin, V., Kourkoumelis, C., Kuznetsov, O., Krammer, M., Kriznic, E., Krstic, J., Krumshtein, Z., Kubinec, P., Kurowska, J., Kurvinen, K., Lamsa, J.W., Lane, D.W., Lapin, V., Laugier, J.P., 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.G., Lopes, J.H., Lopez, J.M., Lopez-Fernandez, R., Loukas, D., Lutz, P., Lyons, L., Macnaughton, J., Mahon, J.R., Maio, A., Malek, A., Malmgren, T.G.M., Maltezos, S., 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., Masik, J., Mastroyiannopoulos, N., Matorras, F., Matteuzzi, C., Matthiae, G., Mazzucato, F., Mazzucato, M., Mccubbin, M., Mckay, R., Mcnulty, R., Mcpherson, G., Meroni, C., Meyer, W.T., Myagkov, A., Migliore, E., Mirabito, L., Mitaroff, W.A., Mjornmark, U., Moa, T., Moch, M., Moller, R., Monig, K., Monge, M.R., Moraes, D., Moreau, X., Morettini, P., Morton, G., Mueller, U., Muenich, K., Mulders, M., Mulet-Marquis, C., Muresan, R., Murray, W.J., Muryn, B., Myatt, G., Myklebust, T., Naraghi, F., Nassiakou, M., Navarria, F.L., Navas, S., Nawrocki, K., Negri, P., Neufeld, N., Nicolaidou, R., Nielsen, B.S., Niezurawski, P., Nikolenko, M., Nomokonov, V., Nygren, A., Obraztsov, V.F., Olshevskii, A.G., Onofre, A., Orava, R., Orazi, G., Osterberg, K., Ouraou, A., Paganoni, M., Paiano, S., Pain, R., Paiva, R., Palacios, J., Palka, H., Papadopoulou, T.D., 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.T., Pierre, F., Pimenta, M., Piotto, E., Podobnik, T., Pol, M.E., Polok, G., Poropat, P., Pozdnyakov, V., Privitera, P., Pukhaeva, N., Pullia, A., Radojicic, D., Ragazzi, S., Rahmani, H., Rames, J., Ratoff, P.N., Read, A.L., Rebecchi, P., Redaelli, N.G., Rehn, J., Reid, D., Reinhardt, R., Renton, P.B., Resvanis, L.K., Richard, F., Ridky, J., Rinaudo, G., Ripp-Baudot, I., Rohne, O., Romero, A., Ronchese, P., Rosenberg, E.I., Rosinsky, P., Roudeau, P., Rovelli, T., Royon, C., Ruhlmann-Kleider, V., Ruiz, A., Saarikko, H., Sacquin, Y., Sadovskii, A., Sajot, G., Salt, J., Sampsonidis, D., Sannino, M., Schwemling, P., Schwering, B., Schwickerath, U., Scuri, F., Seager, P., Sedykh, Yu., Segar, A.M., Seibert, N., Sekulin, R., Shellard, R.C., Siebel, M., Simard, L., Simonetto, F., Sissakian, A.N., Smadja, G., Smirnov, N., Smirnova, O., Smith, G.R., Sokolov, A., Sopczak, A., Sosnowski, R., Spassoff, Tz., 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.G., Tobin, M., Todorova, S., Tomaradze, A.G., Tome, B., Tonazzo, A., Tortora, L., Tortosa, Pablo, Transtromer, G., Treille, D., Tristram, G., Trochimczuk, M., Troncon, C., Turluer, M.L., Tyapkin, I.A., Tyapkin, P., Tzamarias, S., Ullaland, O., Uvarov, V., Valenti, G., Vallazza, E., van Dam, P., Vanden Boeck, W., van Doninck, W.K., van Eldik, J., van Lysebetten, A., van Remortel, N., van Vulpen, I., Vegni, G., Ventura, Laurent, Venus, W., Verbeure, F., Verdier, P., Verlato, M., Vertogradov, L.S., Verzi, V., Vilanova, D., Vitale, L., Vlasov, E., Vodopyanov, A., Voulgaris, G., Vrba, V., Wahlen, H., Walck, C., Washbrook, A.J., Weiser, C., Wicke, D., Wickens, J.H., Wilkinson, G.R., Winter, M., Witek, M., Wolf, G., Yi, J., Yushchenko, O., Zalewska, A., Zalewski, P., Zavrtanik, D., Zevgolatakos, E., Zimin, N.I., Zintchenko, A., Zoller, P., Zucchelli, G.C., Zumerle, G., 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 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), 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)-Université Grenoble Alpes (UGA), 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), Physique Corpusculaire et Cosmologie - Collège de France (PCC), 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 de Physique des Particules de Marseille (CPPM), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), 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), 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), 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), 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), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and 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)
Subjects: High Energy Physics::Phenomenology, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Particle Physics - Experiment
Abstract: Using the data sample of hadronic $Z^0$ decays collected by the DELPHI experiment in the 1992-1995 LEP1 period, the leptonic decay of the charged $B$ mesons (\btauex) has been studied. The analysis was done in both leptonic \taulm and hadronic \tauxmm decay channels. No excess was observed in data and the upper limit BR(\btauex) $ 1.1 \times 10^{-3}$ at the 90\åonfidence level was obtained. This result is consistent with Standard Model expectations and puts a constraint on the ratio $\tan \beta / M_{H^{\pm}} 0.45$~(GeV$/c^2)^{-1} $ in the framework of models with two Higgs doublets (any type II Higgs doublet model). From the missing energy distribution, the branching ratio of \btau was measured in the hadronic channel \tauxm. The result, BR(\btau)$ = (2.19 \pm 0.24 \ (stat) \pm 0.40\; (syst)) \$, is consistent with the Standard Model prediction and with previous experimental measurements.
Published: 1999
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24. Search for supersymmetry with R-parity violating $LL\overline{E}$ couplings at $\sqrt{s}$ = 183 GeV

Author: Abreu, P., Adam, W., Adye, T., Adzic, P., Azhinenko, I., Albrecht, Z., Alderweireld, T., Alekseev, G.D., Alemany, R., Allmendinger, T., Allport, P.P., Almehed, S., Amaldi, U., Amapane, N., Amato, S., Anassontzis, E.G., Andersson, P., Andreazza, A., Andringa, S., Antilogus, P., Apel, W.D., Arnoud, Y., Asman, B., Augustin, J.-E., Augustinus, A., Baillon, P., Bambade, P., Barao, F., Barbiellini, Guido, Barbier, R., Bardin, D.Yu., Barker, G., Baroncelli, A., Battaglia, M., Baubillier, M., Becks, K.H., Begalli, M., Behrmann, A., Beilliere, P., Belokopytov, Yu., Benekos, N.C., Benvenuti, A.C., Berat, C., Berggren, M., Bertini, D., Bertrand, D., Besancon, M., Bigi, M., Bilenkii, M.S., Bizouard, M.A., Bloch, D., Blom, H.M., Bonesini, M., Bonivento, W., Boonekamp, M., Booth, P.S.L., Borgland, A.W., Borisov, G., Bosio, C., Botner, O., Boudinov, E., Bouquet, B., Bourdarios, C., Bowcock, T.J.V., Boyko, I., Bozovic, I., Bozzo, M., Branchini, P., Brenke, T., Brenner, R.A., Bruckman, P., Brunet, J.M., Bugge, L., Buran, T., Burgsmueller, T., Buschbeck, B., Buschmann, P., Cabrera, S., Caccia, M., Calvi, M., Camporesi, T., Canale, V., Carena, F., Carroll, L., Caso, C., Castillo Gimenez, M.V., Cattai, A., Cavallo, F.R., Chabaud, V., Charpentier, P., Chaussard, L., Checchia, P., Chelkov, G.A., Chierici, R., Shlyapnikov, P., Chochula, P., Chorowicz, V., Chudoba, J., Cieslik, K., Collins, P., Contri, R., Cortina, E., Cosme, G., Cossutti, F., Cowell, J.H., Crawley, H.B., Crennell, D., Crepe, S., Crosetti, G., Cuevas Maestro, J., Czellar, S., Davenport, M., Da Silva, W., Deghorain, A., 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.D., 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., Ferrer-Ribas, E., Ferro, F., Fichet, S., Firestone, A., Flagmeyer, U., Foeth, H., Fokitis, E., Fontanelli, F., Franek, B., Frodesen, A.G., 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.N., Gele, D., Gerdyukov, L., Ghodbane, N., Gil, I., Glege, F., Gokieli, R., Golob, B., Gomez-Ceballos, G., Goncalves, P., Gonzalez Caballero, I., Gopal, G., Gorn, L., Gorski, M., Guz, Yu., Gracco, V., Grahl, J., Graziani, E., Green, C., Grimm, H.J., Gris, P., Grosdidier, G., Grzelak, K., Gunther, M., Guy, J., Hahn, F., Hahn, S., Haider, S., Hallgren, A., Hamacher, K., Hansen, J., Harris, F.J., Hedberg, V., Heising, S., Hernandez, J.J., Herquet, P., Herr, H., Hessing, T.L., Heuser, J.M., Higon, E., Holmgren, S.O., Holt, P.J., Hoorelbeke, S., Houlden, M., Hrubec, J., Huet, K., Hughes, G.J., Hultqvist, K., Jackson, J.N., Jacobsson, R., Jalocha, P., Janik, R., Jarlskog, C., Jarlskog, G., Jarry, P., Jean-Marie, B., Johansson, E.K., Jonsson, P., Joram, C., Juillot, P., Kapusta, F., Karafasoulis, K., Katsanevas, S., Katsoufis, E.C., Keranen, R., Kersevan, B.P., Khomenko, B.A., Khovansky, N.N., Kiiskinen, A., King, B., Kinvig, A., Kjaer, N.J., Klapp, O., Klein, H., Kluit, P., Kokkinias, P., Koratzinos, M., Kostyukhin, V., Kourkoumelis, C., Kuznetsov, O., Krammer, M., Kriznic, E., Krstic, P., Krumshtein, Z., Kubinec, P., Kurowska, J., Kurvinen, K., Lamsa, J.W., Lane, D.W., Langefeld, P., Lapin, V., Laugier, J.P., Lauhakangas, R., Leder, G., Ledroit, F., Lefebure, V., Leinonen, L., Leisos, A., Leitner, R., Lenzen, G., Lepeltier, V., Lesiak, T., Lethuillier, M., Libby, J., Liko, D., Lipniacka, A., Lippi, I., Loerstad, B., Loken, J.G., Lopes, J.H., Lopez, J.M., Lopez-Fernandez, R., Loukas, D., Lutz, P., Lyons, L., Mahon, J.R., Maio, A., Malek, A., Malmgren, T.G.M., Maltezos, S., 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., Masik, J., Mastroyiannopoulos, N., Matorras, F., Matteuzzi, C., Matthiae, G., Mazzucato, F., Mazzucato, M., McCubbin, M., McKay, R., McNulty, R., McPherson, G., Meroni, C., Meyer, W.T., Myagkov, A., Migliore, E., Mirabito, L., Mitaroff, W.A., Mjoernmark, U., Moa, T., Moch, M., Moller, R., Monig, K., Monge, M.R., Moreau, X., Morettini, P., Morton, G., Muller, U., Munich, K., Mulders, M., Mulet-Marquis, C., Muresan, R., Murray, W.J., Muryn, B., Myatt, G., Myklebust, T., Naraghi, F., Nassiakou, M., Navarria, F.L., Navas, S., Nawrocki, K., Negri, P., Nemecek, S., Neufeld, N., Neumeister, N., Nicolaidou, R., Nielsen, B.S., Nikolenko, M., Nomokonov, V., Normand, A., Nygren, A., Obraztsov, V., Olshevsky, A.G., Onofre, A., Orava, R., Orazi, G., Osterberg, K., Ouraou, A., Paganoni, M., Paiano, S., Pain, R., Paiva, R., Palacios, J., Palka, H., Papadopoulou, T.D., 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, H.T., Pierre, F., Pimenta, M., Piotto, E., Podobnik, T., Pol, M.E., Polok, G., Poropat, P., Pozdnyakov, V., Privitera, P., Pukhaeva, N., Pullia, A., Radojicic, D., Ragazzi, S., Rahmani, H., Ratoff, P.N., Read, A.L., Rebecchi, P., Redaelli, N.G., Regler, M., Reid, D., Reinhardt, R., Renton, P.B., Resvanis, L.K., Richard, F., Ridky, J., Rinaudo, G., Rohne, O., Romero, A., Ronchese, P., Rosenberg, E.I., 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., Schwering, B., Schwickerath, U., Schyns, M.A.E., Scuri, F., Seager, P., Sedykh, Yu., Segar, A.M., Sekulin, R., Shellard, R.C., Sheridan, A., Siebel, M., Simard, L., Simonetto, F., Sisakian, A.N., Smadja, G., Smirnov, N., Smirnova, O., Smith, G.R., Solovyanov, O., Sopczak, A., Sosnowski, R., Spassoff, T., Spiriti, E., Sponholz, P., Squarcia, S., Stanescu, C., Stanic, S., Stevenson, K., Stocchi, A., Strauss, J., Strub, R., Stugu, B., Szczekowski, M., Szeptycka, M., Tabarelli, T., Tegenfeldt, F., Terranova, F., Thomas, J., Timmermans, J., Tinti, N., Tkachev, L.G., Todorova, S., Tomaradze, A., Tome, B., Tonazzo, A., Tortora, L., Transtromer, G., Treille, D., Tristram, G., Trochimczuk, M., Troncon, C., Tsirou, A., Turluer, M.L., Tyapkin, I.A., Tzamarias, S., Ullaland, O., Uvarov, V., Valenti, G., Vallazza, E., Van Apeldoorn, G.W., Van Dam, P., Van Eldik, J., Van Lysebetten, A., Van Remortel, N., Van Vulpen, I., Vassilopoulos, N., Vegni, G., Ventura, L., Venus, W., Verbeure, F., Verlato, M., Vertogradov, L.S., Verzi, V., Vilanova, D., Vitale, L., Vlasov, E., Vodopyanov, A.S., Vollmer, C., Voulgaris, G., Vrba, V., Wahlen, H., Walck, C., Weiser, C., Wicke, D., Wickens, J.H., Wilkinson, G.R., Winter, M., Witek, M., Wolf, G., Yi, J., Yushchenko, O., Zalewska, A., Zalewski, P., Zavrtanik, D., Zevgolatakos, E., Zimin, N.I., Zucchelli, G.C., Zumerle, G., 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 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), 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), 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), 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), 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), 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), 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), 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: High Energy Physics::Phenomenology, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Particle Physics - Experiment
Abstract: Searches for pair production of supersymmetric particles in e$^{+}$e$^{-}$ collisions at centre-of-mass energy of 183~GeV have been performed on DELPHI data under the assumption that $R$-parity is not conserved. Only one $R$-parity violating coupling of $\lambda$ type, which couples the sleptons to the leptons ($LL \bar{E}$ term), is considered to be dominant at a time. Since in models with $R$-parity violation any supersymmetric particle can be the lightest one, searches for charginos, neutralinos, sleptons and squarks have been performed both for direct $R$-parity violating decays and for indirect cascade decays. Morever, it is assumed that the strength of the $R$-parity violating couplings is such that the lifetimes can be neglected. The present study of supersymmetric particle pair production is used to exclude domains of the Minimal Supersymmetric Standard Model parameter space previously explored under the assumption of $R$-parity conservation.
Published: 1999
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25. Measurement and Interpretation of Fermion-Pair Production at LEP energies from 130 to 172 GeV

