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1. Measurement of the mixing parameter in DELPHI

Author

P. Abreu, W. Adam, T. Adye, E. Agasi, I. Ajinenko, R. Aleksan, G.D. Alekseev, P.P. Allport, S. Almehed, F.M.L. Almeida, S.J. Alvsvaag, U. Amaldi, A. Andreazza, P. Antilogus, W.-D. Apel, R.J. Apsimon, Y. Arnoud, B. Åsman, J.-E. Augustin, A. Augustinus, P. Baillon, P. Bambade, F. Barao, R. Barate, G. Barbiellini, D.Y. Bardin, G.J. Barker, A. Baroncelli, O. Barring, J.A. Barrio, W. Bartl, M.J. Bates, M. Battaglia, M. Baubillier, K.-H. Becks, M. Begalli, P. Beilliere, P. Beltran, A.C. Benvenuti, M. Berggren, D. Bertrand, F. Bianchi, M. Bigi, M.S. Bilenky, J. Bjarne, D. Bloch, J. Blocki, S. Blyth, V. Bocci, P.N. Bogolubov, T. Bolognese, M. Bonesini, W. Bonivento, P.S.L. Booth, G. Borisov, C. Bosio, B. Bostjancic, S. Bosworth, O. Botner, B. Bouquet, C. Bourdarios, T.J.V. Bowcock, M. Bozzo, S. Braibant, P. Branchini, K.D. Brand, R.A. Brenner, H. Briand, C. Bricman, L. Brillault, R.C.A. Brown, J.-M. Brunet, L. Bugge, T. Buran, A. Buys, J.A.M.A. Buytaert, M. Caccia, M. Calvi, A.J. Camacho Rozas, R. Campion, T. Camporesi, V. Canale, K. Cankocak, F. Cao, F. Carena, P. Carrilho, L. Carroll, R. Cases, C. Caso, M.V. Castillo Gimenez, A. Cattai, F.R. Cavallo, L. Cerrito, V. Chabaud, A. Chan, Ph. Charpentier, J. Chauveau, P. Checchia, G.A. Chelkov, L. Chevalier, P. Chliapnikov, V. Chorowicz, J.T.M. Chrin, V. Cindro, P. Collins, J.L. Contreras, R. Contri, E. Cortina, G. Cosme, F. Couchot, H.B. Crawley, D. Crennell, G. Crosetti, J. Cuevas Maestro, S. Czellar, E. Dahl-Jensen, J. Dahm, B. Dalmagne, M. Dam, G. Damgaard, E. Daubie, A. Daum, P.D. Dauncey, M. Davenport, J. Davies, W. Da Silva, C. Defoix, P. Delpierre, N. Demaria, A. De Angelis, H. De Boeck, W. De Boer, S. De Brabandere, C. De Clercq, M.D.M. De Fez Laso, C. De La Vaissiere, B. De Lotto, A. De Min, L. De Paula, H. Dijkstra, L. Di Ciaccio, F. Djama, J. Dolbeau, M. Donszelmann, K. Doroba, M. Dracos, J. Drees, M. Dris, Y. Dufour, F. Dupont, D. Edsall, R. Ehret, T. Ekelof, G. Ekspong, M. Elsing, J-P. Engel, N. Ershaidat, M. Espirito Santo, V. Falaleev, D. Fassouliotis, M. Feindt, A. Fenyuk, A. Ferrer, T.A. Filippas, A. Firestone, H. Foeth, E. Fokitis, F. Fontanelli, F. Formenti, J-L. Fousset, S. Francon, B. Franek, P. Frenkiel, D.C. Fries, A.G. Frodesen, F. Fulda-Quenzer, H. Furstenau, J. Fuster, D. Gamba, M. Gandelman, C. Garcia, J. Garcia, C. Gaspar, U. Gasparini, Ph. Gavillet, E.N. Gazis, D. Gele, J-P. Gerber, P. Giacomelli, D. Gillespie, R. Gokieli, B. Golob, V.M. Golovatyuk, J.J. Gomez Y Cadenas, G. Gopal, L. Gorn, M. Gorski, V. Gracco, F. Grard, E. Graziani, G. Grosdidier, P. Gunnarsson, J. Guy, U. Haedinger, F. Hahn, M. Hahn, S. Hahn, S. Haider, Z. Hajduk, A. Hakansson, A. Hallgren, K. Hamacher, G. Hamel De Monchenault, W. Hao, F.J. Harris, V. Hedberg, R. Henriques, J.J. Hernandez, J.A. Hernando, P. Herquet, H. Herr, T.L. Hessing, E. Higon, H.J. Hilke, T.S. Hill, S-O. Holmgren, P.J. Holt, D. Holthuizen, P.F. Honore, M. Houlden, J. Hrubec, K. Huet, K. Hultqvist, P. Ioannou, P-S. Iversen, J.N. Jackson, R. Jacobsson, P. Jalocha, G. Jarlskog, P. Jarry, B. Jean-Marie, E.K. Johansson, M. Jonker, L. Jonsson, P. Juillot, M. Kaiser, G. Kalmus, F. Kapusta, M. Karlsson, E. Karvelas, S. Katsanevas, E.C. Katsoufis, R. Keranen, B.A. Khomenko, N.N. Khovanski, B. King, N.J. Kjaer, H. Klein, A. Klovning, P. Kluit, A. Koch-Mehrin, J.H. Koehne, B. Koene, P. Kokkinias, M. Koratzinos, K. Korcyl, A.V. Korytov, V. Kostioukhine, C. Kourkoumelis, O. Kouznetsov, P.H. Kramer, M. Krammer, C. Kreuter, J. Krolikowski, I. Kronkvist, W. Krupinski, K. Kulka, K. Kurvinen, C. Lacasta, C. Lambropoulos, J.W. Lamsa, L. Lanceri, P. Langefeld, V. Lapin, I. Last, J-P. Laugier, R. Lauhakangas, G. Leder, F. Ledroit, R. Leitner, Y. Lemoigne, J. Lemonne, G. Lenzen, V. Lepeltier, T. Lesiak, J.M. Levy, E. Lieb, D. Liko, R. Lindner, A. Lipniacka, I. Lippi, B. Loerstad, M. Lokajicek, J.G. Loken, A. Lopez-Fernandez, M.A. Lopez Aguera, M. Los, D. Loukas, J.J. Lozano, P. Lutz, L. Lyons, G. Maehlum, J. Maillard, A. Maio, A. Maltezos, F. Mandl, J. Marco, B. Marechal, M. Margoni, J-C. Marin, C. Mariotti, A. Markou, T. Maron, S. Marti, C. Martinez-Rivero, F. Martinez-Vidal, F. Matorras, C. Matteuzzi, G. Matthiae, M. Mazzucato, M. Mc Cubbin, R. Mc Kay, R. Mc Nulty, J. Medbo, C. Meroni, W.T. Meyer, M. Michelotto, E. Migliore, I. Mikulec, L. Mirabito, W.A. Mitaroff, G.V. Mitselmakher, U. Mjoernmark, T. Moa, R. Moeller, K. Moenig, M.R. Monge, P. Morettini, H. Mueller, W.J. Murray, B. Muryn, G. Myatt, F. Naraghi, F.L. Navarria, P. Negri, S. Nemecek, W. Neumann, N. Neumeister, R. Nicolaidou, B.S. Nielsen, V. Nikolaenko, P.E.S. Nilsen, P. Niss, A. Nomerotski, A. Normand, M. Novak, V. Obraztsov, A.G. Olshevski, R. Orava, K. Osterberg, A. Ouraou, P. Paganini, M. Paganoni, R. Pain, H. Palka, Th.D. Papadopoulou, L. Pape, F. Parodi, A. Passeri, M. Pegoraro, J. Pennanen, L. Peralta, H. Pernegger, M. Pernicka, A. Perrotta, C. Petridou, A. Petrolini, H.T. Phillips, G. Piana, F. Pierre, M. Pimenta, S. Plaszczynski, O. Podobrin, M.E. Pol, G. Polok, P. Poropat, V. Pozdniakov, M. Prest, P. Privitera, A. Pullia, D. Radojicic, S. Ragazzi, H. Rahmani, P.N. Ratoff, A.L. Read, M. Reale, P. Rebecchi, N.G. Redaelli, M. Regler, D. Reid, P.B. Renton, L.K. Resvanis, F. Richard, J. Richardson, J. Ridky, G. Rinaudo, A. Romero, I. Roncagliolo, P. Ronchese, L. Roos, E.I. Rosenberg, E. Rosso, P. Roudeau, T. Rovelli, W. Ruckstuhl, V. Ruhlmann-Kleider, A. Ruiz, K. Rybicki, H. Saarikko, Y. Sacquin, G. Sajot, J. Salt, J. Sanchez, M. Sannino, S. Schael, H. Schneider, M.A.E. Schyns, G. Sciolla, F. Scuri, A.M. Segar, A. Seitz, R. Sekulin, M. Sessa, R. Seufert, R.C. Shellard, I. Siccama, P. Siegrist, S. Simonetti, A.N. Sisakian, G. Skjevling, G. Smadja, N. Smirnov, O. Smirnova, G.R. Smith, R. Sosnowski, D. Souza-Santos, T. Spassov, E. Spiriti, S. Squarcia, H. Staeck, C. Stanescu, S. Stapnes, I. Stavitski, G. Stavropoulos, K. Stepaniak, F. Stichelbaut, A. Stocchi, J. Strauss, J. Straver, R. Strub, B. Stugu, M. Szczekowski, M. Szeptycka, T. Tabarelli, O. Tchikilev, G.E. Theodosiou, Z. Thome, A. Tilquin, J. Timmermans, V.G. Timofeev, L.G. Tkatchev, T. Todorov, D.Z. Toet, A. Tomaradze, B. Tome, E. Torassa, L. Tortora, G. Transtromer, D. Treille, W. Trischuk, G. Tristram, C. Troncon, A. Tsirou, E.N. Tsyganov, M. Turala, M-L. Turluer, T. Tuuva, I.A. Tyapkin, M. Tyndel, S. Tzamarias, B. Ueberschaer, S. Ueberschaer, O. Ullaland, V. Uvarov, G. Valenti, E. Vallazza, J.A. Valls Ferrer, C. Vander Velde, G.W. Van Apeldoorn, P. Van Dam, M. Van Der Heijden, W.K. Van Doninck, J. Van Eldik, P. Vaz, G. Vegni, L. Ventura, W. Venus, F. Verbeure, M. Verlato, L.S. Vertogradov, D. Vilanova, P. Vincent, L. Vitale, E. Vlasov, A.S. Vodopyanov, M. Vollmer, M. Voutilainen, V. Vrba, H. Wahlen, C. Walck, F. Waldner, A. Wehr, M. Weierstall, P. Weilhammer, A.M. Wetherell, J.H. Wickens, M. Wielers, G.R. Wilkinson, W.S.C. Williams, M. Winter, M. Witek, G. Wormser, K. Woschnagg, K. Yip, O. Yushchenko, A. Zaitsev, A. Zalewska, P. Zalewski, D. Zavrtanik, E. Zevgolatakos, N.I. Zimin, M. Zito, D. Zontar, R. Zuberi, G. Zumerle, Delphi, Collaboration, Abreu, P., Adam, W., and Canale, Vincenzo

Subjects
Physics, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, Electron–positron annihilation, Elementary particle, 01 natural sciences, b-tagging, Measure (mathematics), Nuclear physics, Particle decay, 0103 physical sciences, High Energy Physics::Experiment, B meson, 010306 general physics, Mixing (physics), Lepton
Abstract

A total of about View the MathML source decays have been analyzed to measure the View the MathML source mixing probability. Two different b tagging techniques have been used: events with two leptons and events with one lepton and one Λ. From a combination of the two methods the average mixing parameter, χ, was determined to be (12.1±1.6(stat.)±0.4(syst.)±0.4(model)%.