Author: Abreu, P, Adam, W, Adye, T, Adzic, P, Albrecht, Z, Alderweireld, 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, Barbier, R, Bardin, DY, Barker, G, Baroncelli, A, Battaglia, M, Baubillier, M, Becks, KH, Begalli, M, Behrmann, A, 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, M, Calvi, M, Camporesi, T, Canale, V, Carena, F, Carroll, L, Caso, C, Gimenez, MVC, Cattai, A, Cavallo, FR, Chabaud, V, Chalanda, N, Charpentier, P, Chaussard, L, Checchia, P, Chelkov, GA, Chierici, R, Chliapnikov, P, 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, Maestro, JC, Czellar, S, 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, Fanourakis, G, Fassouliotis, D, Fayot, J, Feindt, M, Fenyuk, A, Ferrari, P, Ferrer, A, Ferrer-Ribas, E, Fichet, S, Firestone, A, 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, 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, Grosdidier, G, Grzelak, K, Gunther, M, Guy, J, Hahn, F, Hahn, S, Haider, S, Hallgren, A, Hamacher, K, Hansen, J, 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, 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, Kriznic, E, Krumstein, Z, Kubinec, P, 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, Lokajicek, M, 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, SMI, 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, WT, Migliore, E, Mirabito, L, Mitaroff, WA, Mjoernmark, U, Moa, T, Moch, M, 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, 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, Senko, V, Shellard, RC, Sheridan, A, Siebel, M, Simard, L, Simonetto, F, Sisakian, AN, Smadja, G, Smirnov, N, Smirnova, O, Smith, GR, Solovianov, O, Sopczak, A, Sosnowski, R, Spassov, T, Spiriti, E, Sponholz, P, Squarcia, S, Stampfer, D, Stanescu, C, Stanic, S, Stevenson, K, Stocchi, A, Strauss, J, Strub, R, Stugu, B, Szczekowski, M, Szeptycka, M, Tabarelli, T, Tchikilev, O, Tegenfeldt, F, Terranova, F, Thomas, J, Timmermans, J, Tinti, N, Tkatchev, LG, Todorova, S, Tomaradze, A, 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, Vishnevsky, N, 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, Zalewska, A, Zalewski, P, Zavrtanik, D, Zevgolatakos, E, Zimin, NI, Zucchelli, GC, Zumerle, G, Collaboration, DELPHI, 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 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), 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), 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 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 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), 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), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), and 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)
Subjects: GAUGE BOSONS, E+E ANNIHILATION, Physics and Astronomy (miscellaneous), LUND MONTE-CARLO, STANDARD MODEL, High Energy Physics::Phenomenology, DELPHI DETECTOR, OF-MASS ENERGIES, BHABHA SCATTERING, RADIATIVE-CORRECTIONS, JET FRAGMENTATION, CROSS-SECTIONS, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Engineering (miscellaneous), Particle Physics - Experiment
Abstract: The data collected with the DELPHI detector at centre-of-mass energies between 130 and 172~$\GeV$, during LEP operation in 1995 and 1996, have been used to determine the hadronic and leptonic cross-sections and leptonic forward--backward asymmetries. In addition the cross-section ratios and forward--backward asymmetries for flavour-tagged samples of light (uds), c and b quarks have been measured. The results are interpreted by performing S-matrix fits to these data and to the data collected previously at the energies near the $\Zzero$ resonance peak (88-93~$\GeV$). The results are also interpreted in terms of contact interactions, which parameterise physics beyond the Standard Model. Further interpretation of the data is made in terms of possible R-parity violating SUSY particles and of possible Z$^{'}$ bosons. No significant deviations from the Standard Model expectations are found and limits are given for the various interpretations which are made of physics beyond the Standard Model.
Published: 1999
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26. A new measurement of direct CP violation in two pion decays of the neutral kaon

Author: Fanti, V, Lai, A, Marras, D, Musa, L, Bevan, AJ, Gershon, TJ, Hay, B, Moore, RW, Moore, KN, Munday, DJ, Needham, MD, Parker, MA, Takach, SF, White, TO, Wotton, SA, Barr, G, Blumer, H, Bocquet, G, Bremer, J, Ceccucci, A, Cogan, J, Cundy, D, Doble, N, Funk, W, Gatignon, L, Gianoli, A, Gonidec, A, Govi, G, Grafstrom, P, Kesseler, G, Kubischta, W, Lacourt, A, Luitz, S, Matheys, JP, Norton, A, Palestini, S, Panzer-Steindel, B, Peyaud, B, Schinzel, D, Taureg, H, Velasco, M, Vossnack, O, Wahl, H, Wirrer, G, Gaponenko, A, Kekelidze, V, Madigojine, D, Mestvirishvili, A, Potrebenikov, Y, Tatishvili, G, Tkatchev, A, Zinchenko, A, Bertolotto, L, Boyle, O, Knowles, IG, Martin, VJ, Parsons, HLC, Peach, KJ, Talamonti, C, Contalbrigo, M, Dalpiaz, P, Duclos, J, Formica, A, Frabetti, PL, Martini, M, Petrucci, F, Savrie, M, Bizzeti, A, Calvetti, M, Collazuol, G, Graziani, G, Iacopini, E, Lenti, M, Michetti, A, Becker, HG, Buchholz, P, Coward, D, Ebersberger, C, Fox, H, Kalter, A, Kleinknecht, K, Koch, U, Kopke, L, Renk, B, Scheidt, J, Schmidt, J, Schonharting, V, Schue, Y, Wilhelm, R, Wittgen, M, Chollet, JC, Crepe, S, Fayard, L, Iconomidou-Fayard, L, Ocariz, J, Unal, G, Vattolo, D, Wingerter-Seez, I, Anzivino, G, Bordacchini, F, Cenci, P, Lubrano, P, Nappi, A, Pepe, M, Punturo, M, Bertanza, L, Bigi, A, Calafiura, P, Carosi, R, Casali, R, Cerri, C, Cirilli, M, Costantini, F, Fantechi, R, Giudici, S, Gorini, B, Manelli, I, Marzulli, V, Pierazzini, G, Raffaelli, F, Sozzi, M, Cheze, JB, De Beer, M, Debu, P, de Cassagnac, RG, Hristov, P, Mazzucato, E, Schanne, S, Turlay, R, Vallage, B, Augustin, I, Bender, M, Holder, M, Ziolkowski, M, Arcidiacono, R, Biino, C, Cester, R, Marchetto, F, Menichetti, E, Pastrone, N, Nassalski, J, Rondio, E, Szleper, M, Wislicki, W, Wronka, S, Dibon, H, Fischer, G, Jeitler, M, Markytan, M, Mikulec, I, Neuhofer, G, Pernicka, M, Taurok, A, and Collaboration, N
Subjects: mesoni K, violazione diretta di CP, simmetria CP, Nuclear and High Energy Physics, Particle physics, Direct CP Violation, Neutral Kaon System, FOS: Physical sciences, Astrophysics::Cosmology and Extragalactic Astrophysics, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), Pion, NA48 EXPERIMENT, CERN, EPSILON'/EPSILON, CRYSTAL, neutral kaons, Astrophysics::Galaxy Astrophysics, Physics, Large Hadron Collider, CP violation, NA48 experiment, High Energy Physics::Experiment, Particle Physics - Experiment
Abstract: The NA48 experiment at CERN has performed a new measurement of direct CP violation, based on data taken in 1997 by simultaneously collecting K_L and K_S decays into pi0pi0 and pi+pi-. The result for the CP violating parameter Re(epsilon'/epsilon) is (18.5 +/- 4.5(stat)} +/- 5.8 (syst))x10^{-4}., Comment: 18 pages, 6 figures
Published: 1999

27. Search for chargino pair production in scenarios with gravitino LSP and stau NLSP at $\sqrt{s} \sim$ 183 GeV at LEP

Author: Abreu, P., Adam, W., Adye, T., Adzic, P., Albrecht, Z., Alderweireld, T., Alekseev, G.D., Alemany, R., Allmendinger, T., Allport, P.P., Almehed, S., Amaldi, U., Amapane, N., Amato, S., Anassontzis, E.G., Andersson, P., Andreazza, A., Andringa, S., Antilogus, P., Apel, W.D., Arnoud, Y., Asman, B., Augustin, J.-E., Augustinus, A., Baillon, P., Bambade, P., Barao, F., Barbiellini, Guido, Barbier, R., Bardin, D.Yu., Barker, G., Baroncelli, A., Battaglia, M., Baubillier, M., Becks, K.H., Begalli, M., Behrmann, A., Beilliere, P., Belokopytov, Yu., Belous, K., Benekos, N.C., Benvenuti, A.C., Berat, C., Berggren, M., Bertini, D., Bertrand, D., Besancon, M., Bigi, M., Bilenkii, M.S., Bizouard, M.A., Bloch, D., Blom, H.M., Bonesini, M., Bonivento, W., Boonekamp, M., Booth, P.S.L., Borgland, A.W., Borisov, G., Bosio, C., Botner, O., Boudinov, E., Bouquet, B., Bourdarios, C., Bowcock, T.J.V., Boyko, I., Bozovic, I., Bozzo, M., Bracko, M., Branchini, P., Brenner, R.A., Bruckman, P., Brunet, J.M., Bugge, L., Buran, T., Buschbeck, B., Buschmann, P., Cabrera, S., Caccia, M., Calvi, M., Camporesi, T., Canale, V., Carena, F., Carroll, L., Caso, C., Castillo Gimenez, M.V., Cattai, A., Cavallo, F.R., Chabaud, V., Chapkin, M., Charpentier, P., Chaussard, L., Checchia, P., Chelkov, G.A., Chierici, R., Shlyapnikov, P., Chochula, P., Chorowicz, V., Chudoba, J., Cieslik, K., Collins, P., Contri, R., Cortina, E., Cosme, G., Cossutti, F., Crawley, H.B., Crennell, D., Crepe, S., Crosetti, G., Cuevas Maestro, J., Czellar, S., Davenport, M., Da Silva, W., Deghorain, A., Della Ricca, G., Delpierre, P.A., 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.D., Eigen, G., Ekeloef, T., Ekspong, G., Ellert, M., Elsing, M., Engel, J.P., Espirito Santo, M., Fanourakis, G., Fassouliotis, D., Fayot, J., Feindt, M., Ferrari, P., Ferrer, A., Ferrer-Ribas, E., Ferro, F., Fichet, S., Firestone, A., Flagmeyer, U., Foeth, H., Fokitis, E., Fontanelli, F., Franek, B., Frodesen, A.G., 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.N., Gele, D., Ghodbane, N., Gil, I., Glege, F., Gokieli, R., Golob, B., Gomez-Ceballos, G., Goncalves, P., Gonzalez Caballero, I., Gopal, G., Gorn, L., Guz, Yu., 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.J., Hedberg, V., Heising, S., Hernandez, J.J., Herquet, P., Herr, H., Hessing, T.L., Heuser, J.M., Higon, E., Holmgren, S.O., Holt, P.J., Hoorelbeke, S., Houlden, M., Hrubec, J., Huber, M., Huet, K., Hughes, G.J., Hultqvist, K., Jackson, J.N., Jacobsson, R., Jalocha, P., Janik, R., Jarlskog, C., Jarlskog, G., Jarry, P., Jean-Marie, B., Jeans, D., Johansson, E.K., Jonsson, P., Joram, C., Juillot, P., Jungermann, L., Kapusta, F., Karafasoulis, K., Katsanevas, S., Katsoufis, E.C., Keranen, R., Kernel, G., Kersevan, B.P., Khomenko, B.A., Khovanskii, N.N., Kiiskinen, A., King, B., Kinvig, A., Kjaer, N.J., Klapp, O., Klein, H., Kluit, P., Kokkinias, P., Koratzinos, M., Kostyukhin, V., Kourkoumelis, C., Kuznetsov, O., Krammer, M., Kriznic, E., Krumshtein, Z., Kubinec, P., Kurowska, J., Kurvinen, K., Lamsa, J.W., Lane, D.W., Lapin, V., Laugier, J.P., 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.G., Lopes, J.H., Lopez, J.M., Lopez-Fernandez, R., Loukas, D., Lutz, P., Lyons, L., MacNaughton, J., Mahon, J.R., Maio, A., Malek, A., Malmgren, T.G.M., Maltezos, S., 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., Masik, J., Mastroyiannopo Ulos, N., Matorras, F., Matteuzzi, C., Matthiae, G., Mazzucato, F., Mazzucato, M., McCubbin, M., McKay, R., McNulty, R., McPherson, G., Meroni, C., Meyer, W.T., Migliore, E., Mirabito, L., Mitaroff, W.A., Mjornmark, U., Moa, T., Moch, M., Moller, R., Monig, K., Monge, M.R., Moreau, X., Morettini, P., Morton, G., Mueller, U., Muenich, K., Mulders, M., Mulet-Marquis, C., Muresan, R., Murray, W.J., Muryn, B., Myatt, G., Myklebust, T., Naraghi, F., Nassiakou, M., Navarria, F.L., Navas, S., Nawrocki, K., Negri, P., Neufeld, N., Nicolaidou, R., Nielsen, B.S., Niezurawski, P., Nikolenko, M., Nomokonov, V., Nygren, A., Obraztsov, V.F., Olshevskii, A.G., Onofre, A., Orava, R., Orazi, G., Osterberg, K., Ouraou, A., Paganoni, M., Paiano, S., Pain, R., Paiva, R., Palacios, J., Palka, H., Papadopoulou, T.D., 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.T., Pierre, F., Pimenta, M., Piotto, E., Podobnik, T., Pol, M.E., Polok, G., Poropat, P., Pozdnyakov, V., Privitera, P., Pukhaeva, N., Pullia, A., Radojicic, D., Ragazzi, S., Rahmani, H., Rames, J., Ratoff, P.N., Read, A.L., Rebecchi, P., Redaelli, N.G., Regler, M., Rehn, J., Reid, D., Reinhardt, R., Renton, P.B., Resvanis, L.K., Richard, F., Ridky, J., Rinaudo, G., Rohne, O., Romero, A., Ronchese, P., Rosenberg, E.I., Rosinsky, P., Roudeau, P., Rovelli, T., Royon, C., Ruhlmann-Kleider, V., Ruiz, A., Saarikko, H., Sacquin, Y., Sadovskii, A., Sajot, G., Salt, J., Sampsonidis, D., Sannino, M., Schwemling, P., Schwering, B., Schwickerath, U., Scuri, F., Seager, P., Sedykh, Yu., Segar, A.M., Seibert, N., Sekulin, R., Shellard, R.C., Siebel, M., Simard, L., Simonetto, F., Sissakian, A.N., Smadja, G., Smirnova, O., Smith, G.R., Sokolov, A., Solovyanov, O., Sopczak, A., Sosnowski, R., Spassoff, Tz., 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.G., Tobin, M., Todorova, S., Tomaradze, A.G., Tome, B., Tonazzo, A., Tortora, L., Tortosa, Pablo, Transtromer, G., Treille, D., Tristram, G., Trochimczuk, M., Troncon, C., Tsirou, A., Turluer, M.L., Tyapkin, I.A., Tzamarias, S., Ullaland, O., Uvarov, V., Valenti, G., Vallazza, E., Vander Velde, C., Van Dam, P., Van Den Boeck, W., Van Doninck, W.K., Van Eldik, J., Van Lysebetten, A., Van Remortel, N., Van Vulpen, I., Vegni, G., Ventura, L., Venus, W., Verbeure, F., Verlato, M., Vertogradov, L.S., Verzi, V., Vilanova, D., Vitale, L., Vlasov, E., Vodopyanov, A., Voulgaris, G., Vrba, V., Wahlen, H., Walck, C., Washbrook, A.J., Weiser, C., Wicke, D., Wickens, J.H., Wilkinson, G.R., Winter, M., Witek, M., Wolf, G., Yi, J., Yushchenko, O., Zaitsev, A., Zalewska, A., Zalewski, P., Zavrtanik, D., Zevgolatakos, E., Zimin, N.I., Zintchenko, A., Zucchelli, G.C., Zumerle, G., 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 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), 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)-Université Grenoble Alpes (UGA), 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), Physique Corpusculaire et Cosmologie - Collège de France (PCC), 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 de Physique des Particules de Marseille (CPPM), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), 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), 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), 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), 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), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and 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)
Subjects: High Energy Physics::Phenomenology, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Particle Physics - Experiment
Abstract: Promptly decaying lightest charginos were searched for in the context of scenarios with gravitino LSP. It was assumed that the stau is the next to lightest supersymmetric particle (NLSP). Data collected with the DELPHI detector at a centre-of-mass energy near 183~{~mbox{${mathrm{GeV}}$}}\nwere analysed combining the methods developed in previous searches. No evidence for the production of these particles was found. Hence, limits were derived at 95% confidence level. The mass of charginos was found to be greater than 85.5~GeV/$c^2$ for $m_{ ilde{chi}^+_1}-m_{ ilde{ au}_1}geq 0.3 {mathrm{GeV}}/c^2$, independently of the mass of the gravitino.
Published: 1999
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28. Search for the Higgs boson in events with isolated photons at LEP 2