Published
1994

2. Measurement of the e+e− → γγ(γ) cross section at LEP energies

Author

P. Abreu, W. Adam, T. Adye, E. Agasi, I. Ajinenko, R. Aleksan, G.D. Alekseev, P.P. Allport, S. Almehed, F.M.L. Almeida, S.J. Alvsvaag, U. Amaldi, A. Andreazza, P. Antilogus, W-D. Apel, R.J. Apsimon, Y. Arnoud, B. Åsman, J-E. Augustin, A. Augustinus, P. Baillon, P. Bambade, F. Barao, R. Barate, G. Barbiellini, D.Y. Bardin, G.J. Barker, A. Baroncelli, O. Barring, J.A. Barrio, W. Bartl, M.J. Bates, M. Battaglia, M. Baubillier, K-H. Becks, M. Begalli, P. Beilliere, P. Beltran, A.C. Benvenuti, M. Berggren, D. Bertrand, F. Bianchi, M. Bigi, M.S. Bilenky, P. Billoir, J. Bjarne, D. Bloch, J. Blocki, S. Blyth, V. Bocci, P.N. Bogolubov, T. Bolognese, M. Bonesini, W. Bonivento, P.S.L. Booth, G. Borisov, C. Bosio, B. Bostjancic, S. Bosworth, O. Botner, B. Bouquet, C. Bourdarios, T.J.V. Bowcock, M. Bozzo, S. Braibant, P. Branchini, K.D. Brand, R.A. Brenner, H. Briand, C. Bricman, L. Brillault, R.C.A. Brown, J-M. Brunet, L. Bugge, T. Buran, A. Buys, J.A.M.A. Buytaert, M. Caccia, M. Calvi, A.J. Camacho Rozas, R. Campion, T. Camporesi, V. Canale, K. Cankocak, F. Cao, F. Carena, P. Carrilho, L. Carroll, R. Cases, C. Caso, M.V. Castillo Gimenez, A. Cattai, F.R. Cavallo, L. Cerrito, V. Chabaud, A. Chan, M. Chapkin, Ph. Charpentier, J. Chauveau, P. Checchia, G.A. Chelkov, L. Chevalier, P. Chliapnikov, V. Chorowicz, J.T.M. Chrin, V. Cindro, P. Collins, J.L. Contreras, R. Contri, E. Cortina, G. Cosme, F. Couchot, H.B. Crawley, D. Crennell, G. Crosetti, J. Cuevas Maestro, S. Czellar, E. Dahl-Jensen, J. Dahm, B. Dalmagne, M. Dam, G. Damgaard, E. Daubie, A. Daum, P.D. Dauncey, M. Davenport, J. Davies, W. Da Silva, C. Defoix, P. Delpierre, N. Demaria, A. De Angelis, H. De Boeck, W. De Boer, S. De Brabandere, C. De Clercq, M.D.M. De Fez Laso, C. De La Vaissiere, B. De Lotto, A. De Min, L. De Paula, H. Dijkstra, L. Di Ciaccio, F. Djama, J. Dolbeau, M. Donszelmann, K. Doroba, M. Dracos, J. Drees, M. Dris, Y. Dufour, F. Dupont, D. Edsall, L-O. Eek, R. Ehret, T. Ekelof, G. Ekspong, M. Elsing, J-P. Engel, N. Ershaidat, M. Espirito Santo, V. Falaleev, D. Fassouliotis, M. Feindt, A. Ferrer, T.A. Filippas, A. Firestone, H. Foeth, E. Fokitis, F. Fontanelli, F. Formenti, J-L. Fousset, S. Francon, B. Franek, P. Frenkiel, D.C. Fries, A.G. Frodesen, R. Fruhwirth, F. Fulda-Quenzer, H. Furstenau, J. Fuster, D. Gamba, M. Gandelman, C. Garcia, J. Garcia, C. Gaspar, U. Gasparini, Ph. Gavillet, E.N. Gazis, J-P. Gerber, P. Giacomelli, D. Gillespie, R. Gokieli, B. Golob, V.M. Golovatyuk, J.J. Gomez Y Cadenas, G. Gopal, L. Gorn, M. Gorski, V. Gracco, F. Grard, E. Graziani, G. Grosdidier, B. Grossetete, P. Gunnarsson, J. Guy, U. Haedinger, F. Hahn, M. Hahn, S. Hahn, S. Haider, Z. Hajduk, A. Hakansson, A. Hallgren, K. Hamacher, G.Hamel De Monchenault, W. Hao, F.J. Harris, V. Hedberg, R. Henriques, J.J. Hernandez, J.A. Hernando, P. Herquet, H. Herr, T.L. Hessing, E. Higon, H.J. Hilke, T.S. Hill, S-O. Holmgren, P.J. Holt, D. Holthuizen, P.F. Honore, M. Houlden, J. Hrubec, K. Huet, K. Hultqvist, P. Ioannou, P-S. Iversen, J.N. Jackson, R. Jacobsson, P. Jalocha, G. Jarlskog, P. Larry, B. Jean-Marie, E.K. Johansson, M. Jonker, L. Jonsson, P. Juillot, M. Kaiser, G. Kalmus, F. Kapusta, M. Karlsson, E. Karvelas, A. Katargin, S. Katsanevas, E.C. Katsoufis, R. Keranen, B.A. Khomenko, N.N. Khovanski, B. King, N.J. Kjaer, H. Klein, A. Klovning, P. Kluit, A. Koch-Mehrin, J.H. Koehne, B. Koene, P. Kokkinias, M. Koratzinos, K. Korcyl, A.V. Korytov, V. Kostioukhine, C. Kourkoumelis, O. Kouznetsov, P.H. Kramer, M. Krammer, C. Kreuter, J. Krolikowski, I. Kronkvist, W. Krupinski, K. Kulka, K. Kurvinen, C. Lacasta, C. Lambropoulos, J.W. Lamsa, L. Lanceri, P. Langefeld, V. Lapin, I. Last, J-P. Laugier, R. Lauhakangas, G. Leder, F. Ledroit, R. Leitner, Y. Lemoigne, J. Lemonne, G. Lenzen, V. Lepeltier, T. Lesiak, J.M. Levy, E. Lieb, D. Liko, R. Lindner, A. Lipniacka, I. Lippi, B. Loerstad, M. Lokajicek, J.G. Loken, A. Lopez-Fernandez, M.A. Lopez Aguera, M. Los, D. Loukas, J.J. Lozano, P. Lutz, L. Lyons, G. Maehlum, J. Maillard, A. Maio, A. Maltezos, F. Mandl, J. Marco, B. Marechal, M. Margoni, J-C. Marin, C. Mariotti, A. Markou, T. Maron, S. Marti, C. Martinez-Rivero, F. Martinez-Vidal, F. Matorras, C. Matteuzzi, G. Matthiae, M. Mazzucato, M. Mc Cubbin, R. Mc Kay, R. Mc Nulty, J. Medbo, C. Meroni, W.T. Meyer, M. Michelotto, E. Migliore, I. Mikulec, L. Mirabito, G.V. Mitselmakher, U. Mjoernmark, T. Moa, R. Moeller, K. Moenig, M.R. Monge, P. Morettini, H. Mueller, W.J. Murray, B. Muryn, G. Myatt, F. Naraghi, F.L. Navarria, P. Negri, S. Nemecek, W. Neumann, N. Neumeister, R. Nicolaidou, B.S. Nielsen, P.E.S. Nilsen, P. Niss, A. Nomerotski, A. Normand, V. Obraztsov, A.G. Olshevski, R. Orava, K. Osterberg, A. Ouraou, P. Paganini, M. Paganoni, R. Pain, H. Palka, Th.D. Papadopoulou, L. Pape, F. Parodi, A. Passeri, M. Pegoraro, J. Pennanen, L. Peralta, H. Pernegger, M. Pernicka, A. Perrotta, C. Petridou, A. Petrolini, H.T. Phillips, G. Piana, F. Pierre, M. Pimenta, S. Plaszczynski, O. Podobrin, M.E. Pol, G. Polok, P. Poropat, V. Pozdniakov, M. Prest, P. Privitera, A. Pullia, D. Radojicic, S. Ragazzi, H. Rahmani, J. Rames, P.N. Ratoff, A.L. Read, M. Reale, P. Rebecchi, N.G. Redaelli, M. Regler, D. Reid, P.B. Renton, L.K. Resvanis, F. Richard, J. Richardson, J. Ridky, G. Rinaudo, A. Romero, I. Roncagliolo, P. Ronchese, E.I. Rosenberg, E. Rosso, P. Roudeau, T. Rovelli, W. Ruckstuhl, V. Ruhlmann-Kleider, A. Ruiz, K. Rybicki, H. Saarikko, Y. Sacquin, G. Sajot, J. Salt, J. Sanchez, M. Sannino, S. Schael, H. Schneider, M.A.E. Schyns, G. Sciolla, F. Scuri, A.M. Segar, A. Seitz, R. Sekulin, M. Sessa, R. Seufert, R.C. Shellard, I. Siccama, P. Siegrist, S. Simonetti, F. Simonetti, A.N. Sisakian, G. Skjevling, G. Smadja, N. Smirnov, O. Smirnova, G.R. Smith, R. Sosnowski, D. Souza-Santos, T. Spassov, E. Spiriti, S. Squarcia, H. Staeck, C. Stanescu, S. Stapnes, I. Stavitski, G. Stavropoulos, K. Stepaniak, F. Stichelbaut, A. Stocchi, J. Strauss, J. Straver, R. Strub, B. Stugu, M. Szczekowski, M. Szeptycka, P. Szymanski, T. Tabarelli, O. Tchikilev, G.E. Theodosiou, Z. Thome, A. Tilquin, J. Timmermans, V.G. Timofeev, L.G. Tkatchev, T. Todorov, D.Z. Toet, A. Tomaradze, B. Tome, E. Torassa, L. Tortora, D. Treille, W. Trischuk, G. Tristram, C. Troncon, A. Tsirou, E.N. Tsyganov, M. Turala, M-L. Turluer, T. Tuuva, I.A. Tyapkin, M. Tyndel, S. Tzamarias, B. Ueberschaer, S. Ueberschaer, O. Ullaland, V. Uvarov, G. Valenti, E. Vallazza, J.A. Valls Ferrer, C. Vander Velde, G.W. Van Apeldoorn, P. Van Dam, M. Van Der Heijden, W.K. Van Doninck, J. Van Eldik, P. Vaz, G. Vegni, L. Ventura, W. Venus, F. Verbeure, M. Verlato, L.S. Vertogradov, D. Vilanova, P. Vincent, L. Vitale, E. Vlasov, A.S. Vodopyanov, M. Vollmer, M. Voutilainen, V. Vrba, H. Wahlen, C. Walck, F. Waldner, A. Wehr, M. Weierstall, P. Weilhammer, A.M. Wetherell, J.H. Wickens, M. Wielers, G.R. Wilkinson, W.S.C. Williams, M. Winter, M. Witek, G. Wormser, K. Woschnagg, K. Yip, O. Yushchenko, A. Zaitsev, A. Zalewska, P. Zalewski, D. Zavrtanik, E. Zevgolatakos, N.I. Zimin, M. Zito, D. Zontar, R. Zuberi, G. Zumerle, Delphi, Collaboration, Abreu, P., Adam, W., and Canale, Vincenzo