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., 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., Bertini, D., Bertrand, D., Besancon, M., Bigi, M., Bilenky, M., Bizouard, M., Bloch, D., Blom, H., Bonesini, M., Bonivento, W., Boonekamp, M., Booth, P., Borglund, A., Borisov, G., Bosio, C., Botner, O., Boudinov, E., Bouquet, B., Bourdarios, C., Bowcock, T., Boyko, I., Bozovic, I., Bozzo, Marco, Branchini, P., Brenke, T., Brenner, R., Bruckman, P., Brunet, J., Bugge, L., Buran, T., Burgsmueller, 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., 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., Cowell, J., Crawley, H., Crennell, D., Crepe, S., Crosetti, G., Maestro, J., Czellar, S., Davenport, M., Silva, W. D., Deghorain, A., Ricca, G. D., Delpierre, P., Demaria, N., Angelis, A. D., Boer, W. D., Clercq, C. D., Lotto, B. D., Min, A. D., Paula, L. D., Dijkstra, H., Ciaccio, L. D., 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., Erzen, B., Santo, M., Falk, E., Fanourakis, G., Fassouliotis, D., Fayot, J., Feindt, M., Ferrari, P., Ferrer, A., Ferrer Ribas, E., Ferro, F., Fichet, S., Firestone, A., Flagmeyer, U., Foeth, H., Fokitis, E., Fontanelli, Flavio, 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., Gerdyukov, L., Ghodbane, N., Gil, I., Glege, F., Gokieli, R., Golob, B., Gomez Ceballos, G., Goncalves, P., Caballero, I., Gopal, G., Gorn, L., Gorski, M., Gouz, Y., Gracco, V., Grahl, J., Graziani, E., Green, C., Grimm, H., Gris, P., Grosdidier, G., Grzelak, K., Gunther, M., 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., Huet, K., Hughes, G., Hultqvist, K., Jackson, J., Jacobsen, R., Jalocha, P., Janik, R., Jarlskog, C., Jarlskog, G., Jarry, P., Jean Marie, B., Johansson, E., Jonsson, P., Joram, C., Juillot, P., Kapusta, F., Karafasoulis, K., Katsanevas, S., Katsoufis, E., Keranen, R., Kersevan, B., Khomenko, B., Khovanski, N., Kiiskinen, A., King, B., Kinvig, A., Kjaer, N., Klapp, O., Klein, H., Kluit, P., Kokkinias, P., Koratzinos, M., Kostioukhine, V., Kourkoumelis, C., Kouznetsov, O., Krammer, M., Kriznic, E., Krstic, J., Krumstein, Z., Kubinec, P., Kurowska, J., Kurvinen, K., Lamsa, J., Lane, D., Langefeld, P., 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., 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., Cubbin, M. M., Kay, R. M., Nulty, R. M., Pherson, G. M., Meroni, C., Meyer, W., Miagkov, A., Migliore, E., Mirabito, L., Mitaroff, W., Mjoernmark, U., Moa, T., Moch, M., Moeller, R., Moenig, F., Monge, MARIA ROBERTA, 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., Nemecek, S., Neufeld, N., Nicolaidou, R., Nielsen, B., Nikolenko, M., Nomokonov, V., Normand, A., Nygren, A., Obraztsov, M., Olshevski, A., Onofre, P., 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, Fabrizio, Parzefall, U., Passeri, A., Passon, O., Pegoraro, M., Peralta, L., Pernicka, M., Perrotta, A., Petridou, C., Petrolini, Alessandro, Phillips, H., Pierre, F., Pimenta, M., Piotto, E., Podobnik, T., Pol, M., Polok, G., Poropat, P., Pozdniakov, V., Privitera, P., Pukhaeva, N., Pullia, N., Radojicic, D., Ragazzi, S., Rahmani, H., Ratoff, P., Read, A., Rebecchi, P., Redaelli, N., Regler, M., Reid, D., Reinhardt, R., Renton, P., Resvanis, L., Richard, F., Ridky, J., Rinaudo, G., 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., Schneider, H., Schwemling, P., Schwering, B., Schwickerath, U., Schyns, M., Scuri, F., Seager, P., Sedykh, Y., Segar, A., Sekulin, R., Shellard, R., Sheridan, A., Siebel, M., Simard, L., Simonetto, F., Sisakian, A., Smadja, G., Smirnova, O., Smith, G., Solovianov, O., Sopczak, A., Sosnowski, R., Spassov, T., Spiriti, E., Sponholz, P., Squarcia, Sandro, Stanescu, C., Stanic, S., Stevenson, K., Stocchi, A., Strauss, J., Strub, R., Stugu, B., Szczekowski, M., Szeptycka, M., Tabarelli, T., Tchikilev, O., Tegenfeldt, F., Terranova, F., Thomas, J., Timmermans, J., Tinti, N., Tkatchev, L., Todorova, S., Tomaradze, A., Tome, B., Tonazzo, A., Tortora, L., Transtromer, G., Treille, D., Tristram, G., Trochimczuk, M., Troncon, C., Tsirou, A., Turluer, M., Tyapkin, I., Tzamarias, S., Ullaland, O., Uvarov, V., Valenti, G., Vallazza, E., Apeldoorn, G. V., Dam, P. V., Doninck, W. V., Eldik, J. V., Lysebetten, A. V., Remortel, N. V., Vulpen, I. V., Vassilopoulos, N., Vegni, G., Ventura, L., Venus, W., Verbeure, F., Verlato, M., Vertogradov, L., Verzi, V., Vilanova, D., Vitale, L., Vlasov, E., Vodopyanov, A., Vollmer, C., Voulgaris, G., Vrba, V., Wahlen, H., Walck, C., 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., Zucchelli, G., Zumerle, G., Collaboration, D., BARBIELLINI AMIDEI, Guido, Cossutti, F., DELLA RICCA, Giuseppe, Poropat, Paolo, Vitale, Lorenzo, UCL - SST/IRMP - Institut de recherche en mathématique et physique, Delphi, Collaboration, Abreu, P., Adam, W., Canale, Vincenzo, DELPHI Collaboration, and Delphi (IHEF, IoP, FNWI)
Subjects: Nuclear and High Energy Physics, Particle physics, Electron–positron annihilation, Astrophysics::High Energy Astrophysical Phenomena, EXCITED CHARGED LEPTONS, E(+)E(-) COLLISIONS, RADIATIVE-CORRECTIONS, BHABHA SCATTERING, DELPHI DETECTOR, CROSS-SECTION, ANNIHILATION, ROOT-S=161, COLLIDERS, PARTICLES, 01 natural sciences, Standard Model, Nuclear physics, 0103 physical sciences, 010306 general physics, Boson, Bhabha scattering, DELPHI, Physics, Annihilation, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, LARGE ELECTRON POSITRON COLLIDER, Search for the Higgs boson, PARTICLE PHYSICS, Large Electron–Positron Collider, Higgs boson, High Energy Physics::Experiment, Particle Physics - Experiment
Abstract: A search for the Higgs boson in final states with one, two or three isolated photons has been performed based on data taken at LEP 2 by the DELPHI detector. The data analysed correspond to a total integrated luminosity of 67.5 pb$^{-1}$ at centre-of-mass energies of 161 GeV (9.7 pb$^{-1}$), 172 GeV (10.1 pb$^{-1}$) and 183 GeV (47.7 pb$^{-1}$). No evidence for the processes ${\rm e^+ e^- \rightarrow H \gamma}$ with ${\rm H\rightarrow b\bar{b}}$ or $\gamma\gamma$ and ${\rm e^+ e^- \rightarrow Hq\bar{q}}$ with ${\rm H \rightarrow \gamma \gamma}$ was observed. Model-independent limits on ${\rm \sigma (e^+e^-\rightarrow H\gamma)\times BR(H\rightarrow b\bar{b})}$, ${\rm \sigma (e^+e^-\rightarrow Hq\bar{q})\times BR(H\rightarrow \gamma\gamma)}$ and ${\rm \sigma (e^+e^-\rightarrow H\gamma)\times BR(H\rightarrow \gamma\gamma)}$ are set, as well as model-dependent limits on Higgs boson anomalous couplings to vector bosons.
Published: 1999