Subjects
Physics, Coupling constant, Nuclear physics, Nuclear and High Energy Physics, Particle physics, Excited state, Cutoff, Upper and lower bounds
Abstract

The total and the differential cross sections for the reaction e+e− → γγ(γ) have been measured with the DELPHI detector at LEP using an integrated luminosity of 36.9 pb−1. The results agree with the QED predictions and consequently there is no evidence for non-standard channels with the same experimental signature. The lower limits obtained on the QED cutoff parameters are Λ+ > 143 GeV and Λ− > 120 GeV, and the lower bound on the mass of an excited electron with an effective coupling constant λγ = 1 is 132 GeV/c2. Upper limits on the branching ratios for the decays Z0 → γγ, Z0 → π0γ, Z0 → ηγ and Z0 → γγγ have been determined to be 5.5 × 10−5, 5.5 × 10−5, 8.0 × 10−5, and 1.7 × 10−5 respectively. All the limits are at the 95% confidence level.

Published
1994

3. Production of Λ and Λ correlations in the hadronic decays of the Z0

Author

P. Abreu, W. Adam, T. Adye, E. Agasi, R. Aleksan, G.D. Alekseev, A. Algeri, P. Allen, S. Almehed, S.J. Alvsvaag, U. Amaldi, A. Andreazza, P. Antilogus, W-D. Apel, R.J. Apsimon, Y. Arnoud, B. Åsman, J-E. Augustin, A. Augustinus, P. Baillon, P. Bambade, F. Barao, R. Barate, G. Barbiellini, D.Y. Bardin, G.J. Barker, A. Baroncelli, O. Barring, J.A. Barrio, W. Bartl, M.J. Bates, M. Battaglia, M. Baubillier, K-H. Becks, M. Begalli, P. Beilliere, Yu. Belokopytov, P. Beltran, D. Benedic, A.C. Benvenuti, M. Berggren, D. Bertrand, F. Bianchi, M.S. Bilenky, P. Billoir, J. Bjarne, D. Bloch, J. Blocki, S. Blyth, V. Bocci, P.N. Bogolubov, T. Bolognese, M. Bonesini, W. Bonivento, P.S.L. Booth, G. Borisov, H. Borner, C. Bosio, B. Bostjancic, S. Bosworth, O. Botner, E. Boudinov, B. Bouquet, C. Bourdarios, T.J.V. Bowcock, M. Bozzo, S. Braibant, P. Branchini, K.D. Brand, R.A. Brenner, H. Briand, C. Bricman, L. Brillault, R.C.A. Brown, P. Bruckman, J-M. Brunet, A. Budziak, L. Bugge, T. Buran, H. Burmeister, J.A.M.A. Buytaert, M. Caccia, M. Calvi, A.J. Camacho Rozas, R. Campion, T. Camporesi, V. Canale, F. Cao, F. Carena, L. Carroll, M.V. Castillo Gimenez, A. Cattai, F.R. Cavallo, L. Cerrito, V. Chabaud, A. Chan, Ph. Charpentier, L. Chaussard, J. Chauveau, P. Checchia, G.A. Chelkov, L. Chevalier, P. Chliapnikov, V. Chorowicz, J.T.M. Chrin, V. Cindro, P. Collins, J.L. Contreras, R. Contri, E. Cortina, G. Cosme, F. Couchot, H.B. Crawley, D. Crennell, G. Crosetti, J. Cuevas Maestro, S. Czellar, E. Dahl-Jensen, B. Dalmagne, M. Dam, G. Damgaard, G. Darbo, E. Daubie, A. Daum, P.D. Dauncey, M. Davenport, J. Davies, W. Da Silva, C. Defoix, P. Delpierre, N. Demaria, A. De Angelis, H. De Boeck, W. De Boer, S. De Brabandere, C. De Clercq, M.D.M. De Fez Laso, C. De La Vaissiere, B. De Lotto, A. De Min, H. Dijkstra, L. Di Ciaccio, J. Dolbeau, M. Donszelmann, K. Doroba, M. Dracos, J. Drees, M. Dris, Y. Dufour, F. Dupont, D. Edsall, L-O. Eek, P.A.-M. Eerola, R. Ehret, T. Ekelof, G. Ekspong, A. Elliot Peisert, M. Elsing, J-P. Engel, N. Ershaidat, M. Espirito Santo, V. Falaleev, D. Fassouliotis, M. Feindt, A. Ferrer, T.A. Filippas, A. Firestone, H. Foeth, E. Fokitis, F. Fontanelli, K.A.J. Forbes, J-L. Fousset, S. Francon, B. Franek, P. Frenkiel, D.C. Fries, A.G. Frodesen, F. Fulda-Quenzer, H. Furstenau, J. Fuster, D. Gamba, C. Garcia, J. Garcia, C. Gaspar, U. Gasparini, Ph. Gavillet, E.N. Gazis, J-P. Gerber, P. Giacomelli, D. Gillespie, R. Gokieli, B. Golob, V.M. Golovatyuk, J.J. Gomez Y Cadenas, G. Gopal, L. Gorn, M. Gorski, V. Gracco, A. Grant, F. Grard, E. Graziani, G. Grosdidier, E. Gross, B. Grossetete, S. Gumenyuk, J. Guy, U. Haedinger, F. Hahn, M. Hahn, S. Haider, Z. Hajduk, A. Hakansson, A. Hallgren, K. Hamacher, G.Hamel De Monchenault, W. Hao, F.J. Harris, V. Hedberg, T. Henkes, R. Henriques, J.J. Hernandez, P. Herquet, H. Herr, T.L. Hessing, I. Hietanen, C.O. Higgins, E. Higon, H.J. Hilke, S.D. Hodgson, T. Hofmokl, S-O. Holmgren, P.J. Holt, D. Holthuizen, P.F. Honore, M. Houlden, J. Hrubec, K. Huet, P.O. Hulth, K. Hultqvist, P. Ioannou, P-S. Iversen, J.N. Jackson, P. Jalocha, G. Jarlskog, P. Jarry, B. Jean-Marie, E.K. Johansson, M. Jonker, L. Jonsson, P. Juillot, G. Kalkanis, G. Kalmus, F. Kapusta, M. Karlsson, E. Karvelas, S. Katsanevas, E.C. Katsoufis, R. Keranen, B.A. Khomenko, N.N. Khovanski, B. King, N.J. Kjaer, H. Klein, A. Klovning, P. Kluit, A. Koch-Mehrin, J.H. Koehne, B. Koene, P. Kokkinias, M. Koratzinos, K. Korcyl, A.V. Korytov, V. Kostioukhine, C. Kourkoumelis, O. Kouznetsov, P.H. Kramer, M. Krammer, C. Kreuter, J. Krolikowski, I. Kronkvist, U. Kruener-Marquis, W. Kucewicz, K. Kulka, K. Kurvinen, C. Lacasta, C. Lambropoulos, J.W. Lamsa, L. Lanceri, V. Lapin, I. Last, J-P. Laugier, R. Lauhakangas, G. Leder, F. Ledroit, R. Leitner, Y. Lemoigne, J. Lemonne, G. Lenzen, V. Lepeltier, T. Lesiak, J.M. Levy, E. Lieb, D. Liko, J. Lindgren, R. Lindner, I. Lippi, B. Loerstad, M. Lokajicek, J.G. Loken, A. Lopez-Fernandez, M.A. Lopez Aguera, M. Los, D. Loukas, J.J. Lozano, P. Lutz, L. Lyons, G. Maehlum, J. Maillard, A. Maio, A. Malteros, F. Mandl, J. Marco, M. Margoni, J-C. Marin, A. Markou, T. Maron, S. Marti, C. Martinez-Rivero, F. Matorras, C. Matteuzzi, G. Matthiae, M. Mazzucato, M. Mc Cubbin, R. Mc Kay, R. Mc Nulty, J. Medbo, G. Meola, C. Meroni, W.T. Meyer, M. Michelotto, I. Mikulec, L. Mirabito, W.A. Mitaroff, G.V. Mitselmakher, U. Mjoernmark, T. Moa, R. Moeller, K. Moenig, M.R. Monge, P. Morettini, H. Mueller, W.J. Murray, G. Myatt, F.L. Navarria, P. Negri, S. Nemecek, R. Nicolaidou, B.S. Nielsen, B. Nijjhar, V. Nikolaenko, P.E.S. Nilsen, P. Niss, A. Nomerotski, V. Obraztsov, A.G. Olshevski, R. Orava, A. Ostankov, K. Osterberg, A. Ouraou, M. Peganoni, R. Pain, H. Palka, Th.D. Papadopoulou, L. Pape, F. Parodi, A. Passeri, M. Pegoraro, J. Pennanen, L. Peralta, H. Pernegger, M. Pernicka, A. Perrotta, C. Petridou, A. Petrolini, G. Piana, F. Pierre, M. Pimenta, S. Plaszczynski, O. Podobrin, M.E. Pol, G. Polok, P. Paropat, V. Pozdniakov, P. Privitera, A. Pullia, D. Radojicic, S. Ragazzi, H. Rahmani, J. Rames, P.N. Ratoff, A.L. Read, P. Rebecchi, N.G. Redaelli, M. Regler, D. Reid, P.B. Renton, L.K. Resvanis, F. Richard, J. Richardson, J. Ridky, G. Rinaudo, I. Roditi, A. Romero, I. Roncagliolo, P. Ronchese, C. Ronnqvist, E.I. Rosenberg, E. Rosso, P. Roudeau, T. Rovelli, W. Ruckstuhl, V. Ruhlmann-Kleider, A. Ruiz, H. Saarikko, Y. Sacquin, G. Sajot, J. Salt, J. Sanchez, M. Sannino, S. Schael, H. Schneider, M.A.E. Schyns, G. Sciolla, F. Scuri, A.M. Segar, A. Seitz, R. Sekulin, M. Sessa, R. Seufert, R.C. Shellard, I. Siccama, P. Siegrist, S. Simonetti, F. Simonetto, A.N. Sisakian, G. Skjevling, G. Smadja, O. Smirnova, G.R. Smith, R. Sosnowski, D. Souza-Santos, T. Spassov, E. Spiriti, S. Squarcia, H. Staeck, C. Stanescu, S. Stapnes, G. Stavropoulos, F. Stichelbaut, A. Stocchi, J. Strauss, J. Straver, R. Strub, B. Stugu, M. Szczekowski, M. Szeptycka, P. Szymanski, T. Tabarelli, O. Tchikilev, G.E. Theodosiou, A. Tilquin, J. Timmermans, V.G. Timofeev, L.G. Tkatchev, T. Todorov, D.Z. Toet, O. Toker, A. Tomaradze, B. Tome, E. Torassa, L. Tortora, D. Treille, W. Trischuk, G. Tristram, C. Troncon, A. Tsirou, E.N. Tsyganov, M-L. Turluer, T. Tuuva, I.A. Tyapkin, M. Tyndel, S. Tzamarias, S. Ueberschaer, O. Ullaland, V. Uvarov, G. Valenti, E. Vallazza, J.A. Valls Ferrer, C. Vander Velde, G.W. Van Apeldoorn, P. Van Dam, M. Van Der Heijden, W.K. Van Doninck, J. Van Eldik, P. Vaz, G. Vegni, L. Ventura, W. Venus, F. Verbeure, M. Verlato, L.S. Vertogradov, D. Vilanova, P. Vincent, L. Vitale, E. Vlasov, A.S. Vodopyanov, M. Vollmer, M. Voutilainen, V. Vrba, H. Wahlen, C. Walck, F. Waldner, A. Wehr, M. Weierstall, P. Weilhammer, A.M. Wetherell, J.H. Wickens, G.R. Wilkinson, W.S.C. Williams, M. Winter, M. Witek, G. Wormser, K. Woschnagg, N. Yamdagni, P. Yepes, A. Zaitsev, A. Zalewska, P. Zalewski, M. Zanin, D. Zavrtanik, E. Zevgolatakos, N.I. Zimin, M. Zito, D. Zontar, R. Zuberi, G. Zumerle, J. Zuniga, Delphi, Collaboration, Abreu, P., Adam, W., and Canale, Vincenzo