29. Measurement of the mass of the W boson using direct reconstruction at √s = 183 GeV

Author: Abreu, P., 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., Bonivento, W., 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, Marco, Branchini, P., Brenke, T., Brenner, R., Bruckman, P., Brunet, J., Bugge, L., Buran, T., Burgsmueller, 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., 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., Cowell, J., Crawley, H., Crennell, D., Crepe, S., Crosetti, G., Maestro, J., Czellar, S., Davenport, M., Silva, W. D., Deghorain, A., Ricca, G. D., Delpierre, P., Demaria, N., Angelis, A. D., Boer, W. D., Clercq, C. D., Lotto, B. D., Min, A. D., Paula, L. D., Dijkstra, H., Ciaccio, L. D., 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., Erzen, B., Santo, M., Fanourakis, G., Fassouliotis, D., Fayot, J., Feindt, M., Ferrari, P., Ferrer, A., Ferrer Ribas, E., Ferro, F., Fichet, S., Firestone, A., Flagmeyer, U., Foeth, H., Fokitis, E., Fontanelli, Flavio, 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., Caballero, I., Gopal, G., Gorn, L., Gouz, Y., Gracco, V., Grahl, J., Graziani, E., Green, C., Grimm, H., Gris, P., Grosdidier, G., Grzelak, K., Gunther, M., 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., Huet, K., Hughes, G., Hultqvist, K., Jackson, J., Jacobsson, R., Jalocha, P., Janik, R., Jarlskog, C., Jarlskog, G., Jarry, P., Jean Marie, B., Johansson, E., Jonsson, P., Joram, C., Juillot, P., Kapusta, F., Karafasoulis, K., Katsanevas, S., Katsoufis, E., Keranen, R., Kersevan, B., Khomenko, B., Khovanski, N., Kiiskinen, A., King, B., Kinvig, A., Kjaer, N., Klapp, O., Klein, H., Kluit, P., Kokkinias, P., Koratzinos, M., Kostioukhine, V., Kourkoumelis, C., Kouznetsov, O., Krammer, M., Kriznic, E., Krstic, J., Krumstein, Z., Kubinec, P., Kurowska, J., Kurvinen, K., Lamsa, J., Lane, D., Langefeld, P., 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., 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., Cubbin, M. M., Kay, R. M., Nulty, R. M., Pherson, G. M., Meroni, C., Meyer, W., Migliore, E., Mirabito, L., Mitaroff, W., Mjoernmark, U., Moa, T., Moch, M., Moeller, R., Moenig, K., Monge, MARIA ROBERTA, 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., Nemecek, S., Neufeld, N., Nicolaidou, R., Nielsen, B., Niezurawski, P., Nikolenko, M., Nomokonov, V., Normand, A., Nygren, A., Obraztsov, V., Olshevski, A., Onofre, A., Orava, R., Orazi, G., Osterberg, K., Ouraou, A., Paganoni, R., Paiano, S., Pain, R., Paiva, R., Palacios, J., Palka, H., Papadopoulou, T., Papageorgiou, K., Pape, L., Parkes, C., Parodi, Fabrizio, Parzefall, U., Passeri, A., Passon, O., Pegoraro, R., Peralta, L., Pernicka, M., Perrotta, A., Pertridou, C., Petrolini, Alessandro, 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., Ratoff, P., Read, A., Rebecchi, P., Redaelli, N., Regler, M., Reid, D., Reinhardt, R., Renton, P., Resvanis, L., Richard, F., Ridky, J., Rinaudo, G., 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., Schneider, H., Schwemling, P., Schwering, B., Schwickerath, U., Schyns, M., Scuri, F., Seager, P., Sedykh, Y., Segar, A., Sekulin, R., Shellard, R., Sheridan, A., Siebel, M., Simard, L., Simonetto, F., Sisakian, A., Smadja, G., Smirnova, O., Smith, G., Sokolov, A., Solovianov, O., Sopczak, A., Sosnowski, R., Spassov, T., Spiriti, E., Sponholz, P., Squarcia, Sandro, Stanescu, C., Stanic, S., Stevenson, K., Stocchi, A., Strauss, J., Strub, R., Stugu, B., Szczekowski, M., Szeptycka, M., Tabarelli, T., Tegenfeldt, F., Terranova, F., Thomas, J., Timmermans, J., Tinti, N., Tkatchev, L., Todorova, S., Tomaradze, A., Tome, B., Tonazzo, A., Tortora, L., Transtromer, G., Treille, D., Tristram, G., Trochimczuk, M., Troncon, C., Tsirou, A., Turluer, M., Tyapkin, I., Tzamarias, S., Ullaland, O., Uvarov, V., Valenti, G., Vallazza, E., Velde, C. V., Apeldoorn, G. V., Dam, P. V., Doninck, W. V., Eldik, J. V., Lysebetten, A. V., Remortel, N. V., Vulpen, I. V., Vassilopoulos, N., Vegni, G., Ventura, L., Venus, W., Verbeure, F., Verlato, M., Vertogradov, L., Verzi, V., Vilanova, D., Vitale, L., Vlasov, E., Vodopyanov, A., Vollmer, C., Voulgaris, G., Vrba, V., Wahlen, H., Walck, C., Weiser, C., Wicke, D., Wickens, J., Wilkinson, G., Winter, M., Witek, M., Wolf, G., Yi, J., Yushchenko, O., Zaitsev, A., Zalewska, A., Zalewski, P., Zavrtanik, D., Zevgolatakos, E., Zimin, N., Zucchelli, G., Zumerle, G., Collaboration, D., 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 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), 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)-Université Grenoble Alpes (UGA), 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), Physique Corpusculaire et Cosmologie - Collège de France (PCC), 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 de Physique des Particules de Marseille (CPPM), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), DELPHI, BARBIELLINI AMIDEI, Guido, Cossutti, F., DELLA RICCA, Giuseppe, Poropat, Paolo, Vitale, Lorenzo, 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), 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), 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, Collaboration, Abreu, P., Adam, W., Canale, Vincenzo, 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), 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), 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), and Delphi (IHEF, IoP, FNWI)
Subjects: Nuclear and High Energy Physics, Particle physics, EINSTEIN CORRELATIONS, CLUSTERING-ALGORITHM, Electron–positron annihilation, MathematicsofComputing_GENERAL, COLOR DIPOLE MODEL, 01 natural sciences, Computer Science::Digital Libraries, Partícules (Física nuclear), Luminosity, Standard Model, PHYSICS, EVENTS, Nuclear physics, LEP2, 0103 physical sciences, MONTE-CARLO PROGRAM, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], ANNIHILATION, 010306 general physics, DELPHI, Physics, Annihilation, 010308 nuclear & particles physics, E(+)E(-) INTERACTIONS, TheoryofComputation_GENERAL, LARGE ELECTRON POSITRON COLLIDER, PAIR CROSS-SECTION, PARTICLE PHYSICS, Computer Science::Mathematical Software, Production (computer science), Física nuclear, Particle Physics - Experiment, Bar (unit)
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
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30. Measurement of the gluon fragmentation function and a comparison of the scaling violation in gluon and quark jets

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., Bonivento, W., 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, Marco, 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., 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., Maestro, J., Czellar, S., Davenport, M., Silva, W. D., Ricca, G. D., Delpierre, P., Demaria, N., Angelis, A. D., Boer, W. D., Clercq, C. D., Lotto, B. D., Min, A. D., Paula, L. D., Dijkstra, H., Ciaccio, L. D., 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., Ferrari, P., Ferrer, A., Ferrer Ribas, E., Ferro, F., Fichet, S., Firestone, A., Flagmeyer, U., Foeth, H., Fokitis, E., Fontanelli, Flavio, 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., Caballero, 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., 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., Langefeld, P., 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., Cubbin, M. M., Kay, R. M., Nulty, R. M., Pherson, G. M., Meroni, C., Meyer, W., Migliore, E., Mirabito, L., Mitaroff, W., Mjoernmark, U., Moa, T., Moch, M., Moeller, R., Moenig, K., Monge, MARIA ROBERTA, 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, Fabrizio, Parzefall, U., Passeri, A., Passon, O., Pavel, T., Pegoraro, M., Peralta, I., Pernicka, M., Perrotta, A., Petridou, C., Petrolini, Alessandro, 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., Sokolov, A., Solovianov, O., Sopczak, A., Sosnowski, R., Spassov, T., Spiriti, E., Squarcia, Sandro, Stanescu, C., Stanic, S., Stanitzki, M., Stevenson, K., Stocchi, A., Strauss, J., Strub, R., Stugu, B., Szczekowski, M., Szeptycka, M., Tabarelli, 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., Velde, C. V., Dam, P. V., Den, W. V., Doninck, W. V., Eldik, J. V., Lysebetten, A. V., Remortel, N. v., Vulpen, I. V., 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., Zaitsev, A., Zalewska, A., Zalewski, P., Zavrtanik, D., Zevgolatakos, E., Zimin, N., Zintchenko, A., Zoller, P., Zucchelli, G., Zumerle, G., Collaboration, D., 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 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), 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), 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), 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), 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, BARBIELLINI AMIDEI, Guido, Cossutti, F., DELLA RICCA, Giuseppe, Poropat, Paolo, Vitale, Lorenzo, 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), 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), and 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)
Subjects: E+E ANNIHILATION, Physics and Astronomy (miscellaneous), High Energy Physics::Lattice, Nuclear Theory, 01 natural sciences, EVENTS, DEPENDENCE, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], ALGORITHM, HADRONIZATION, 010306 general physics, Nuclear Experiment, Engineering (miscellaneous), DELPHI, INTERFERENCE, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, E(+)E(-) ANNIHILATION, LARGE ELECTRON POSITRON COLLIDER, MODEL, PARTICLE PHYSICS, ORDER QCD, High Energy Physics::Experiment, Particle Physics - Experiment
Abstract: The fragmentation functions of quarks and gluons are measured in various three-jet topologies in Z decays from the full data set collected with the DELPHI detector at the Z resonance between 1992 and 995. The results at different values of transverse momentum-like scales are compared. A parameterization of the quark and gluon fragmentation functions at a fixed reference scale is given. The quark and gluon fragmentation functions show the predicted pattern of scaling violations. The scaling violation for quark jets as a function of a transverse momentum-like scale is in a good agreement with that observed in lower energy e+e- annihilation experiments. For gluon jets it appears to be significantly stronger. The scale dependences of the gluon and quark fragmentation functions agree with the prediction of the DGLAP evolution equations from which the colour factor ratio CA/CF is measured to be: CA/CF = 2.26 ± 0.09stat. ± 0.06sys. ± 0.12clus.,scale..
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31. Search for supersymmetric particles in scenarios with a gravitino LSP and stau NLSP

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, Marco, 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., Silva, W. D., Ricca, G. D., Delpierre, P., Demaria, N., Angelis, A. D., Boer, W. D., Clercq, C. D., Lotto, B. D., Min, A. D., Paula, L. D., Dijkstra, H., Ciaccio, L. D., 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, Flavio, 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., 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, MARIA ROBERTA, 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, Fabrizio, Parzefall, U., Passeri, A., Passon, O., Pavel, T., Pegoraro, M., Peralta, L., Pernicka, M., Perrotta, A., Petridou, C., Petrolini, Alessandro, 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, Sandro, Stanescu, C., Stanic, S., Stanitzki, M., Stevenson, K., Stocchi, A., Strauss, J., Strub, R., Stugu, B., Szczekowski, M., Szeptycka, M., Tabarelli, 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., Dam, P. V., Den, W. V., Eldik, J. V., Lysebetten, A. V., Remortel, N. v., Vulpen, I. V., 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., Collaboration, D., 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 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), 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), 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), 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), 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, Collaboration, Abreu, P., Adam, W., Canale, Vincenzo, 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 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), 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 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), UCL - SST/IRMP - Institut de recherche en mathématique et physique, BARBIELLINI AMIDEI, Guido, Cossutti, F., DELLA RICCA, Giuseppe, Poropat, Paolo, Vitale, Lorenzo, and Delphi (IHEF, IoP, FNWI)
Subjects: NEUTRALINOS, Particle physics, Physics and Astronomy (miscellaneous), LOWEST ORDER CALCULATIONS, PAIR PRODUCTION, ENERGIES, MONTE-CARLO SIMULATION, pluridisciplinarity, FOS: Physical sciences, 2-PHOTON PROCESSES, Context (language use), 01 natural sciences, Lightest Supersymmetric Particle, Partícules (Física nuclear), High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), E(+)E(-) COLLISIONS, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], RADIATIVE-CORRECTIONS, ontology, 010306 general physics, Engineering (miscellaneous), DELPHI, Physics, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, reflexivity, LEP, science studies, epistemologie, LARGE ELECTRON POSITRON COLLIDER, history of science, PARTICLE PHYSICS, BREAKING, Particle, Gravitino, Física nuclear, High Energy Physics::Experiment, complexity, Particle Physics - Experiment
Abstract: Sleptons, neutralinos and charginos were searched for in the context of scenarios where the lightest supersymmetric particle is the gravitino. It was assumed that the stau is the next-to-lightest supersymmetric particle. Data collected with the DELPHI detector at a centre-of-mass energy near 189 GeV were analysed combining the methods developed in previous searches at lower energies. No evidence for the production of these supersymmetric particles was found. Hence, limits were derived at 95% confidence level., 31 pages, 14 figures
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32. Measurement of the lifetime of b-baryons

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., 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., Beilliere, P., Belokopytov, Y., Belous, K., Benvenuti, A., Berat, C., Berggren, M., Bertini, D., Bertrand, D., Besancon, M., Bianchi, F., Bigi, M., Bilenky, M., Bizouard, M., Bloch, D., Blom, H., Bonesini, M., Bonivento, W., 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, Marco, Branchini, P., Brenke, T., Brenner, R., Bruckman, P., Brunet, J., Bugge, L., Buran, T., Burgsmueller, T., 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., 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., Cowell, J., Crawley, H., Crennell, D., Crepe, S., Crosetti, G., Maestro, J., Czellar, S., Davenport, M., Silva, W. D., Deghorain, A., Ricca, G. D., Delpierre, P., Demaria, N., Angelis, A. D., Boer, W. D., Brabandere, S. D., Clercq, C. D., Lotto, B. D., Min, A. D., Paula, L. D., Dijkstra, H., Ciaccio, L. D., 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., Erzen, B., Santo, M., Falk, E., Fanourakis, G., Fassouliotis, D., Fayot, J., Feindt, M., Fenyuk, A., Ferrari, P., Ferrer, A., Ferrer Ribas, E., Fichet, S., Firestone, A., Flagmeyer, U., Foeth, H., Fokitis, E., Fontanelli, Flavio, Franek, B., Frodesen, A., Fruhwirth, R., Fulda Quenzer, F., Fuster, J., Galloni, A., Gamba, D., Gamblin, S., Gandelman, M., Garcia, C., Gasper, 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., Caballero, I., Gopal, G., Gorn, L., Gorski, M., Gouz, Y., Gracco, V., Grahl, J., Graziani, E., Green, C., Grimm, H., Gris, P., Grosdidier, G., Grzelak, K., Gunther, M., 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., Huet, K., Hughes, G., Hultqvist, K., Jackson, J., Jacobsson, R., Jalocha, P., Janik, R., Jarlskog, C., Jarlskog, G., Jarry, P., Jean Marie, B., Johansson, E., Jonsson, P., Joram, C., Juillot, P., Kapusta, F., Karafasoulis, K., Katsanevas, S., Katsoufis, E., Keranen, R., Kersevan, B., Khomenko, B., Khovanski, N., Kiiskinen, A., King, B., Kinvig, A., Kjaer, N., Klapp, O., Klein, H., Kluit, P., Kokkinias, P., Koratzinos, M., Kostioukhine, V., Kourkoumelis, C., Kouznetsov, O., Krammer, M., Kriznic, E., Krstic, J., Krumstein, Z., Kubinec, P., Kurowska, J., Kurvinen, K., Lamsa, J., Lane, D., Langefeld, P., 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., 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., Malychev, V., 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., Cubbin, M. M., Kay, R. M., Nulty, R. M., Pherson, G. M., Meroni, C., Meyer, W., Migliore, E., Mirabito, L., Mitaroff, W., Mjoernmark, U., Moa, T., Moch, M., Moeller, R., Moenig, K., Monge, MARIA ROBERTA, 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., Navarria, F., Navas, S., Nawrocki, K., Negri, P., Nemecek, S., Neufeld, N., Neumeister, N., Nicolaidou, R., Nielsen, B., Nikolenko, M., Nomokonov, V., Normand, A., 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, Fabrizio, Parzefall, U., Passeri, A., Passon, O., Pegoraro, M., Peralta, L., Pernicka, M., Perrotta, A., Petridou, C., Petrolini, Alessandro, 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., Rakoczy, D., Ratoff, P., Read, A., Rebecchi, P., Redaelli, N., Regler, M., Reid, D., Reinhardt, R., Renton, P., Resvanis, L., Richard, F., Ridky, J., Rinaudo, G., 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, Mario, Schneider, H., Schwemling, P., Schwickerath, U., Schyns, M., Scuri, F., Seager, P., Sedykh, Y., Segar, A., Sekulin, R., Shellard, R., Sheridan, A., Siebel, M., Simard, L., Simonetto, F., Sisakian, A., Smadja, G., Smirnov, N., Smirnova, O., Smith, G., Sopczak, A., Sosnowski, R., Spassov, T., Spiriti, E., Sponholz, P., Squarcia, Sandro, Stampfer, D., Stanescu, C., Stanic, S., Stevenson, K., Stocchi, A., Strauss, J., Strub, R., Stugu, B., Szczekowski, M., Szeptycka, M., Tabarelli, T., Tegenfeldt, F., Terranova, F., Thomas, J., Timmermans, J., Tinti, N., Tkatchev, L., Todorova, S., Tomaradze, A., Tome, B., Tonazzo, A., Tortora, L., Transtromer, G., Treille, D., Tristram, G., Trochimczuk, M., Troncon, C., Tsirou, A., Turluer, M., Tyapkin, I., Tzamarias, S., Ueberschaer, B., Ullaland, O., Uvarov, V., Valenti, G., Vallazza, E., Velde, C. V., Apeldoorn, G. V., Dam, P. V., Doninck, W. V., Eldik, J. V., Lysebetten, A. V., Vulpen, I. V., Vassilopoulos, N., Vegni, G., Ventura, L., Venus, W., Verbeure, F., Verlato, M., Vertogradov, L., Verzi, V., Vilanova, D., Vitale, L., Vlasov, E., Vodopyanov, A., Vollmer, C., Voulgaris, G., Vrba, V., Wahlen, H., Walck, C., Weiser, C., Wicke, D., Wickens, J., Wilkinson, G., Winter, M., Witek, M., Wolf, G., Yi, J., Yushchenko, O., Zaitsev, A., Zalewska, A., Zalewski, P., Zavrtanik, D., Zevgolatakos, E., Zimin, N., Zucchelli, G., Zumerle, G., Collaboration, D., 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 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), 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), 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 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 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), 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), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), and 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)
Subjects: Physics and Astronomy (miscellaneous), AVERAGE LIFETIME, DELPHI DETECTOR, HEAVY MESONS, Z-DECAYS, LAMBDA(B)(0), LEP, High Energy Physics::Phenomenology, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Nuclear Experiment, Engineering (miscellaneous), Particle Physics - Experiment
Abstract: The average lifetime of weakly decaying $b$-baryons was studied using 3.6 million $Z^0$ hadronic decays collected by the DELPHI detector at LEP. The measurement of the proper decay time distribution of secondary vertices was used on three complementary samples. The first sample consisted of events with a fully reconstructed $\Lambda_c^+$ and an opposite charge lepton, or an oppositely charged lepton pair accompanied by a $\Lambda^0$. The other two samples were more inclusive, where $b$-baryon semileptonic decays were recognized by the presence of either a proton identified by the RICH detector or a $\Lambda^0$ and a lepton of charge opposite to that of the proton. The combined result was: \begin{eqnarray*} \tau(b\mathrm{-baryon}) = 1.14\pm0.08 \; (stat)\pm0.04 \; (syst) \; \mathrm{ps} \; . \end{eqnarray*} It updates and replaces all previous results published by the DELPHI collaboration.
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33. Measurements of the leptonic branching fractions of the tau

Author: Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Albrecht, Z., Alderweireld, T., Alekseev, G. D., Alemany, R., Allmendinger, T., Allport, P. P., Almehed, S., Amaldi, U., Amapane, N., Amato, S., Anassontzis, E. G., Andersson, P., Andreazza, A., Andringa, S., 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, D. Y., Barker, G., Baroncelli, A., Battaglia, M., Baubillier, M., Becks, K. -H, Begalli, M., Behrmann, A., Beilliere, P., Belokopytov, Yu, Benekos, N. C., Benvenuti, A. C., Berat, C., Berggren, M., Bertini, D., Bertrand, D., Besancon, M., Bianchi, F., Bigi, M., Bilenky, M. S., Bizouard, M. -A, Bloch, D., Blom, H. M., Bonesini, M., Bonivento, W., Boonekamp, M., Booth, P. S. L., Borgland, A. W., Borisov, G., Bosio, C., Botner, O., Boudinov, E., Bouquet, B., Bourdarios, C., Bowcock, T. J. V., Boyko, I., Bozovic, I., Bozzo, M., Branchini, P., Brenke, T., Brenner, R. A., Bruckman, P., Brunet, J. -M, Bugge, L., Buran, T., Burgsmueller, T., Buschbeck, B., Buschmann, P., Cabrera, S., Caccia, M., Calvi, M., Camporesi, T., Canale, V., Carena, F., Carroll, L., Caso, C., Castillo Gimenez, M. V., Cattai, A., Cavallo, F. R., Chabaud, V., Charpentier, Ph, Chaussard, L., Checchia, P., Chelkov, G. A., Chierici, R., Chliapnikov, P., Chochula, P., Chorowicz, V., Chudoba, J., Cieslik, K., Collins, P., Contri, R., Cortina, E., Cosme, G., Cossutti, F., Cowell, J. -H, Crawley, H. B., Crennell, D., Crepe, S., Crosetti, G., Cuevas Maestro, J., Czellar, S., Davenport, M., Da Silva, W., Deghorain, A., Della Ricca, G., Delpierre, P., Demaria, N., Angelis, A., Boer, W., Clercq, C., Lotto, B., Min, A., Paula, L., Dijkstra, H., Di Ciaccio, L., Dolbeau, J., Doroba, K., Dracos, M., Drees, J., Dris, M., Duperrin, A., Durand, J. -D, 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., Ferrer-Ribas, E., Ferro, F., Fichet, S., Firestone, A., Flagmeyer, U., Foeth, H., Fokitis, E., Fontanelli, F., Franek, B., Frodesen, A. G., Fruhwirth, R., Fulda-Quenzer, F., Fuster, J., Galloni, A., Gamba, D., Gamblin, S., Gandelman, M., Garcia, C., Gaspar, C., Gaspar, M., Gasparini, U., Gavillet, Ph, Gazis, E. N., Gele, D., Gerdyukov, L., Ghodbane, N., Gil, I., Glege, F., Gokieli, R., Golob, B., Gomez-Ceballos, G., Goncalves, P., Gonzalez Caballero, I., Gopal, G., Gorn, L., Gorski, M., Gouz, Yu, Gracco, V., Grahl, J., Graziani, E., Green, C., Grimm, H. -J, Gris, P., Grosdidier, G., Grzelak, K., Gunther, M., Guy, J., Hahn, F., Hahn, S., Haider, S., Hallgren, A., Hamacher, K., Hansen, J., Harris, F. J., Hedberg, V., Heising, S., Hernandez, J. J., Herquet, P., Herr, H., Hessing, T. L., Heuser, J. -M, Higon, E., Holmgren, S. -O, Holt, P. J., Hoorelbeke, S., Houlden, M., Hrubec, J., Huet, K., Hughes, G. J., Hultqvist, K., Jackson, J. N., Jacobsson, R., Jalocha, P., Janik, R., Jarlskog, Ch, Jarlskog, G., Jarry, P., Jean-Marie, B., Johansen, K. M. E., Johansson, E. K., Jonsson, P., Joram, C., Juillot, P., Kapusta, F., Karafasoulis, K., Katsanevas, S., Katsoufis, E. C., Keranen, R., Kersevan, B. P., Khomenko, B. A., Khovanski, N. N., Kiiskinen, A., King, B., Kinvig, A., Kjaer, N. J., Klapp, O., Klein, H., Kluit, P., Kokkinias, P., Koratzinos, M., Kostioukhine, V., Kourkoumelis, C., Kouznetsov, O., Krammer, M., Kriznic, E., Krstic, J., Krumstein, Z., Kubinec, P., Kurowska, J., Kurvinen, K., Lamsa, J. W., Lane, D. W., Langefeld, P., Lapin, V., Laugier, J. -P, Lauhakangas, R., Leder, G., Ledroit, F., Lefebure, V., Leinonen, L., Leisos, A., Leitner, R., Lenzen, G., Lepeltier, V., Lesiak, T., Lethuillier, M., Libby, J., Liko, D., Lipniacka, A., Lippi, I., Loerstad, B., Loken, J. G., Lopes, J. H., Lopez, J. M., Lopez-Fernandez, R., Loukas, D., Lutz, P., Lyons, L., Macnaughton, J., Mahon, J. R., Maio, A., Malek, A., Malmgren, T. G. M., Maltezos, S., 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., 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. T., Miagkov, A., Migliore, E., Mirabito, L., Mitaroff, W. A., Mjoernmark, U., Moa, T., Moch, M., Moeller, R., Moenig, K., Monge, M. R., Moreau, X., Morettini, P., Morton, G., Mueller, U., Muenich, K., Mulders, M., Mulet-Marquis, C., Muresan, R., Murray, W. J., Muryn, B., Myatt, G., Myklebust, T., Naraghi, F., Nassiakou, M., Navarria, F. L., Navas, S., Nawrocki, K., Negri, P., Nemecek, S., Neufeld, N., Neumeister, N., Nicolaidou, R., Nielsen, B. S., Nikolenko, M., Nomokonov, V., Normand, A., Nygren, A., Obraztsov, V., Olshevski, A. G., Onofre, A., Orava, R., Orazi, G., Osterberg, K., Ouraou, A., Paganoni, M., Paiano, S., Pain, R., Paiva, R., Palacios, J., Palka, H., Papadopoulou, T. D., 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, H. T., Pierre, F., Pimenta, M., Piotto, E., Podobnik, T., Pol, M. E., Polok, G., Poropat, P., Pozdniakov, V., Privitera, P., Pukhaeva, N., Pullia, A., Radojicic, D., Ragazzi, S., Rahmani, H., Ratoff, P. N., Read, A. L., Rebecchi, P., Redaelli, N. G., Regler, M., Reid, D., Reinhardt, R., Renton, P. B., Resvanis, L. K., Richard, F., Ridky, J., Rinaudo, G., Rohne, O., Romero, A., Ronchese, P., Rosenberg, E. I., Rosinsky, P., Roudeau, P., Rovelli, T., Royon, Ch, Ruhlmann-Kleider, V., Ruiz, A., Saarikko, H., Sacquin, Y., Sadovsky, A., Sajot, G., Salt, J., Sampsonidis, D., Sannino, M., Schneider, H., Schwemling, Ph, Schwering, B., Schwickerath, U., Schyns, M. A. E., Scuri, F., Seager, P., Sedykh, Y., Segar, A. M., Sekulin, R., Shellard, R. C., Sheridan, A., Siebel, M., Simard, L., Simonetto, F., Sisakian, A. N., Smadja, G., Smirnova, O., Smith, G. R., Sokolov, A., Solovianov, O., Sopczak, A., Sosnowski, R., Spassov, T., Spiriti, E., Sponholz, P., Squarcia, S., Stanescu, C., Stanic, S., Stevenson, K., Stocchi, A., Strauss, J., Strub, R., Stugu, B., Szczekowski, M., Szeptycka, M., Tabarelli, T., Tegenfeldt, F., Terranova, F., Thomas, J., Timmermans, J., Tinti, N., Tkatchev, L. G., Todorova, S., Tomaradze, A., Tome, B., Tonazzo, A., Tortora, L., Transtromer, G., Treille, D., Tristram, G., Trochimczuk, M., Troncon, C., Tsirou, A., Turluer, M. -L, Tyapkin, I. A., Tzamarias, S., Ullaland, O., Uvarov, V., Valenti, G., Vallazza, E., Apeldoorn, G. W., Dam, P., Doninck, W. K., Eldik, J., Lysebetten, A., Vulpen, I., Vassilopoulos, N., Vegni, G., Ventura, L., Venus, W., Verbeure, F., Verlato, M., Vertogradov, L. S., Verzi, V., Vilanova, D., Lorenzo Vitale, Vlasov, E., Vodopyanov, A. S., Vollmer, C., Voulgaris, G., Vrba, V., Wahlen, H., Walck, C., Weiser, C., Wicke, D., Wickens, J. H., Wilkinson, G. R., Winter, M., Witek, M., Wolf, G., Yi, J., Yushchenko, O., Zalewska, A., Zalewski, P., Zavrtanik, D., Zevgolatakos, E., Zimin, N. I., Zucchelli, G. C., Zumerle, G., 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 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), 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)-Université Grenoble Alpes (UGA), 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), Physique Corpusculaire et Cosmologie - Collège de France (PCC), 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 de Physique des Particules de Marseille (CPPM), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), 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), 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), 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), 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), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and 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)
Subjects: MONTE-CARLO SIMULATION, LOWEST ORDER CALCULATIONS, RADIATIVE-CORRECTIONS, 2-PHOTON PROCESSES, BHABHA SCATTERING, ENERGIES, DECAY, Physics and Astronomy (miscellaneous), [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Engineering (miscellaneous), Particle Physics - Experiment
Abstract: Data collected with the DELPHI detector from 1993 to 1995 combined with previous DELPHI results for data from 1991 and 1992 yield the branching fractions $ B({\tau \rightarrow \mbox{\rm e} \nu \bar{\nu}}) = (17.877 \pm 0.109_{stat} \pm 0.110_{sys} )\% $ and $B({\tau \rightarrow \mu \nu \bar{\nu}}) = (17.325 \pm 0.095_{stat} \pm 0.077_{sys} )\% $.
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34. Study of dimuon production in photon-photon collisions and measurement of QED photon structure functions at LEP