Subjects
Physics, Hadronic decay, Nuclear and High Energy Physics, Particle physics, Cluster decay, 010308 nuclear & particles physics, Electron–positron annihilation, Hadron, Elementary particle, 01 natural sciences, Nuclear physics, Baryon, Angular distribution, 0103 physical sciences, Mass spectrum, High Energy Physics::Experiment, 010306 general physics
Abstract

An analysis of the production of the Λ baryon in the hadronic decays of the Z0 is presented, based on about 993K multihadronic events collected by the DELPHI detector at LEP during 1991 and 1992. The differencial cross section of the Λ and the correlations between Λ and View the MathML source produced in the same event are compared to current models, based both on string fragmentation and on cluster decay. The predictions of the string fragmentation model are found to give satisfactory agreements with the data, clearly better than those of the cluster model.

Published
1993

4. Inclusive measurements of the production in hadronic Z0 decays

Author

P. Abreu, W. Adam, T. Adye, E. Agasi, I. Ajinenko, R. Aleksan, G.D. Alekseev, P.P. Allport, S. Almehed, S.J. Alvsvaag, U. Amaldi, S. Amato, A. Andreazza, M.L. Andrieux, P. Antilogus, W-D. Apel, Y. Arnoud, B. Åsman, J.-E. Augustin, A. Augustinus, P. Baillon, P. Bambade, F. Barao, R. Barate, D.Y. Bardin, G.J. Barker, A. Baroncelli, O. Barring, J.A. Barrio, W. Bartl, M.J. Bates, M. Battaglia, M. Baubillier, J. Baudot, K.-H. Becks, M. Begalli, P. Beilliere, Yu. Belokopytov, K. Belous, A.C. Benvenuti, M. Berggren, D. Bertrand, F. Bianchi, M. Bigi, M.S. Bilenky, P. Billoir, J. Bjarne, D. Bloch, M. Blume, S. Blyth, V. Bocci, T. Bolognese, M. Bonesini, W. Bonivento, P.S.L. Booth, G. Borisov, C. Bosio, B. Bostjancic, S. Bosworth, O. Botner, E. Boudinov, B. Bouquet, C. Bourdarios, T.J.V. Bowcock, M. Bozzo, P. Branchini, K.D. Brand, R.A. Brenner, C. Bricman, L. Brillault, R.C.A. Brown, P. Bruckman, J.-M. Brunet, L. Bugge, T. Buran, A. Buys, M. Caccia, M. Calvi, A.J. Camacho Rozas, T. Camporesi, V. Canale, M. Canepa, K. Cankocak, F. Cao, F. Carena, P. Carrilho, L. Carroll, C. Caso, V. Cassio, M.V. Castillo Gimenez, A. Cattai, F.R. Cavallo, L. Cerrito, V. Chabaud, Ph. Charpentier, L. Chaussard, J. Chauveau, P. Checchia, G.A. Chelkov, P. Chliapnikov, P. Chochula, V. Chorowicz, V. Cindro, P. Collins, J.L. Contreras, R. Contri, E. Cortina, G. Cosme, F. Cossutti, H.B. Crawley, D. Crennell, G. Crosetti, J. Cuevas Maestro, S. Czellar, E. Dahl-Jensen, J. Dahm, B. Dalmagne, M. Dam, G. Damgaard, A. Daum, P.D. Dauncey, M. Davenport, W. Da Silva, C. Defoix, G. Della Ricca, P. Delpierre, N. Demaria, A. De Angelis, H. De Boeck, W. De Boer, S. De Brabandere, C. De Clercq, C. De La Vaissiere, B. De Lotto, A. De Min, L. De Paula, C. De Saint-Jean, H. Dijkstra, L. Di Ciaccio, F. Djama, J. Dolbeau, M. Donszelmann, K. Doroba, M. Dracos, J. Drees, K.-A. Drees, M. Dris, Y. Dufour, F. Dupont, D. Edsall, R. Ehret, G. Eigen, T. Ekelof, G. Ekspong, M. Elsing, J.-P. Engel, N. Ershaidat, M. Espirito Santo, V. Falaleev, D. Fassouliotis, M. Feindt, A. Ferrer, T.A. Filippas, A. Firestone, H. Foeth, E. Fokitis, F. Fontanelli, F. Formenti, B. Franek, P. Frenkiel, D.C. Fries, A.G. Frodesen, R. Fruhwirth, F. Fulda-Quenzer, H. Furstenau, J. Fuster, D. Gamba, M. Gandelman, C. Garcia, J. Garcia, C. Gaspar, U. Gasparini, Ph. Gavillet, E.N. Gazis, D. Gele, J.-P. Gerber, D. Gillespie, R. Gokieli, B. Golob, G. Gopal, L. Gorn, M. Gorski, V. Gracco, F. Grard, E. Graziani, G. Grosdidier, P. Gunnarsson, M. Gunther, J. Guy, U. Haedinger, F. Hahn, M. Hahn, S. Hahn, S. Haider, Z. Hajduk, A. Hakansson, A. Hallgren, K. Hamacher, W. Hao, F.J. Harris, V. Hedberg, R. Henriques, J.J. Hernandez, P. Herquet, H. Herr, T.L. Hessing, E. Higon, H.J. Hilke, T.S. Hill, S.-O. Holmgren, P.J. Holt, D. Holthuizen, M. Houlden, J. Hrubec, K. Huet, K. Hultqvist, P. Ioannou, J.N. Jackson, R. Jacobsson, P. Jalocha, R. Janik, G. Jarlskog, P. Jarry, B. Jean-Marie, E.K. Johansson, L. Jonsson, C. Joram, P Juillot, M. Kaiser, G. Kalmus, F. Kapusta, M. Karlsson, E. Karvelas, S. Katsanevas, E.C. Katsoufis, R. Keranen, B.A. Khomenko, N.N. Khovanski, B. King, N.J. Kjaer, H. Klein, A. Klovning, P. Kluit, J.H. Koehne, B. Koene, P. Kokkinias, M. Koratzinos, V. Kostioukhine, C. Kourkoumelis, O. Kouznetsov, P.-H. Kramer, C. Kreuter, J. Krolikowski, I. Kronkvist, Z. Krumstein, W. Krupinski, P. Kubinec, W. Kucewicz, K. Kurvinen, C. Lacasta, I. Laktineh, S. Lamblot, J.W. Lamsa, L. Lanceri, D.W. Lane, P. Langefeld, V. Lapin, I. Last, J.-P. Laugier, R. Lauhakangas, G. Leder, F. Ledroit, V. Lefebure, C.K. Legan, R. Leitner, Y. Lemoigne, J. Lemonne, G. Lenzen, V. Lepeltier, T. Lesiak, D. Liko, R. Lindner, A. Lipniacka, I. Lippi, B. Loerstad, M. Lokajicek, J.G. Loken, J.M. Lopez, A. Lopez-Fernandez, M.A. Lopez Aguera, D. Loukas, P Lutz, L. Lyons, J. MacNaughton, G. Maehlum, A. Maio, V. Malychev, F. Mandl, J. Marco, B. Marechal, M. Margoni, J.-C. Marin, C. Mariotti, A. Markou, T. Maron, C. Martinez-Rivero, F. Martinez-Vidal, S.Marti i Garcia, F. Matorras, C. Matteuzzi, G. Matthiae, M. Mazzucato, M. Mc Cubbin, R. Mc Kay, R. Mc Nulty, J. Medbo, C. Meroni, W.T. Meyer, M. Michelotto, E. Mighore, L. Mirabito, W.A. Mitaroff, U. Mjoernmark, T. Moa, R. Moeller, K. Moenig, M.R. Monge, P. Morettini, H. Mueller, L.M. Mundim, W.J. Murray, B. Muryn, G. Myatt, F. Naraghi, F.L. Navarria, S. Navas, P. Negri, S. Nemecek, W. Neumann, N. Neumeister, R. Nicolaidou, B.S. Nielsen, V. Nikolaenko, P. Niss, A. Nomerotski, A. Normand, W. Oberschulte-Beckmann, V. Obraztsov, A.G. Olshevski, A. Onofre, R. Orava, K. Osterberg, A. Ouraou, P. Paganini, M. Paganoni, P. Pages, H. Palka, Th.D. Papadopoulou, L. Pape, F. Parodi, A. Passeri, M. Pegoraro, J. Pennanen, H. Pernegger, M. Pernicka, A. Perrotta, C. Petridou, A. Petrolini, H.T. Phillips, G. Piana, F. Pierre, M. Pimenta, S. Plaszczynski, O. Podobrin, M.E. Pol, G. Polok, P. Poropat, V. Pozdniakov, M. Prest, P. Privitera, A. Pullia, D. Radojicic, S. Ragazzi, H. Rahmani, J. Rames, P.N. Ratoff, A.L. Read, M. Reale, P. Rebecchi, N.G. Redaelli, M. Regler, D. Reid, P.B. Renton, L.K. Resvanis, F. Richard, J. Richardson, J. Ridky, G. Rinaudo, I. Ripp, A. Romero, I. Roncagliolo, P. Ronchese, L. Roos, E.I. Rosenberg, E. Rosso, P. Roudeau, T. Rovelli, W. Ruckstuhl, V. Ruhlmann-Kleider, A. Ruiz, K. Rybicki, H. Saarikko, Y. Sacquin, A. Sadovsky, G. Sajot, J. Salt, J. Sanchez, M. Sannino, H. Schneider, M.A.E. Schyns, G. Sciolla, F. Scuri, Y. Sedykh, A.M. Segar, A. Seitz, R. Sekulin, R.C. Shellard, I. Siccama, P. Siegrist, S. Simonetti, F. Simonetto, A.N. Sisakian, B. Sitar, T.B. Skaali, G. Smadja, N. Smirnov, O. Smirnova, G.R. Smith, R. Sosnowski, D. Souza-Santos, T. Spassov, E. Spiriti, S. Squarcia, H. Staeck, C. Stanescu, S. Stapnes, I. Stavitski, K. Stepaniak, F. Stichelbaut, A. Stocchi, J. Strauss, R. Strub, B. Stugu, M. Szczekowski, M. Szeptycka, T. Tabarelli, J.P. Tavernet, O. Tchikilev, A. Tilquin, J. Timmermans, L.G. Tkatchev, T. Todorov, D.Z. Toet, A. Tomaradze, B. Tome, E. Torassa, L. Tortora, G. Transtromer, D. Treille, W. Trischuk, G. Tristram, A. Trombini, C. Troncon, A. Tsirou, M.-L. Turluer, I.A. Tyapkin, M. Tyndel, S. Tzamarias, B. Ueberschaer, S. Ueberschaer, O. Ullaland, V. Uvarov, G. Valenti, E. Vallazza, C. Vander Velde, G.W. Van Apeldoorn, P. Van Dam, W.K. Van Doninck, J. Van Eldik, G. Vegni, L. Ventura, W. Venus, F. Verbeure, M. Verlato, L.S. Vertogradov, D. Vilanova, P. Vincent, L. Vitale, E. Vlasov, A.S. Vodopyanov, M. Voutilainen, V. Vrba, H. Wahlen, C. Walck, F. Waldner, A. Wehr, M. Weierstall, P. Weilhammer, A.M. Wetherell, D. Wicke, J.H. Wickens, M. Wielers, G.R. Wilkinson, W.S.C. Williams, M. Winteri, M. Witek, G. Wormser, K. Woschnagg, K. Yip, L. Yu, O. Yushchenko, F. Zach, A. Zaitsev, A. Zalewska, P. Zalewski, D. Zavrtanik, E. Zevgolatakos, N.I. Zimin, M. Zito, D. Zontar, R. Zuberi, G.C. Zucchelli, G. Zumerle, Delphi, Collaboration, Abreu, P., Adam, W., and Canale, Vincenzo