Author: Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Albrecht, Z., Alderweireld, T., Alekseev, Gd, Alemany, R., Allmendinger, T., Allport, Pp, Almehed, S., Amaldi, U., Amapane, N., 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., Behrmann, A., Beilliere, P., Belokopytov, Y., Benekos, Nc, Benvenuti, Ac, Berat, C., Berggren, M., Bertrand, D., Besancon, M., Bigi, M., Bilenky, Ms, Bizouard, Ma, Bloch, D., Blom, Hm, Bonesini, M., 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., Bracko, M., Branchini, P., Brenner, Ra, Bruckman, P., Brunet, Jm, 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, Mvc, Cattai, A., Cavallo, Fr, Chabaud, V., Charpentier, P., Checchia, P., Chelkov, Ga, Chierici, R., Chliapnikov, P., Chochula, P., Chorowicz, V., Chudoba, J., Cieslik, K., Collins, P., Contri, R., Cortina, E., Cosme, G., Cossutti, F., Crawley, Hb, Crennell, D., Crepe, S., Crosetti, G., Maestro, Jc, Czellar, S., Davenport, M., Da Silva, W., Della Ricca, G., Delpierre, P., Demaria, N., Angelis, A., Boer, W., Clercq, C., Lotto, B., Min, A., 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, Santo, Me, Fanourakis, G., Fassouliotis, D., Fayot, J., Feindt, M., Fenyuk, A., Ferrer, A., Ferrer-Ribas, E., Ferro, F., Fichet, S., Firestone, A., 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., Gaspar, C., Gaspar, M., Gasparini, U., Gavillet, P., Gazis, En, Gele, D., Ghodbane, N., Gil, I., Glege, F., Gokieli, R., Golob, B., Gomez-Ceballos, G., Goncalves, P., Caballero, Ig, 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, 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., Huber, M., Huet, K., Hughes, Gj, Hultqvist, K., Jackson, Jn, Jacobsson, R., Jalocha, P., Janik, R., Jarlskog, C., Jarlskog, G., Jarry, P., Jean-Marie, B., Jeans, D., Johansson, Ek, Jonsson, P., Joram, C., Juillot, P., Jungermann, L., Kapusta, F., Karafasoulis, K., Katsanevas, S., Katsoufis, Ec, Keranen, R., Kernel, G., Kersevan, Bp, Khomenko, Ba, Khovanski, Nn, Kiiskinen, A., King, B., Kinvig, A., Kjaer, Nj, 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, Jw, Lane, Dw, 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., Liebig, W., 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, Maltezos, S., 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., Mastroyiannopoulos, N., 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., Moch, M., Moeller, R., Moenig, K., Monge, MR, Moraes, D., 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., Nassiakou, M., Navarria, Fl, Navas, S., Nawrocki, K., Negri, P., Neufeld, N., Nicolaidou, R., Nielsen, Bs, Niezurawski, P., Nikolenko, M., Nomokonov, V., 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., Pavel, T., 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., Rehmani, H., Rames, J., Ratoff, Pn, Read, Al, Rebecchi, P., Redaelli, Ng, Regler, M., Rehn, J., Reid, D., Reinhardt, R., Renton, Pb, Resvanis, Lk, Richard, F., Ridky, J., Rinaudo, G., Ripp-Baudot, I., 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., Schwemling, P., Schwering, B., Schwickerath, U., Scuri, F., Seager, P., Sedykh, Y., Segar, Am, Seibert, N., Sekulin, R., Shellard, Rc, Siebel, M., Simard, L., Simonetto, F., Sisakian, An, Smadja, G., Smirnov, N., Oxana Smirnova, Smith, Gr, 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, Lg, 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, Ml, Tyapkin, Ia, Tzamarias, S., Ullaland, O., Uvarov, V., Valenti, G., Vallazza, E., Vander Velde, C., Dam, P., Den Boeck, W., Doninck, Wk, Eldik, J., Lysebetten, A., Remortel, N., Vulpen, I., Vegni, G., Ventura, L., Venus, W., Verbeure, F., Verdier, P., Verlato, M., Vertogradov, Ls, Verzi, V., Vilanova, D., Vitale, L., Vlasov, E., Vodopyanov, As, Voulgaris, G., Vrba, V., Wahlen, H., Walck, C., Washbrook, Aj, 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, Zintchenko, A., Zoller, P., 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 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), 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 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)-Université Grenoble Alpes (UGA), 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), Physique Corpusculaire et Cosmologie - Collège de France (PCC), 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 de Physique des Particules de Marseille (CPPM), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), DELPHI, BARBIELLINI AMIDEI, Guido, Cossutti, F., DELLA RICCA, Giuseppe, Poropat, Paolo, Vitale, Lorenzo, 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), 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), Aix Marseille Université (AMU)-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)-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 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), 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), 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), Delphi (IHEF, IoP, FNWI), and UCL - SC/PHYS - Département de physique
Subjects: Particle physics, E+E ANNIHILATION, Photon, Physics and Astronomy (miscellaneous), PAIR PRODUCTION, Astrophysics::High Energy Astrophysical Phenomena, 4-LEPTON FINAL-STATES, GAMMA-GAMMA-COLLISIONS, MONTE-CARLO SIMULATION, AZIMUTHAL CORRELATIONS, RADIATIVE-CORRECTIONS, MUON PAIRS, 4TH ORDER, SCATTERING, Monte Carlo method, FOS: Physical sciences, 01 natural sciences, 7. Clean energy, Partícules (Física nuclear), High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], 010306 general physics, Engineering (miscellaneous), DELPHI, Physics, Muon, Luminosity (scattering theory), 010308 nuclear & particles physics, High Energy Physics::Phenomenology, LARGE ELECTRON POSITRON COLLIDER, Photon structure function, 3. Good health, Scattering amplitude, Pair production, PARTICLE PHYSICS, Production (computer science), Física nuclear, High Energy Physics::Experiment, Particle Physics - Experiment
Abstract: Muon pair production in the process e+e- -> e+e-mu+mu- is studied using the data taken at LEP1 (sqrt(s) \simeq m_Z) with the DELPHI detector during the years 1992-1995. The corresponding integrated luminosity is 138.5 pb^{-1}. The QED predictions have been tested over the whole Q^2 range accessible at LEP1 (from several GeV^2/c^4 to several hundred GeV^2/c^4) by comparing experimental distributions with distributions resulting from Monte Carlo simulations using various generators. Selected events are used to extract the leptonic photon structure function F_2^\gamma. Azimuthal correlations are used to obtain information on additional structure functions, F_A^\gamma and F_B^\gamma, which originate from interference terms of the scattering amplitudes. The measured ratios F_A^\gamma/F_2^\gamma and F_B^\gamma/F_2^\gamma are significantly different from zero and consistent with QED predictions., Comment: 23 pages, 13 figures
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35. Precision electroweak measurements on the Z resonance

Author: Schael, S, Barate, R, Bruneliere, R, Buskulic, D, Bonis, De, Decamp, I, Ghez, D, Goy, P, Jezequel, C, Lees, S, Lucotte, Jp, Martin, A, Merle, F, Minard, E, Nief, Mn, Odier, Jy, Pietrzyk, P, Trocme, B, Bravo, B, Casado, S, Chmeissani, Mp, Comas, M, Crespo, P, Fernandez, Jm, E, Fernandez, Bosman, Garrido, M, Grauges, L, Juste, E, Martinez, A, Merino, M, Miquel, G, Mir, R, Orteu, Lm, Pacheco, S, Park, A, Perlas, Ic, Riu, J, Ruiz, I, Sanchez, H, Colaleo, F, Creanza, A, D, Filippis, De, N, Palma, De, Iaselli, M, Maggi, G, Nuzzo, M, Ranieri, S, Raso, A, Ruggieri, G, Selvaggi, F, Silvestris, G, Tempesta, L, Tricomi, P, Zito, A, Huang, G, Lin, X, Ouyang, J, Wang, Q, Xie, T, Xu, Y, Xue, R, Zhang, S, Zhang, J, Zhao, L, Abbaneo, W, Bazarko, D, Becker, A, Boix, U, Bird, G, Blucher, F, Bonvicini, E, B, Bright, Thomas, Barklow, P, Buchmuller, T, Cattaneo, O, Cerutti, M, Ciulli, F, Clerbaux, V, Drevermann, B, Forty, H, Frank, Rw, Greening, M, Hagelberg, Tc, Halley, R, Gianotti, Aw, Girone, F, Hansen, M, Harvey, Jb, Jacobsen, J, Hutchcroft, R, Janot, De, Jost, R, Knobloch, B, Kado, J, Lehraus, M, Lazeyras, I, Maley, P, Mato, R, May, P, Moutussi, J, A, Pepe, Altarelli, Ranjard, M, Rolandi, F, Schlatter, L, Schmitt, D, Schneider, B, Tejessy, O, Teubert, W, Tomalin, F, Tournefier, Ir, Veenhof, E, Valassi, R, Wiedenmann, A, Wright, W, Ajaltouni, Ae, Badaud, Z, Chazelle, F, Deschamps, G, Dessagne, O, Falvard, S, Ferdi, A, Fayolle, C, Gay, D, Guicheney, P, Henrard, C, Jousset, P, Michel, J, Monteil, B, Montret, S, Pallin, Jc, Pascolo, D, Perret, Jm, Podlyski, P, Bertelsen, F, Fernley, H, Hansen, T, Hansen, Jd, Hansen, Jr, Kraan, Ph, Lindahl, Ac, Mollerud, A, Nilsson, R, Rensch, Bs, Waananen, B, Daskalakis, A, Kyriakis, G, Markou, A, Simopoulou, C, Siotis, E, Vayaki, I, Zachariadou, A, Blondel, K, Bonneaud, A, Brient, G, Machefert, Jc, Rouge, E, Rumpf, A, Swynghedauw, M, Tanaka, M, Verderi, R, Videau, M, Focardi, H, Parrini, E, Corden, G, Georgiopoulos, M, Antonelli, C, Antonelli, 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Thaler, Fe, Thom, Jj, Trandafir, J, Turk, Ai, Usher, Jd, Vavra, T, Vella, J, Venuti, E, Verdier, Jp, Wagner, R, Waite, Sr, Walston, Ap, Wang, S, Watts, J, Weidemann, Sj, Weiss, Aw, Whitaker, Er, White, Js, Wickens, Sl, Williams, Fj, Williams, Da, Williams, Dc, Willocq, Sh, Wilson, S, Wisniewski, Rj, Wittlin, Wj, Woods, Jl, Word, M, Wright, Gb, Wyss, Tr, Yamamoto, J, Yang, Rk, Yashima, Xq, Yellin, J, Young, Sj, Yuta, Cc, Zapalac, H, Zdarko, G, Zeitlin, Rw, Zhou, C, Blondel, Alain, Schael, S, Barate, R, Bruneliere, R, Spagnolo, Stefania Antonia, S., Schael, Aloisio, Alberto, Alviggi, Mariagrazia, Canale, Vincenzo, Chiefari, Giovanni, DELLA VOLPE, Domenico, Merola, Leonardo, Napolitano, Marco, Patricelli, Sergio, Sciacca, Crisostomo, Lista, Luca, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Corpusculaire - Clermont-Ferrand (LPC), Université Blaise Pascal - Clermont-Ferrand 2 (UBP)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Théorique et Astroparticules (LPTA), Université Montpellier 2 - Sciences et Techniques (UM2)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Leprince-Ringuet (LLR), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-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), 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), 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), 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), 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), 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), ALEPH, DELPHI, L3, OPAL, SLD, BARBIELLINI AMIDEI, Guido, Bosisio, Luciano, DELLA RICCA, Giuseppe, Giannini, Gianrossano, Gregorio, Anna, Lanceri, Livio, Poropat, Paolo, Vitale, Lorenzo, Buskulic, D, De Bonis, I, Decamp, D, Ghez, P, Goy, C, Jezequel, S, Lees, J, Lucotte, A, Martin, F, Merle, E, Minard, M, Nief, J, Odier, P, Pietrzyk, B, Trocme, B, Bravo, S, Casado, M, Chmeissani, M, Comas, P, Crespo, J, Fernandez, E, Fernandez Bosman, M, Garrido, L, Grauges, E, Juste, A, Martinez, M, Merino, G, Miquel, R, Mir, L, Orteu, S, Pacheco, A, Park, I, Perlas, J, Riu, I, Ruiz, H, Sanchez, F, Colaleo, A, Creanza, D, De Filippis, N, De Palma, M, Iaselli, G, Maggi, G, Maggi, M, Nuzzo, S, Ranieri, A, Raso, G, Ruggieri, F, Selvaggi, G, Silvestris, L, Tempesta, P, Tricomi, A, Zito, G, Huang, X, Lin, J, Ouyang, Q, Wang, T, Xie, Y, Xu, R, Xue, S, Zhang, J, Zhang, L, Zhao, W, Abbaneo, D, Bazarko, A, Becker, U, Boix, G, Bird, F, Blucher, E, Bonvicini, B, Bright Thomas, P, Barklow, T, Buchmuller, O, Cattaneo, M, Cerutti, F, Ciulli, V, Clerbaux, B, Drevermann, H, Forty, R, Frank, M, Greening, T, Hagelberg, R, Halley, A, Gianotti, F, Girone, M, Hansen, J, Harvey, J, Jacobsen, R, Hutchcroft, D, Janot, R, Jost, B, Knobloch, J, Kado, M, Lehraus, I, Lazeyras, P, Maley, R, Mato, P, May, J, Moutussi, A, Pepe Altarelli, M, Ranjard, F, Rolandi, L, Schlatter, D, Schmitt, B, Schneider, O, Tejessy, W, Teubert, F, Tomalin, I, Tournefier, E, Veenhof, R, Valassi, A, Wiedenmann, W, Wright, A, Ajaltouni, Z, Badaud, F, Chazelle, G, Deschamps, O, Dessagne, S, Falvard, A, Ferdi, C, Fayolle, D, Gay, P, Guicheney, C, Henrard, P, Jousset, J, Michel, B, Monteil, S, Montret, J, Pallin, D, Pascolo, J, Perret, P, Podlyski, F, Bertelsen, H, Fernley, T, Hansen, P, Kraan, A, Lindahl, A, Mollerud, R, Nilsson, B, Rensch, B, Waananen, A, Daskalakis, G, Kyriakis, A, Markou, C, Simopoulou, E, Siotis, I, Vayaki, A, Zachariadou, K, Blondel, A, Bonneaud, G, Brient, J, Machefert, E, Rouge, A, Rumpf, M, Swynghedauw, M, Tanaka, R, Verderi, M, Videau, H, Focardi, E, Parrini, G, Corden, M, Georgiopoulos, C, Antonelli, A, Antonelli, M, Bencivenni, G, Bologna, G, Bossi, F, Campana, P, Capon, G, Chiarella, V, Felici, G, Laurelli, P, Mannocchi, G, Murtas, G, Passalacqua, L, Picchi, P, Colrain, P, Ten Have, I, Hughes, I, Kennedy, J, Knowles, I, Lynch, J, Morton, W, Negus, P, O'Shea, V, Raine, C, Reeves, P, Scarr, J, Smith, K, Thompson, A, Turnbull, R, Wasserbaech, S, Cavanaugh, R, Dhamotharan, S, Geweniger, C, Hanke, P, Hansper, G, Hepp, V, Kluge, E, Putzer, A, Sommer, J, Stenzel, H, Tittel, K, Werner, W, Wunsch, M, Beuselinck, R, Binnie, D, Cameron, W, Davies, G, Dornan, P, Goodsir, S, Marinelli, N, Martin, E, Nash, J, Nowell, J, Rutherford, S, Sedgbeer, J, Thompson, J, White, R, Williams, M, Ghete, V, Girtler, P, Kneringer, E, Kuhn, D, Rudolph, G, Bouhova Thacker, E, Bowdery, C, Buck, P, Clarke, D, Ellis, G, Finch, A, Foster, F, Hughes, G, Jones, R, Keemer, N, Pearson, M, Robertson, N, Sloan, T, Smizanska, M, Snow, S, Van Der Aa, O, Delaere, C, Leibenguth, G, Lemaitre, V, Bauerdick, L, Blumenschein, U, Van Gemmeren, P, Giehl, I, Holldorfer, F, Jakobs, K, Kasemann, M, Kayser, F, Kleinknecht, K, Muller, A, Quast, G, Renk, B, Rohne, E, Sander, H, Schmeling, S, Wachsmuth, H, Wanke, R, Zeitnitz, C, Ziegler, T, Aubert, J, Benchouk, C, Bonissent, A, Carr, J, 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MCGOWAN, A.K. MCKEMEY, B.T. MEADOWS, R. MESSNER, P.M. MOCKETT, K.C. MOFFEIT, T.B. MOORE, M. MORII, B. MOURS, D. MULLER, G. MUELLER, V. MURZIN, T. NAGAMINE, S. NARITA, U. NAUENBERG, H. NEAL, G. NESOM, M. NUSSBAUM, Y. OHNISHI, N. OISHI, D. ONOPRIENKO, L.S. OSBORNE, R.S. PANVINI, C.H.PARK, H. PARK, T.J. PAVEL, I. PERUZZI, L. PESCARA, M. PICCOLO, L. PIEMONTESE, E. PIERONI, K.T. PITTS, R.J. PLANO, R. PREPOST, C.Y. PRESCOTT, G. PUNKAR, J. QUIGLEY, B.N. RATCLIFF, K. REEVES, T.W. REEVES, J. REIDY, P.L. REINERTSEN, P.E. RENSING, L.S. ROCHESTER, J.E. ROTHBERG, P.C. ROWSON, J.J. RUSSELL, O.H. SAXTON, T. SCHALK, R.H. SCHINDLER, U. SCHNEEKLOTH, B.A. SCHUMM, J. SCHWIENING, A. SEIDEN, S. SEN, V.V. SERBO, L. SERVOLI, M.H. SHAEVITZ, J.T. SHANK, G. SHAPIRO, D.J. SHERDEN, K.D. SHMAKOV, C. SIMOPOULOS, N.B. SINEV, S.R. SMITH, M.B. SMY, J.A. SNYDER, M.D. SOKOLOFF, H. STAENGLE, A. STAHL, P. STAMER, H. STEINER, R. STEINER, M.G. STRAUSS, D. SU, F. SUEKANE, A. SUGIYAMA, A. SUZUKI, S. SUZUKI, M. SWARTZ, A. SZUMILO, T. TAKAHASHI, F.E. TAYLOR, J.J. THALER, J. THOM, E. TORRENCE, A.I. TRANDAFIR, J.D. TURK, T. USHER, J. VA VRA, C. VANNINI, E. VELLA, J.P. VENUTI, R. VERDIER, P.G. VERDINI, D.L. WAGNER, S.R. WAGNER, A.P. WAITE, S. WALSTON, J. WANG, S.J. WATTS, A.W. WEIDEMANN, E.R. WEISS, J.S. WHITAKER, S.L. WHITE, F.J. WICKENS, D.A. WILLIAMS, D.C. WILLIAMS, S.H. WILLIAMS, S. WILLOCQ, R.J. WILSON, W.J. WISNIEWSKI, J.L. WITTLIN, M. WOODS, G.B. WORD, T.R. WRIGHT, J. WYSS, R.K. YAMAMOTO, J.M. YAMARTINO, X.Q. YANG, J. YASHIMA, S.J. YELLIN, C.C.YOUNG, H.YUTA, G. ZAPALAC, R.W. ZDARKO, C. ZEITLIN, J. ZHOU, Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), 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), 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)-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 d'Annecy de Physique des Particules (LAPP/Laboratoire d'Annecy-le-Vieux de Physique des Particules), Centre National de la Recherche Scientifique (CNRS)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), 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)-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), GRUNEVALD M, NEWALD M, SCHAEL S, BARATE R, BRUNELIE, RE R, BUSKULIC D, DE BONIS I, DECAMP D, GHEZ P, GOY C, JE, ZE, QUEL S, LEES J, LUCOTTE A, MARTIN M, MERLE E, MINARD M, NIEF J, ODIER P, PIETRZYK B, TROCME, BRAVO S, CASADO MP, CHMEISSANI M, COMAS P, CRESPO JM, FERNANDEZ E, FERNANDEZ-BOSMAN M, GARRIDO L, GRAUGES E, JUSTE A, MARTINEZ M, MERINO G, MIQUEL R, MIR LM, ORTEU S, PACHECO A, PARK IC, PERLAS J, RIU I, RUIZ H, SANCHEZ F, COLALEO A, CREANZA D, DE FILIPPIS N, DE PALMA M, IASELLI G, MAGGI G, MAGGI M, NUZZO S, RANIERI, A, RASO, G, RUGGIERI F, SELVAGGI, G, SILVESTRIS L, TEMPESTA P, TRICOMI A, ZITO G, HUANG X, LIN J, OUYANG Q, WANG T, XIE Y, XU R, XUE S, ZHANG J, ZHANG L, ZHAO W, ABBANEO D, BAZARKO A, BECKER U, BOIX G, BIRD F, BLUCHER E, BONVICINI B, BRIGHT-THOMAS P, BARKLOW T, BUCHMU, LLER O, CATTANEO M, CERUTTI F, CIULLI V, CLERBAUX B, DREVERMANN H, FORTY RW, FRANK M, GREENING TC, HAGELBERG R, HALLEY AW, GIANOTTI F, GIRONE M, HANSEN JB, HARVEY J, JACOBSEN J, HUTCHCROFT DE, JANOT P, JOST B, KNOBLOCH J, KADO M, LEHRAUS I, LAZEYRAS P, and MALEY P
Subjects: Top quark, FORWARD-BACKWARD ASYMMETRY, PARTICLE PHYSICS, LARGE ELECTRON POSITRON COLLIDER, ALEPH, DELPHI, L3, OPAL, General Physics and Astronomy, 01 natural sciences, 7. Clean energy, High Energy Physics - Experiment, Settore FIS/04 - Fisica Nucleare e Subnucleare, High Energy Physics - Experiment (hep-ex), High Energy Physics - Phenomenology (hep-ph), electron-positron physics, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Electroweak interaction, Physics, Quantum chromodynamics, Electron–positron physics, Electroweak interactions, Decays of heavy intermediate gauge bosons, Fermion–antifermion production, Precision measurements at the Z resonance, Tests of the Standard Model, Radiative corrections, Effective coupling constants, Neutral weak current, Z boson, W boson, Higgs boson, Particle physics - Experiment, Settore FIS/01 - Fisica Sperimentale, FERMION-PAIR PRODUCTION, HADRONIC-Z-DECAYS, TOP-QUARK MASS, ANGLE BHABHA SCATTERING, W-BOSON MASS, CROSS-SECTION ASYMMETRY, Z-LINE-SHAPE, SEMILEPTONIC BRANCHING RATIOS, CARLO EVENT GENERATOR, decays of heavy intermediate gauge bosons, effective coupling constants, electroweak interactions, fermion-antifermion production, higgs boson, neutral weak current, precision measurements at the z resonance, radiative corrections, tests of the standard model, top quark, w boson, z boson, Radiative correction, High Energy Physics - Phenomenology, FIS/01 - FISICA SPERIMENTALE, Física nuclear, Neutrino, Particle physics, FOS: Physical sciences, ddc:500.2, Elementary particle physics, LEP, electroweak, Decays of heavy intermediate gauge boson, Effective coupling constant, Partícules (Física nuclear), Standard Model, electroweak theory, Z boson, DELPHI, ALEPH, OPAL, L3, 0103 physical sciences, 010306 general physics, Coupling constant, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, Fermion, FORWARD-BACKWARD ASYMMETRY, FERMION-PAIR PRODUCTION, HADRONIC-Z-DECAYS, TOP-QUARK MASS, ANGLE BHABHA SCATTERING, W-BOSON MASS, CROSS-SECTION ASYMMETRY, Z-LINE-SHAPE, SEMILEPTONIC BRANCHING RATIOS, CARLO EVENT GENERATOR, [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph], Experimental High Energy Physics, Electron–positron physic, High Energy Physics::Experiment, FIS/04 - FISICA NUCLEARE E SUBNUCLEARE
Abstract: We report on the final electroweak measurements performed with data taken at the Z resonance by the experiments operating at the electron-positron colliders SLC and LEP. The data consist of 17 million Z decays accumulated by the ALEPH, DELPHI, L3 and OPAL experiments at LEP, and 600 thousand Z decays by the SLD experiment using a polarised beam at SLC. The measurements include cross-sections, forward-backward asymmetries and polarised asymmetries. The mass and width of the Z boson, $\MZ$ and $\GZ$, and its couplings to fermions, for example the $\rho$ parameter and the effective electroweak mixing angle, are precisely measured. The number of light neutrino species is determined to be 2.9840+/-0.0082. The results are compared to the predictions of the Standard Model. Electroweak radiative corrections beyond the running of the QED and QCD coupling constants are observed with a significance of five standard deviations, and in agreement with the Standard Model. Of the many Z-pole measurements, the forward-backward asymmetry in b-quark production shows the largest difference with respect to its Standard Model expectation, at the level of 2.8 standard deviations. Through radiative corrections evaluated in the framework of the Standard Model, the masses of the top quark and the W Boson are predicted. These indirect constraints are compared to the direct measurements, providing a stringent test of the Standard Model. Using in addition the direct measurements of $\Mt$ and $\MW$, the mass of the as yet unobserved Standard Model Higgs boson is predicted., Comment: 302 pages, v2: minor corrections and updates of references. Accepted for publication by Physics Reports, v3: further small corrections and journal version
Published: 2006
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36. Energy dependence of event shapes and of $\alpha_s$ at LEP 2