Subjects
Scattering cross-section, Physics, Nuclear and High Energy Physics, Particle physics, Logarithm, 010308 nuclear & particles physics, Electron–positron annihilation, Hadron, Parton, Multiplicity (mathematics), 01 natural sciences, Nuclear physics, 0103 physical sciences, High Energy Physics::Experiment, 010306 general physics, Maxima
Abstract

This analysis, based on a sample of 170000 hadronic Z0 decays, provides a measurement of the K± and p/View the MathML source differential cross sections which is compared to string- and cluster fragmentation models. The total multiplicities for K± and p/View the MathML source per hadronic event were found to be: NK = 2.26 ± 0.18 and Np = 1.07 ± 0.14. The positions ξ* of the maxima of the differential cross sections as a function of ξ = ln(1/xp) for K± and p/View the MathML source were determined to be 2.63 ± 0.07 and 2.96 ± 0.16 respectively. A comparison of the ξ* values for various identified particles measured at LEP with the prediction of the Modified Leading Logarithm Approximation with Local Parton Hadron Duality model has been performed. The measured ξ* position as a function of the hadron mass, after corrections due to particle decays, is in agreement with the model calculation.

Published
1995

5. Interference of Neutral Kaons In the Hadronic Decays of the Z(0)

Author

P Abreu, W Adam, T Adye, E Agasi, I Ajinenko, R Aleksan, G.D Alekseev, A Algeri, P Allport, S Almehed, S.J Alvsvaag, U Amaldi, A Andreazza, P Antilogus, W.-D Apel, R.J Apsimon, Y Arnoud, B Åsman, J.-E Augustin, A Augustinus, P Baillon, P Bambade, F Barao, R Barate, G Barbiellini, D.Y Bardin, G.J Barker, A Baroncelli, O Barring, J.A Barrio, W Bartl, M.J Bates, M Battaglia, M Baubillier, M Begalli, P Beilliere, P Beltran, A.C Benvenuti, M Berggren, D Bertrand, F Bianchi, M Bigi, M.S Bilenky, P Billoir, J Bjarne, D Bloch, J Blocki, M Blume, S Blyth, V Bocci, P.N Bogolubov, T Bolognese, M Bonesini, W Bonivento, P.S.L Booth, G Borisov, H Borner, C Bosio, B Bostjancic, S Bosworth, O Botner, B Bouquet, C Bourdarios, T.J.V Bowcock, M Bozzo, S Braibant, P Branchini, K.D Brand, T Brenke, R.A Brenner, H Briand, C Bricman, L Brillault, R.C.A Brown, P Bruckman, J.-M Brunet, A Budziak, L Bugge, T Buran, H Burmeister, A Buys, J.A.M.A Buytaert, M Caccia, M Calvi, A.J Camacho Rozas, R Campion, T Camporesi, V Canale, K Cankocak, F Cao, F Carena, L Carroll, M.V Castillo Gimenez, A Cattai, F.R Cavallo, L Cerrito, V Chabaud, A Chan, M Chapkin, Ph Charpentier, J Chauveau, P Checchia, G.A Chelkov, L Chevalier, P Chliapnikov, V Chorowicz, J.T.M Chrin, V Cindro, P Collins, J.L Contreras, R Contri, E Cortina, G Cosme, F Couchot, H.B Crawley, D Crennell, G Crosetti, J.Cuevas Maestro, S Czellar, E Dahl-Jensen, J Dahm, B Dalmagne, M Dam, G Damgaard, E Daubie, A Daum, P.D Dauncey, M Davenport, J Davies, W Da Silva, C Defoix, P Delpierre, N Demaria, A De Angelis, H De Boeck, W De Boer, S De Brabandere, C De Clercq, M.D.M De Fez Laso, C De La Vaissiere, B De Lotto, A De Min, H Dijkstra, L Di Ciacco, F Djama, J Dolbeau, M Donszelmann, K Doroba, M Dracos, J Drees, M Dris, Y Dufour, F Dupont, D Edsall, L.-O Eek, P.A.-M Eerola, R Ehret, T Ekelof, G Ekspong, A.Elliot Peisert, M Elsing, J.-P Engel, N Ershaidat, M Espirito Santo, V Falaleev, D Fassouliotis, M Feindt, A Fenyuk, A Ferrer, T.A Filippas, A Firestone, H Foeth, E Fokitis, F Fontanelli, K.A.J Forbes, J.-L Fousset, S Francon, B Franek, P Frenkiel, D.C Fries, A.G Frodesen, R Fruhwirth, F Fulda-Quenzer, H Furstenau, J Fuster, D Gamba, M Gandelman, C Garcia, J Garcia, C Gaspar, U Gasparini, Ph Gavillet, E.N Gazis, J.-P Gerber, P Giacomelli, D Gillespie, R Gokieli, B Golob, V.M Golovatyuk, J.J Gomez Y Cadenas, G Gopal, L Gorn, M Gorski, V Gracco, A Grant, F Grard, E Graziani, G Grosdidier, E Gross, B Grossetete, P Gunnarsson, J Guy, U Haedinger, F Hahn, M Hahn, S Hahn, S Haider, Z Hajduk, A Hakansson, A Hallgren, K Hamacher, G Hamel De Monchenault, W Hao, F.J Harris, V Hedberg, T Henkes, R Henriques, J.J Hernandez, J.A Hernando, P Herquet, H Herr, T.L Hessing, I Hietanen, C.O Higgins, E Higon, H.J Hilke, T.S Hill, S.D Hodgson, T Hofmokl, S.-O Holmgren, P.J Holt, D Holthuizen, P.F Honore, M Houlden, J Hrubec, K Huet, K Hultqvist, P Ioannou, P.-S Iversen, J.N Jackson, R Jacobsson, P Jalocha, G Jarlskog, P Jarry, B Jean-Marie, E.K Johansson, M Jonker, L Jonsson, P Juillot, G Kalkanis, G Kalmus, F Kapusta, M Karlsson, E Karvelas, S Katsanevas, E.C Katsoufis, R Keranen, B.A Khomenko, N.N Khovanski, B King, N.J Kjaer, H Klein, A Klovning, P Kluit, A Koch-Mehrin, J.H Koehne, B Koene, P Kokkinias, M Koratzinos, A.V Korytov, V Kostioukhine, C Kourkoumelis, O Kouznetsov, P.H Kramer, M Krammer, C Kreuter, J Krolikowski, I Kronkvist, W Kucewicz, K Kulka, K Kurvinen, C Lacasta, C Lambropoulos, J.W Lamsa, L Lanceri, P Langefeld, V Lapin, I Last, J.-P Laugier, R Lauhakangas, G Leder, F Ledroit, R Leitner, Y Lemoigne, J Lemonne, G Lenzen, V Lepeltier, J.M Levy, E Lieb, D Liko, J Lindgren, R Lindner, A Lipniacka, I Lippi, B Loerstad, M Lokajicek, J.G Loken, A Lopez-Fernandez, M.A Lopez Aguera, M Los, D Loukas, J.J Lozano, P Lutz, L Lyons, G Maehlum, J Maillard, A Maio, A Maltezos, J Marco, M Margoni, J.-C Marin, C Mariotti, A Markou, T Maron, S Marti, C Martinez-Rivero, F Martinez-Vidal, F Matorras, C Matteuzzi, G Matthiae, M Mazzucato, M Mc Cubbin, R Mc Kay, R Mc Nulty, J Medbo, C Meroni, W.T Meyer, M Michelotto, I Mikulec, L Mirabito, W.A Mitaroff, G.V Mitselmakher, U Mjoernmark, T Moa, R Moeller, K Moenig, M.R Monge, P Morettini, H Mueller, W.J Murray, B Muryn, G Myatt, F Naraghi, F.L Navarria, P Negri, S Nemecek, W Neumann, N Neumeister, R Nicolaidou, B.S Nielsen, P.E.S Nilsen, P Niss, A Nomerotski, V Obraztsov, A.G Olshevski, R Orava, A Ostankov, K Osterberg, A Ouraou, P Paganini, M Paganoni, R Pain, H Palka, Th.D Papadopoulou, L Pape, F Parodi, A Passeri, M Pegoraro, J Pennanen, L Peralta, H Pernegger, M Pernicka, A Perrotta, C Petridou, A Petrolini, G Piana, F Pierre, M Pimenta, S Plaszczynski, O Podobrin, M.E Pol, G Polok, P Poropat, V Pozdniakov, M Prest, P Privitera, A Pullia, D Radojicic, S Ragazzi, H Rahmani, J Rames, P.N Ratoff, A.L Read, M Reale, P Rebecchi, N.G Redaelli, M Regler, D Reid, P.B Renton, L.K Resvanis, F Richard, J Richardson, J Ridky, G Rinaudo, A Romero, I Roncagliolo, P Ronchese, C Ronnqvist, E.I Rosenberg, E Rosso, P Roudeau, T Rovelli, W Ruckstuhl, V Ruhlmann-Kleider, A Ruiz, K Rybicki, A Rybin, H Saarikko, Y Sacquin, G Sajot, J Salt, J Sanchez, M Sannino, S Schael, H Schneider, M.A.E Schyns, G Sciolla, F Scuri, A.M Segar, A Seitz, R Sekulin, M Sessa, R Seufert, R.C Shellard, I Siccama, P Siegrist, S Simonetti, F Simonetto, A.N Sisakian, G Skjevling, G Smadja, N Smirnov, O Smirnova, G.R Smith, R Sosnowski, D Souza-Santos, T Spassov, E Spiriti, S Squarcia, C Stanescu, S Stapnes, G Stavropoulos, F Stichelbaut, A Stocchi, J Strauss, J Straver, R Strub, B Stugu, M Szczekowski, M Szeptycka, P Szymanski, T Tabarelli, O Tchikilev, G.E Theodosiou, A Tilquin, J Timmermans, V.G Timofeev, L.G Tkatchev, T Todorov, D.Z Toet, O Toker, A Tomaradze, B Tome, E Torassa, L Tortora, D Treille, W Trischuk, G Tristram, C Troncon, A Tsirou, E.N Tsyganov, M Turala, M.-L Turluer, T Tuuva, I.A Tyapkin, M Tyndel, S Tzamarias, B Ueberschaer, S Ueberschaer, O Ullaland, G Valenti, E Vallazza, J.A Valls Ferrer, C Vander Velde, G.W Van Apeldoorn, P Van Dam, M Van Der Heijden, W.K Van Doninck, J Van Eldik, P Vaz, G Vegni, L Ventura, W Venus, F Verbeure, M Verlato, L.S Vertogradov, D Vilanova, P Vincent, L Vitale, E Vlasov, A.S Vodopyanov, M Vollmer, M Voutilainen, V Vrba, H Wahlen, C Walck, F Waldner, A Wehr, M Weierstall, P Weilhammer, A.M Wetherell, J.H Wickens, M Wielers, G.R Wilkinson, W.S.C Williams, M Winter, G Wormser, K Woschnagg, A Zaitsev, A Zalewska, D Zavrtanik, E Zevgolatakos, N.I Zimin, M Zito, D Zontar, R Zuberi, G Zumerle, J Zuniga, 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 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), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Physique Corpusculaire et Cosmologie - Collège de France (PCC), Collège de France (CdF)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut de Recherches Subatomiques (IReS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Cancéropôle du Grand Est-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), Centre de Physique des Particules de Marseille (CPPM), 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, Delphi (IHEF, IoP, FNWI), 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), 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 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), Delphi, Collaboration, Abreu, P., Adam, W., and Canale, Vincenzo

Subjects
Nuclear and High Energy Physics, Particle physics, E+E ANNIHILATION, e+e- annihilation, LUND MONTE-CARLO, Electron–positron annihilation, Hadron, Monte Carlo method, Elementary particle, BOSE-EINSTEIN CORRELATIONS, JET FRAGMENTATION, COHERENCE, PARTICLES, PHYSICS, PAIRS, Interference (wave propagation), 01 natural sciences, Bose-Einstein correlation, Nuclear physics, Particle decay, DELPHI, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Nuclear Experiment, 010306 general physics, Physics, 010308 nuclear & particles physics, Radius, Mass spectrum, High Energy Physics::Experiment, Particle Physics - Experiment
Abstract

K0SK0S correlations have been studied in a sample of 717 511 hadronic events collected by the DELPHI detector at LEP during 1992. An enhancement is found in the production of pairs of K0S of similar momenta, as compared with a Monte Carlo simulated reference sample. The measured values for the strength of the correlation and the radius of the emitting source of kaons are λ = 1.13 ± 0.54 (stat) ± 0.23 (syst) and r = 0.90 ± 0.19 (stat) ± 0.10 (syst) fm. This enhancement is consistent with the hypothesis that K0SK0S pairs display an enhancement, regardless of whether they come from a K0K0 or from a K0K0 (K0K0) system.

Published
1994

6. Measurement of time dependent mixing

Author

P. Abreu, W. Adam, T. Adye, E. Agasi, I. Ajinenko, R. Aleksan, G.D. Alekseev, P.P. Allport, S. Almehed, F.M.L. Almeida, S.J. Alvsvaag, U. Amaldi, A. Andreazza, P. Antilogus, W-D. Apel, R.J. Apsimon, Y. Arnoud, B. Åsman, J-E. Augustin, A. Augustinus, P. Baillon, P. Bambade, F. Barao, R. Barate, D.Y. Bardin, G.J. Barker, A. Baroncelli, O. Barring, J.A. Barrio, W. Bartl, M.J. Bates, M. Battaglia, M. Baubillier, J. Bausot, K-H. Becks, M. Begalli, P. Beilliere, K. Belous, P. Beltran, A.C. Benvenuti, M. Berggren, D. Bertrand, F. Bianchi, M. Bigi, M.S. Bilenky, P. Billoir, J. Bjarne, D. Bloch, J. Blocki, S. Blyth, V. Bocci, P.N. Bogolubov, T. Bolognese, M. Bonesini, W. Bonivento, P.S.L. Booth, G. Borisov, C. Bosio, B. Bostjancic, S. Bosworth, O. Botner, B. Bouquet, C. Bourdarios, T.J.V. Bowcock, M. Bozzo, S. Braibant, P. Branchini, K.D. Brand, R.A. Brenner, H. Briand, C. Bricman, L. Brillault, R.C.A. Brown, P. Bruckman, J-M. Brunet, L. Bugge, T. Buran, A. Buys, M. Caccia, M. Calvi, A.J. Camacho Rozas, R. Campion, T. Camporesi, V. Canale, K. Cankocak, F. Cao, F. Carena, P. Carrilho, L. Carroll, R. Cases, C. Caso, M.V. Castillo Gimenez, A. Cattai, F.R. Cavallo, L. Cerrito, V. Chabaud, A. Chan, Ph. Charpentier, L. Chaussard, J. Chauveau, P. Checchia, G.A. Chelkov, P. Chliapnikov, V. Chorowicz, J.T.M. Chrin, V. Cindro, P. Collins, J.L. Contreras, R. Contri, E. Cortina, G. Cosme, F. Cossutti, F. Couchot, H.B. Crawley, D. Crennell, G. Crosetti, J. Cuevas Maestro, S. Czellar, E. Dahl-Jensen, J. Dahm, B. Dalmagne, M. Dam, G. Damgaard, E. Daubie, A. Daum, P.D. Dauncey, M. Davenport, J. Davies, W. Da Silva, C. Defoix, G. Della Ricca, P. Delpierre, N. Demaria, A. De Angelis, H. De Boeck, W. De Boer, S. De Brabandere, C. De Clercq, M.D.M. De Fez Laso, C. De La Vaissiere, B. De Lotto, A. De Min, L. De Paula, C. De Saint-Jean, H. Dijkstra, L. Di Ciaccio, F. Djama, J. Dolbeau, M. Donszelmann, K. Doroba, M. Dracos, J. Drees, M. Dris, Y. Dufour, F. Dupont, D. Edsall, R. Ehret, T. Ekelof, G. Ekspong, M. Elsing, J-P. Engel, N. Ershaidat, M. Espirito Santo, D. Fassouliotis, M. Feindt, A. Ferrer, T.A. Filippas, A. Firestone, H. Foeth, E. Fokitis, F. Fontanelli, F. Formenti, J-L. Fousset, B. Franek, P. Frenkiel, D.C. Fries, A.G. Frodesen, R. Fruhwirth, F. Fulda-Quenzer, H. Furstenau, J. Fuster, D. Gamba, M. Gandelman, C. Garcia, J. Garcia, C. Gaspar, U. Gasparini, Ph. Gavillet, E.N. Gazis, D. Gele, J-P. Gerber, D. Gillespie, R. Gokieli, B. Golob, V.M. Golovatyuk, J.J. Gomez Y Cadenas, G. Gopal, L. Gorn, M. Gorski, V. Gracco, F. Grard, E. Graziani, G. Grosdidier, P. Gunnarsson, J. Guy, U. Haedinger, F. Hahn, M. Hahn, S. Hahn, S. Haider, Z. Hajduk, A. Hakansson, A. Hallgren, K. Hamacher, W. Hao, F.J. Harris, V. Hedberg, R. Henriques, J.J. Hernandez, J.A. Hernando, P. Herquet, H. Herr, T.L. Hessing, E. Higon, H.J. Hilke, T.S. Hill, S-O. Holmgren, P.J. Holt, D. Holthuizen, P.F. Honore, M. Houlden, J. Hrubec, K. Huet, K. Hultqvist, P. Ioannou, P-S. Iversen, J.N. Jackson, R. Jacobsson, P. Jalocha, G. Jarlskog, P. Jarry, B. Jean-Marie, E.K. Johansson, L. Jonsson, P. Juillot, M. Kaiser, G. Kalmus, F. Kapusta, M. Karlsson, E. Karvelas, A. Katargin, S. Katsanevas, E.C. Katsoufis, R. Keranen, B.A. Khomenko, N.N. Khovanski, B. King, N.J. Kjaer, H. Klein, A. Klovning, P. Kluit, A. Koch-Mehrin, J.H. Koehne, B. Koene, P. Kokkinias, M. Koratzinos, A.V. Korytov, V. Kostioukhine, C. Kourkoumelis, O. Kouznetsov, P.-H. Kramer, M. Krammer, C. Kreuter, J. Krolikowski, I. Kronkvist, W. Krupinski, W. Kucewicz, K. Kulka, K. Kurvinen, C. Lacasta, I. Laktineh, C. Lambropoulos, J.W. Lamsa, L. Lanceri, P. Langefeld, V. Lapin, I. Last, J-P. Laugier, R. Lauhakangas, G. Leder, F. Ledroit, R. Leitner, Y. Lemoigne, J. Lemonne, G. Lenzen, V. Lepeltier, T. Lesiak, J.M. Levy, E. Lieb, D. Liko, R. Lindner, A. Lipniacka, I. Lippi, B. Loerstad, M. Lokajicek, J.G. Loken, A. Lopez-Fernandez, M.A. Lopez Aguera, M. Los, D. Loukas, J.J. Lozano, P. Lutz, L. Lyons, G. Maehlum, J. Maillard, A. Maio, A. Maltezos, F. Mandl, J. Marco, B. Marechal, M. Margoni, J-C. Marin, C. Mariotti, A. Markou, T. Maron, S. Marti, C. Martinez-Rivero, F. Martinez-Vidal, F. Matorras, C. Matteuzzi, G. Matthiae, M. Mazzucato, M. Mc Cubbin, R. Mc Kay, R. Mc Nulty, J. Medbo, C. Meroni, W.T. Meyer, M. Michelotto, E. Migliore, I. Mikulec, L. Mirabito, W.A. Mitaroff, G.V. Mitselmakher, U. Mjoernmark, T. Moa, R. Moeller, K. Moenig, M.R. Monge, P. Morettini, H. Mueller, W.J. Murray, B. Muryn, G. Myatt, F. Naraghi, F.L. Navarria, P. Negri, S. Nemecek, W. Neumann, R. Nicolaidou, B.S. Nielsen, V. Nikolaenko, P. Niss, A. Nomerotski, A. Normand, V. Obraztsov, A.G. Olshevski, R. Orava, K. Osterberg, A. Ouraou, P. Paganini, M. Paganoni, R. Pain, H. Palka, Th.D. Papadopoulou, L. Pape, F. Parodi, A. Passeri, M. Pegoraro, J. Pennanen, L. Peralta, V. Perevozchikov, H. Pernegger, M. Pernicka, A. Perrotta, C. Petridou, A. Petrolini, H.T. Phillips, G. Piana, F. Pierre, M. Pimenta, S. Plaszczynski, O. Podobrin, M.E. Pol, G. Polok, P. Poropat, V. Pozdniakov, M. Prest, P. Privitera, A. Pullia, D. Radojicic, S. Ragazzi, H. Rahmani, J. Rames, P.N. Ratoff, A.L. Read, M. Reale, P. Rebecchi, N.G. Redaelli, M. Regler, D. Reid, P.B. Renton, L.K. Resvanis, F. Richard, J. Richardson, J. Ridky, G. Rinaudo, I. Ripp, A. Romero, I. Roncagliolo, P. Ronchese, L. Roos, E.I. Rosenberg, E. Rosso, P. Roudeau, T. Rovelli, W. Ruckstuhl, V. Ruhlmann-Kleider, A. Ruiz, H. Saarikko, Y. Sacquin, G. Sajot, J. Salt, J. Sanchez, M. Sannino, H. Schneider, M.A.E. Schyns, G. Sciolla, F. Scuri, A.M. Segar, A. Seitz, R. Sekulin, R. Seufert, R.C. Shellard, I. Siccama, P. Siegrist, S. Simonetti, F. Simonetto, A.N. Sisakian, T.B. Skaali, G. Smadja, N. Smirnov, O. Smirnova, G.R. Smith, R. Sosnowski, D. Souza-Santos, T. Spassov, E. Spiriti, S. Squarcia, H. Staeck, C. Stanescu, S. Stapnes, I. Stavitski, G. Stavropoulos, K. Stepaniak, F. Stichelbaut, A. Stocchi, J. Strauss, J. Straver, R. Strub, B. Stugu, M. Szczekowski, M. Szeptycka, T. Tabarelli, O. Tchikilev, G.E. Theodosiou, Z. Thome, A. Tilquin, J. Timmermans, V.G. Timofeev, L.G. Tkatchev, T. Todorov, D.Z. Toet, A. Tomaradze, B. Tome, E. Torassa, L. Tortora, G. Transtromer, D. Treille, W. Trischuk, G. Tristram, C. Troncon, A. Tsirou, E.N. Tsyganov, M-L. Turluer, T. Tuuva, I.A. Tyapkin, M. Tyndel, S. Tzamarias, B. Ueberschaer, S. Ueberschaer, O. Ullaland, V. Uvarov, G. Valenti, E. Vallazza, J.A. Valls Ferrer, C. Vander Velde, G.W. Van Apeldoorn, P. Van Dam, M. Van Der Heijden, W.K. Van Doninck, J. Van Eldik, G. Vegni, L. Ventura, W. Venus, F. Verbeure, M. Verlato, L.S. Vertogradov, D. Vilanova, P. Vincent, L. Vitale, E. Vlasov, A.S. Vodopyanov, M. Vollmer, M. Voutilainen, V. Vrba, H. Wahlen, C. Walck, F. Waldner, A. Wehr, M. Weierstall, P. Weilhammer, A.M. Wetherell, J.H. Wickens, M. Wielers, G.R. Wilkinson, W.S.C. Williams, M. Winter, M. Witek, G. Wormser, K. Woschnagg, K. Yip, O. Yushchenko, F. Zach, A. Zaitsev, A. Zalewska, P. Zalewski, D. Zavrtanik, E. Zevgolatakos, N.I. Zimin, M. Zito, D. Zontar, R. Zuberi, G. Zumerle, Delphi, Collaboration, Abreu, P., Adam, W., and Canale, Vincenzo