Author: T. Allmendinger, A. Kiiskinen, Attilio Andreazza, J. M. Lopez, J. Libby, Ole Røhne, M. Pimenta, B. A. Khomenko, Sandra Amato, T. Podobnik, O. Kouznetsov, K. Belous, J. E. Augustin, A. Stocchi, Francesco Navarria, Maria Elena Pol, P. Langefeld, S. Katsanevas, A. Sopczak, Mariusz Witek, S. Squarcia, M. Gunther, H. Saarikko, D. Y. Bardin, E. K. Johansson, M. Regler, Paul Baillon, Rupert Leitner, G. Matthiae, F. J. Harris, F. Terranova, Alexander Lincoln Read, M. Szeptycka, Marc Besancon, Konstantinos Papageorgiou, R. Lauhakangas, M. Verlato, Andrea Perrotta, M. Chapkin, M. S. Bilenky, N. Vassilopoulos, L.J. Carroll, Vaclav Vrba, B. Tome, P. Antilogus, Yu. Sedykh, Hans Dijkstra, V. Ruhlmann-Kleider, T. Tabarelli, J. J. Hernandez, E. Kriznic, A. N. Sisakian, M. Berggren, U. Mjoernmark, C. Vander Velde, Fabio Cossutti, D. Bertini, R. Jacobsson, R. Mc Nulty, P. Delpierre, G. A. Chelkov, A. Sadovsky, S. Fichet, S. Todorova, H. T. Phillips, V. Malychev, Ugo Amaldi, Igor Boyko, T. Lesiak, H. Rahmani, Ariella Cattai, W. De Boer, E. Zevgolatakos, A. W. Borgland, A. G. Frodesen, Danilo Zavrtanik, R. Gokieli, E. G. Anassontzis, J. P. Engel, P. Bambade, M. V. Castillo Gimenez, G. Myatt, P. Bruckman, F. Ledroit, J. Fuster, Jacques Lemonne, G. Valenti, S. Cabrera, D. Fassouliotis, F. Pierre, A. Galloni, C. Gaspar, Vincent Hedberg, D. W. Lane, G. Ekspong, R. Muresan, F. Simonetto, P. N. Ratoff, Mattias Ellert, M. Begalli, Sofia Andringa, N. Tinti, S. Tzamarias, N. I. Zimin, K. Muenich, Winfried Mitaroff, Louis Lyons, S. O. Holmgren, L. S. Vertogradov, O. Ullaland, G. Borisov, Maciej Górski, Demetrios Loukas, L. Gorn, G. J. Hughes, A. B. Fenyuk, G. C. Zucchelli, Denis Gelé, J. Dolbeau, J. Yi, I. Gonzalez Caballero, Chiara Mariotti, S. Hahn, J. W. Lamsa, A. Deghorain, E. Higon, P. Seager, N. N. Khovanski, P.S.L. Booth, V. Lepeltier, M. Siebel, Paolo Checchia, Francesca Romana Cavallo, I. Gil, R. Lopez-Fernandez, R. C. Shellard, Josef Hrubec, J. P. Laugier, M. Battaglia, F. Barao, P. Kubinec, G. Grosdidier, P. V. Chliapnikov, G. Cosme, A. Tonazzo, F. Scuri, B. Franek, A. M. Segar, Alessandra Romero, A. Ruiz, M. A E Schyns, A. Van Lysebetten, Sandor Czellar, G. Leder, M. Gaspar, B. Åsman, V. Lefebure, D. Crennell, F. Mandl, Y. Belokopytov, K. Cieslik, Ph. Gavillet, B. Golob, P. Buschmann, B. Muryn, R. Mc Kay, G. D. Alekseev, N. Neumeister, Y. Arnoud, V. V. Lapin, Richard Brenner, N. Neufeld, G. Vegni, K. Stevenson, T. Spassov, M. Baubillier, V. Canale, Jørgen Beck Hansen, A. M. Zaitsev, Alexander Vodopyanov, F. Bianchi, V. Gracco, G. Polok, Clara Troncon, Yu. Gouz, B. Jean-Marie, Luca Tortora, T. Myklebust, P. Herquet, R. Contri, A. Sheridan, F. Fontanelli, E. Ferrer-Ribas, J. H. Cowell, T. L. Hessing, Klaus Hamacher, X. Moreau, S. Gamblin, J. MacNaughton, Claire Bourdarios, C. Bosio, E. Piotto, Christophe Royon, S. Hoorelbeke, Mario Sannino, Borut Paul Kerševan, M. Mc Cubbin, K. Hultqvist, Rafael Marco, J. Grahl, C. De Clercq, W. J. Murray, Gareth J. Barker, T. Burgsmueller, Nicola Amapane, P. Krstic, L. Di Ciaccio, J. Palacios, Manolis Dris, V. Obraztsov, M. A. Bizouard, Ernesto Migliore, Tord Ekelof, A. Normand, Klaus Moenig, J. Cuevas Maestro, I. A. Tyapkin, Paolo Ronchese, Fabrizio Parodi, Piotr Zalewski, M. A. Houlden, S. Marti i Garcia, N. J. Kjaer, O. Klapp, R. Strub, I. van Vulpen, B. Loerstad, Wolfgang Adam, Alberto Benvenuti, B. Buschbeck, D. Vilanova, Borge Svane Nielsen, Fabrizio Ferro, F. Tegenfeldt, J-C. Marin, B. Erzen, Krzysztof Doroba, I. Lippi, G. Orazi, R. Keranen, Philippe Charpentier, Francisco Matorras, Chiara Meroni, I. Bozovic, E. C. Katsoufis, G. Gopal, Maarten Boonekamp, Ugo Gasparini, Z. Albrecht, Nektarios Benekos, J. M. Heuser, J. H. Wickens, C. Green, P. Gris, Marco Paganoni, V.A. Uvarov, Gunter Wolf, W. Da Silva, J. Masik, Dimos Sampsonidis, Phillip Allport, Peter Kluit, F. Mazzucato, G. Della Ricca, D. Bertrand, Ph. Schwemling, O. Yushchenko, R. Sekulin, T. Moa, P. Rebecchi, Jiri Chudoba, R. Sosnowski, V. Chabaud, M. Espirito Santo, L. De Paula, Guido Barbiellini, L. Bugge, G. Tristram, E. Falk, W. K. Van Doninck, N. Ghodbane, J. Drees, J. Guy, F. Richard, P. Chochula, C. Matteuzzi, S. Stanic, Th. D. Papadopoulou, F. Naraghi, Oliver Passon, A. Kinvig, M. Davenport, P. Roudeau, S. Almehed, E. Cortina, Tim Adye, J. D. Durand, Evangelos Gazis, R. Chierici, B. Bouquet, F. Hahn, A. G. Olshevski, J. H. Lopes, U. Parzefall, A. Firestone, L. Vitale, Tiziano Camporesi, Antonios Leisos, D. Radojicic, Christopher Parkes, M. Nassiakou, Nikolaos P. Mastroyiannopoulos, Guillelmo Gomez-Ceballos, Stefano Ragazzi, V. Nomokonov, M. Trochimczuk, A. Duperrin, G. Morton, Paolo Privitera, M. Nikolenko, Morgan Lethuillier, R. Janik, A. Zalewska, U. Schwickerath, H. Palka, T. Alderweireld, Georgios Fanourakis, L. Chaussard, J. N. Jackson, M. Bonesini, M. Mazzucato, J. R. Mahon, T. G M Malmgren, H. Wahlen, Matteo Pegoraro, Patrick Jarry, G. Rinaudo, J. Salt, R. Paiva, Maria Roberta Monge, C. Mulet-Marquis, Manfred Krammer, R. Orava, P. Lutz, P. J. Holt, S. Haider, Amelia Maio, N. G. Redaelli, C. Vollmer, Cristian Stanescu, P. Branchini, Marco Bozzo, A. Passeri, Guy Wilkinson, D. Gamba, H. M. Blom, A. Ferrer, A. Tomaradze, Oxana Smirnova, Juergen Thomas, Y. Sacquin, G. Voulgaris, W. T. Meyer, Kathy Huet, C. Caso, P. Kokkinias, Martijn Mulders, T. Brenke, K. H. Becks, Valeriy Pozdniakov, R. Alemany, Stanislav Nemecek, H. Schneider, T. Buran, Markus Elsing, F. Verbeure, K. Karafasoulis, H. J. Grimm, N. Pukhaeva, Per Jönsson, M. Moch, Martino Margoni, E. Fokitis, W. Bonivento, E. Vallazza, H. B. Crawley, B. Schwering, B. Stugu, M. L. Turluer, D. Reid, Laurent Mirabito, V. Verzi, K. Grzelak, U. Mueller, Allan Hallgren, M. Gandelman, A. Markou, Corinne Berat, Olga Botner, Antonio Baroncelli, Petar Adzic, A. Malek, Marcos Dracos, Luis Peralta, F. Kapusta, Gianni Zumerle, G. Transtromer, A. Pullia, E. I. Rosenberg, P. Poropat, Andromachi Tsirou, Carmen García, Andre Augustinus, Reynald Pain, H. Foeth, Marek Szczekowski, H. Klein, K. Osterberg, W. Venus, K. Kurvinen, D. Wicke, A. De Angelis, P. Collins, G. Eigen, Daniel Bloch, M. A. Winter, Ahmimed Ouraou, S. Heising, C. Walck, R. Reinhardt, A. Petrolini, F. Fulda-Quenzer, B. De Lotto, G. Crosetti, Evgueni Vlasov, E. Graziani, J. M. Brunet, C. Weiser, G. Mc Pherson, H. Herr, L. G. Tkatchev, A. Nygren, Tiziano Rovelli, Luc Pape, J. Kurowska, F. Carena, M. Pernicka, Jesus Marco, G. Lenzen, F. Martinez-Vidal, V. Kostioukhine, M. Koratzinos, M. Feindt, S. Sánchez Navas, P. Negri, P. Ferrari, P. Sponholz, Göran Jarlskog, Ch. Jarlskog, F. Glege, W. D. Apel, Dietrich Liko, Chariclia Petridou, G. Smadja, S. Crepe, J. Van Eldik, V. Chorowicz, Daniel Treille, M. Bigi, J. Fayot, J. Ridky, Nikita Smirnov, G. W. Van Apeldoorn, L. Ventura, P. Andersson, Christine Kourkoumelis, Natale Demaria, C. Martinez-Rivero, P. B. Renton, B. Marechal, Rosy Nicolaidou, Marta Calvi, Geoffrey Smith, P. Rosinsky, R. Moeller, L. K. Resvanis, Massimo Caccia, L. Simard, L. Leinonen, Z. Krumstein, S. Paiano, A. De Min, G. Sajot, U. Flagmeyer, Anna Lipniacka, C. Joram, R. Barbier, Paulo J. S. Gonçalves, P. Van Dam, A. Behrmann, Themistocles Bowcock, Pawel Jalocha, Barry King, E. Spiriti, R. Frühwirth, J. Timmermans, Pierre Juillot, E. Boudinov, A. Onofre, Paolo Morettini, J. G. Loken, P. Beilliere, Krzysztof Nawrocki, Stavros Maltezos, P. Abreu, 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 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), 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)-Université Grenoble Alpes (UGA), 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), Physique Corpusculaire et Cosmologie - Collège de France (PCC), 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 de Physique des Particules de Marseille (CPPM), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Aix Marseille Université (AMU), DELPHI, UCL - SST/IRMP - Institut de recherche en mathématique et physique, 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, Bianchi, F, Bigi, M, Bilenky, M, Bizouard, M, Bloch, D, Blom, H, Bonesini, M, Bonivento, W, 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, Branchini, P, Brenke, T, Brenner, R, Bruckman, P, Brunet, J, Bugge, L, Buran, T, Burgsmueller, T, Buschbeck, B, Buschmann, P, Cabrera, S, Caccia, M, Calvi, M, Camporesi, T, Canale, V, Carena, F, Carroll, L, Caso, C, Castillo Gimenez, 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, Cowell, J, Crawley, H, Crennell, D, Crepe, S, Crosetti, G, Cuevas Maestro, J, Czellar, S, Davenport, M, da Silva, W, Deghorain, A, 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, Erzen, B, Espirito Santo, M, Falk, E, Fanourakis, G, Fassouliotis, D, Fayot, J, Feindt, M, Fenyuk, A, Ferrari, P, 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, Gonzalez Caballero, I, Gopal, G, Gorn, L, Gorski, M, Gouz, Y, Gracco, V, Grahl, J, Graziani, E, Green, C, Grimm, H, Gris, P, Grosdidier, G, Grzelak, K, Gunther, M, 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, Huet, K, Hughes, G, Hultqvist, K, Jackson, J, Jacobsson, R, Jalocha, P, Janik, R, Jarlskog, C, Jarlskog, G, Jarry, P, Jean-Marie, B, Johansson, E, Jonsson, P, Joram, C, Juillot, P, Kapusta, F, Karafasoulis, K, Katsanevas, S, Katsoufis, E, Keranen, R, Kersevan, B, Khomenko, B, Khovanski, N, Kiiskinen, A, King, B, Kinvig, A, Kjaer, N, Klapp, O, Klein, H, Kluit, P, Kokkinias, P, Koratzinos, M, Kostioukhine, V, Kourkoumelis, C, Kouznetsov, O, Krammer, M, Kriznic, E, Krstic, P, Krumstein, Z, Kubinec, P, Kurowska, J, Kurvinen, K, Lamsa, J, Lane, D, Langefeld, P, 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, 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, Marti i 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, 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, Nemecek, S, Neufeld, N, Neumeister, N, Nicolaidou, R, Nielsen, B, Nikolenko, M, Nomokonov, V, Normand, A, 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, 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, Ratoff, P, Read, A, Rebecchi, P, Redaelli, N, Regler, M, Reid, D, Reinhardt, R, Renton, P, Resvanis, L, Richard, F, Ridky, J, Rinaudo, G, 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, Schneider, H, Schwemling, P, Schwering, B, Schwickerath, U, Schyns, M, Scuri, F, Seager, P, Sedykh, Y, Segar, A, Sekulin, R, Shellard, R, Sheridan, A, Siebel, M, Simard, L, Simonetto, F, Sisakian, A, Smadja, G, Smirnov, N, Smirnova, O, Smith, G, Sopczak, A, Sosnowski, R, Spassov, T, Spiriti, E, Sponholz, P, Squarcia, S, Stanescu, C, Stanic, S, Stevenson, K, Stocchi, A, Strub, R, Stugu, B, Szczekowski, M, Szeptycka, M, Tabarelli, T, Tegenfeldt, F, Terranova, F, Thomas, J, Timmermans, J, Tinti, N, Tkatchev, L, Todorova, S, Tomaradze, A, Tome, B, Tonazzo, A, Tortora, L, Transtromer, G, Treille, D, Tristram, G, Trochimczuk, M, Troncon, C, Tsirou, A, Turluer, M, Tyapkin, I, Tzamarias, S, Ullaland, O, Uvarov, V, Valenti, G, Vallazza, E, Vander Velde, C, van Apeldoorn, G, van Dam, P, van Doninck, W, van Eldik, J, van Lysebetten, A, van Vulpen, I, Vassilopoulos, N, Vegni, G, Ventura, L, Venus, W, Verbeure, F, Verlato, M, Vertogradov, L, Verzi, V, Vilanova, D, Vitale, L, Vlasov, E, Vodopyanov, A, Vollmer, C, Voulgaris, G, Vrba, V, Wahlen, H, Walck, C, Weiser, C, Wicke, D, Wickens, J, Wilkinson, G, Winter, M, Witek, M, Wolf, G, Yi, J, Yushchenko, O, Zaitsev, A, Zalewska, A, Zalewski, P, Zavrtanik, D, Zevgolatakos, E, Zimin, N, Zucchelli, G, Zumerle, G, 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), 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), Aix Marseille Université (AMU)-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)-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)-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), 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), Delphi (IHEF, IoP, FNWI), Delphi, Collaboration, Abreu, P., Adam, W., Canale, Vincenzo, BARBIELLINI AMIDEI, Guido, Cossutti, F., DELLA RICCA, Giuseppe, Poropat, Paolo, and Vitale, Lorenzo
Subjects: Particle physics, Nuclear and High Energy Physics, E+E ANNIHILATION, Z(0) RESONANCE, Logarithm, Infrared, Electron–positron annihilation, Monte Carlo method, TRISTAN, Inverse, PREDICTIONS, 01 natural sciences, Partícules (Física nuclear), Nuclear physics, MONTE-CARLO, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], 010306 general physics, Ansatz, DELPHI, Quantum chromodynamics, Physics, 010308 nuclear & particles physics, Detector, High Energy Physics::Phenomenology, LARGE ELECTRON POSITRON COLLIDER, HADRONIC Z-DECAYS, PARTICLE PHYSICS, QCD MODELS, FRAGMENTATION, Física nuclear, High Energy Physics::Experiment, Particle 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
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