Subjects
Physics, Nuclear and High Energy Physics, Meson, 010308 nuclear & particles physics, Electron–positron annihilation, Hadron, Charge (physics), 01 natural sciences, b-tagging, Nuclear physics, 0103 physical sciences, Large Electron–Positron Collider, High Energy Physics::Experiment, Atomic physics, Nuclear Experiment, 010306 general physics, Mixing (physics)
Abstract

The time dependent mixing of View the MathML source mesons has been observed by using the correlations between the charge of D∗ mesons and the weighted mean charge of particles in each hemisphere. From a reconstructed D∗± sample corresponding to about 1.7 million hadronic Z0 decays, the mass difference between the two Bd0 mass eigenstates has been measured to be View the MathML source or, converting into eV/c2: Δm = [3.29 ± 0.79 (stat) ± 0.39 (syst.)] 10−4 eV/c2.

Published
1994

7. A measurement of the tau lifetime

Author

C. Gaspar, S. Francon, M. Jonker, A. B. Fenyuk, Andrea Perrotta, W. Da Silva, E. Graziani, M. Crozon, R. Mc Nulty, P. Vaz, Luis Peralta, E. Dahl-Jensen, F. Simonetto, P. Abreu, G. Smadja, T. Maron, O.M. Kouznetsov, C. Bricman, A. Elliot Peisert, M. Fernandez Alonso, M. Bozzo, A. Pullia, V. Obraztsov, C. Vander Velde, Stefano Ragazzi, A. Hakansson, V. Lepeltier, D. Vilanova, P. Van Dam, J-C. Marin, M. Szeptycka, Rupert Leitner, J. Kesteman, G. D. Alekseev, G. Darbo, B. Jean-Marie, N. Ershaidat, G. Skjevling, M. Mc Cubbin, A. Hallgren, K. Hultqvist, Georgios Stavropoulos, M. Tyndel, T.A. Filippas, K. Woschnagg, T. Todorov, F. Mandl, Ph. Gavillet, I. Lippi, L. Mathis, H. P. Borner, Stefan Schael, H. Furstenau, A. Ferrer, O. Tchikilev, M. Voutilainen, G. Grosdidier, A. Rybin, F. Carena, Louis Lyons, Juan Abel Barrio, J.E. Hooper, B. Loerstad, V. Lapin, M.A.E. Schyns, A. N. Sisakian, M. A. Winter, M. Dracos, P. V. Chliapnikov, R. Aleksan, B. Bostjancic, A. Daum, L. K. Resvanis, U. Gasparini, M. Davenport, A. Romero, B.S. Nielsen, O. Botner, Guido Barbiellini, J. Guy, Tim Adye, M. Richardson, Claire Bourdarios, J. P. Gerber, W.S.C. Williams, T. Henkes, B. De Lotto, Evgueni Vlasov, M. Szczekowski, M. Koratzinos, Maria Elena Pol, S. Katsanevas, J.-E. Augustin, W.A. Mitaroff, H. Burmeister, D. Y. Bardin, R. Fruhwirth, A. Ruiz, C. Defoix, M. Witek, H. Herr, G. W. Van Apeldoorn, P. F. Honore, G. Rinaudo, R. Campion, Massimo Caccia, J. T.M. Chrin, Vladimir Nikolaenko, Itzhak Roditi, R. Pain, L. G. Tkatchev, G. Leder, A. Seitz, J. Timmermans, G. Sciolla, Y. Lemoigne, J. Werner, H. Pernegger, W. K. van Doninck, M. Margoni, M. Michelotto, C. J. Beeston, K. Kulka, Robert S. Brown, E. Cortina, D. Johnson, R. Ehret, H. Staeck, B. Nijjhar, J. Davies, A. Baroncelli, P. Jalocha, H. Saarikko, O. Podobrin, A. Wehr, V. Canale, M.A. Lopez Aguera, Francesca Romana Cavallo, P. Niss, S. Tzamarias, Eugene P. Gross, A. Chan, B. Dalmagne, E. Rosso, H. Klein, T. S. Spassoff, L. Ventura, M.P. Clara, A. De Min, I. Siccama, T. Tabarelli, M. Dris, U. Kruener-Marquis, W. Ruckstuhl, W.T. Meyer, Mitchell Wayne, I. Hietanen, Laurent Chevalier, M. Houlden, M. Mazzucato, F. Hahn, H. Mueller, G. Sajot, V. Chorowicz, P.H. Kramer, E. Lieb, K. Osterberg, F. Parodi, J. J. Gomez Y Cadenas, F. Richard, R. Sekulin, J. Hrubec, G. Wormser, L. Tortora, G. A. Chelkov, D. Bertrand, K. Huet, Patrick Jarry, P. Beltran, K. Doroba, K. Korcyl, P. N. Bogolubov, Christine Kourkoumelis, C. Lambropoulos, Ugo Amaldi, Ariella Cattai, J. Salt, W. De Boer, E. Zevgolatakos, P. E. S. Nilsen, W. J. Murray, C. Matteuzzi, Milos Lokajicek, T.E. Pettersen, A. Maio, M. Los, M. Hahn, M. van der Heijden, K.A.J. Forbes, C. Stanescu, C.O. Higgins, P. Morettini, F. Ledroit, F. Fulda-Quenzer, B. Golob, J. Cuevas Maestro, R. Strub, A. Petrolini, N. J. Kjaer, V. Kostioukhine, R. Moeller, J. Krolikowski, T. Moa, R. Holmes, Pierre Juillot, B. Koene, S. Almehed, S. Gumenyuk, M. Karlsson, O. Ullaland, Leif J. Jönsson, E.C. Katsoufis, Alberto Benvenuti, M. Pegoraro, G. Sette, P.S.L. Booth, M. Regler, S. Marti, G. Matthiae, E.N. Gazis, K.-H. Becks, R. Contri, P. Yepes, A. Maltezos, A. Firestone, E. Spiriti, P. Frenkiel, S. Simonetti, G. Polok, G. Cosme, S. J. Alvsvaag, E. Agasi, Tiziano Camporesi, G. Damgaard, Richard Brenner, F. J. Harris, Fares Djama, H. Briand, G.J. Barker, George Kalkanis, P. B. Renton, S. Squarcia, N. G. Redaelli, R. Lindner, Carlos Lacasta, G. Vegni, D. Fassouliotis, William Trischuk, A. Markou, J. G. Loken, H. Foeth, G. Maehlum, M. L. Turluer, E. Vallazza, D. Liko, N. Demaria, G. Hamel de Monchenault, T. Ekelof, N. Brummer, B. Franek, Tiziano Rovelli, D. Reid, D. C. Fries, Paula Eerola, S. Stapnes, J. Straver, R. J. Apsimon, P. Privitera, K. Kurvinen, M. Verlato, F. Waldner, S. Braibant, V. Chabaud, Javier Sánchez, D. J. Holthuizen, S. Ueberschaer, M. Weierstall, H.B. Crawley, D. Zavrtanik, R. Mc Nay, C. Walck, Marta Calvi, R. Barate, G. E. Kalmus, W. Venus, Guenakh Mitselmakher, J. J. Hernandez, P. O. Hulth, C. Ronnqvist, Z. Hajduk, W. Hao, O. Barring, S. Haider, A. P. Ostankov, F. Couchot, P. Delpierre, F. Cao, A. Tilquin, P. Grosse-Wiesmann, A. De Angelis, G. Gopal, E. Fokitis, A. Zalewska, Geoffrey Smith, P. Collins, P. Herquet, M. Gorski, P. Checchia, A. G. Olshevski, M. Dam, E. Daubie, G. Crosetti, P. Poropat, Chariclia Petridou, Andromachi Tsirou, P. Vincent, Daniel Bloch, O. Pingot, G. Lenzen, Mario Sannino, B. Bouquet, D. Souza-Santos, I. Kronkvist, P. Ronchese, P. Roudeau, J. Maillard, S. Rossi, V. G. Timofeev, J. Chauveau, F. Bianchi, Andre Augustinus, J.N. Jackson, Ahmimed Ouraou, V.M. Golovatyuk, F. Barao, Y. Sacquin, G. Myatt, Luc Pape, V. Gracco, G. Borisov, R. Orava, M. Berggren, M. J. Bates, E. Higon, R. Seufert, R. Gokieli, S. Bosworth, Bruno Schulze, F. Scuri, Daniel Treille, S. D. Hodgson, T. Buran, A. M. Wetherell, A.L. Read, A. M. Zaitsev, Alexander Vodopyanov, E. G. Anassontzis, J. P. Engel, P. Bambade, M. V. Castillo Gimenez, Wolfgang Adam, L. Lanceri, Stéphane Plaszczynski, M.R. Monge, J. Dolbeau, G. Voulgaris, Laurent Mirabito, L. Di Ciaccio, A. Lipniacka, C. De Clercq, E.I. Rosenberg, R. Zuberi, U. Rossi, E. Karvelas, B. King, Paolo Giacomelli, B. Stugu, F. Stichelbaut, Pavlos Ioannou, A. Passeri, Yu. Belokopytov, M. Zito, Carmen García, Klaus Moenig, I. Mikulec, I. Roncagliolo, Juan Fuster, R. Sosnowski, U. Haedinger, J. Lindgren, L. Carroll, J. M. Levy, G. Zumerle, E.N. Tsyganov, Marco Paganoni, Jose Luis Contreras, P. Branchini, M. Feindt, P. Negri, H. Schneider, Göran Jarlskog, D. Radojicic, Jan Ridky, J. Strauss, L.-O. Eek, B. Grossetete, W. D. Apel, Th D. Papadopoulou, R. Lauhakangas, Ph. Charpentier, H. Wahlen, G. Zhang, M. Sessa, M. S. Bilenky, W. Bartl, M. Donszelmann, A. Koch-Mehrin, P. Weilhammer, P. Billoir, T. Lesiak, Peter M. Allen, M. Pimenta, B. A. Khomenko, N. De Groot, A. Stocchi, Francesco Navarria, J. Zúñiga, Fernand Grard, D. Crennell, T. Hofmokl, W. Kucewicz, M. Vollmer, D. Gamba, J. J. Lozano, Chiara Meroni, Jan Buytaert, D. Benedic, Peter Kluit, A. Klovning, H. De Boeck, I.A. Tyapkin, Y. Arnoud, U. Mjoernmark, J. Garcia, F. Dupont, Andrey Korytov, N. N. Khovanski, P. Lutz, J. A. Valls Ferrer, J.-M. Brunet, J. P. Laugier, J. Bjarne, B. Tome, P. Antilogus, Demetrios Loukas, G. Valenti, F. Pierre, Vincent Hedberg, G. Ekspong, P. N. Ratoff, M. Begalli, J.W. Lamsa, S. O. Holmgren, C. Bosio, H. J. Hilke, K.D. Brand, M. Pernicka, L. S. Vertogradov, L. Chaussard, L. Vitale, A. Algeri, R. Zukanovich Funchal, J.H. Wickens, J. Drees, O. Toker, E. Torassa, R. C. Shellard, Ariel Goobar, G. E. Theodosiou, J. H. Koehne, A. M. Segar, P. S. Iversen, T.L. Hessing, S. C. Blyth, G. Meola, G. Wilkinson, F. Kapusta, V. Ruhlmann-Kleider, P. Beilliere, M.D.M. De Fez Laso, V.A. Uvarov, G. Tristram, J. Marco, A. Andreazza, Paul Baillon, P. Kokkinias, P. David, J. Lemonne, M. Battaglia, R. Keranen, Francisco Matorras, N. Yamdagni, Y. Dufour, U. Trevisan, P. D. Dauncey, Sandor Czellar, H. Rahmani, P. Zalewski, P. Szymanski, K. Hamacher, A.J. Camacho Rozas, A. Grant, V. Vrba, Hans Dijkstra, K. Furnival, M. Bonesini, T. Bolognese, W. Bonivento, V. Bocci, E. K. Johansson, M. Baubillier, J.-L. Fousset, T.J.V. Bowcock, D. Z. Toet, P. Siegrist, L. Cerrito, L. Bugge, A. Lopez-Fernandez, F. Fontanelli, F. Verbeure, Tuure Tuuva, Clara Troncon, C. De La Vaissiere, J. Pennanen, N. I. Zimin, A. G. Frodesen, 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 Subatomique et de Cosmologie (LPSC), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Joseph Fourier - Grenoble 1 (UJF)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de 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), 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 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 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), 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, Collaboration, Abreu, P., Adam, W., and Canale, Vincenzo

Subjects
Physics, Coupling constant, Particle physics, Argus, Nuclear and High Energy Physics, Muon, Physics and Astronomy (miscellaneous), 010308 nuclear & particles physics, Electron–positron annihilation, 01 natural sciences, 7. Clean energy, Nuclear physics, 0103 physical sciences, Decay length, LEPTONS, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Física nuclear, Combined result, 010306 general physics, computer, Particle Physics - Experiment, Fermi Gamma-ray Space Telescope, Lepton, computer.programming_language
Abstract

The tau lepton lifetime is measured using four different methods with the DELPHI detector. Three measurements using one prong decays are combined, accounting for correlations, resulting in tau(tau) = 298 +/- 7 (stat.) +/- 4 (syst.) fs while the decay length distribution of three prong decays gives tau(tau) = 298 +/- 13 (stat.) +/- 5 (syst.) fs. The combined result is tau(tau) = 298 +/- 7 fs. The ratio of the Fermi coupling constant from tau decay relative to that from muon decay is found to be 0.985 +/- 0.013, compatible with lepton universality.

Published
1993

8. Evidence for B$^{0}_{s}$ meson production in Z$^0$ decays

Author

P. Abreu, W. Adam, T. Adye, E. Agasi, G.D. Alekseev, A. Algeri, P. Allen, S. Almehed, S.J. Alvsvaag, U. Amaldi, E.G. Anassontzis, A. Andreazza, P. Antilogus, W.-D. Apel, R.J. Apsimon, B. Åsman, J.-E. Augustin, A. Augustinus, P. Baillon, P. Bambade, F. Barao, R. Barate, G. Barbiellini, D.Y. Bardin, A. Baroncelli, O. Barring, J.A. Barrio, W. Bartl, M.J. Bates, M. Battaglia, M. Baubillier, K.-H. Becks, C.J. Beeston, M. Begalli, P. Beilliere, Yu. Belokopytov, K. Belous, P. Beltran, D. Benedic, A.C. Benvenuti, M. Berggren, D. Bertrand, F. Bianchi, M.S. Bilenky, P. Billoir, J. Bjarne, D. Bloch, S. Blyth, V. Bocci, P.N. Bogolubov, T. Bolognese, M. Bonesini, W. Bonivento, P.S.L. Booth, P. Borgeaud, G. Borisov, H. Borner, C. Bosio, B. Bostjancic, S. Bosworth, O. Botner, B. Bouquet, C. Bourdarios, T.J.V. Bowcock, M. Bozzo, S. Braibant, P. Branchini, K.D. Brand, R.A. Brenner, H. Briand, C. Bricman, R.C.A. Brown, N. Brummer, J.-M. Brunet, L. Bugge, T. Buran, H. Burmeister, J.A.M.A. Buytaert, M. Caccia, M. Calvi, A.J. Camacho Rozas, T. Camporesi, V. Canale, F. Cao, F. Carena, L. Caroll, C. Caso, M.V. Castillo Gimenez, A. Cattai, F.R. Cavallo, L. Cerrito, V. Chabaud, A. Chan, M. Chapkin, Ph. Charpentier, L. Chaussard, J. Chauveau, P. Checchia, G.A. Chelkov, L. Chevalier, P. Chliapnikov, V. Chorowicz, J.T.M. Chrin, R. Cirio, M.P. Clara, P. Collins, J.L. Contreras, R. Contri, E. Cortina, G. Cosme, F. Couchot, H.B. Crawley, D. Crennell, G. Crosetti, M. Crozon, J. Cuevas Maestro, S. Czellar, E. Dahl-Jensen, B. Dalmagne, M. Dam, G. Damgaard, G. Darbo, E. Daubie, A. Daum, P.D. Dauncey, M. Davenport, P. David, W. Da Silva, C. Defoix, D. Delikaris, S. Delorme, P. Delpierre, N. Demaria, A. De Angelis, M. De Beer, H. De Boeck, W. De Boer, C. De Clercq, M.D.M. De Fez Laso, N. De Groot, C. De La Vaissiere, B. De Lotto, A. De Min, H. Dijkstra, L. Di Ciaccio, F. Djama, J. Dolbeau, M. Donszelmann, K. Doroba, M. Dracos, J. Drees, M. Dris, Y. Dufour, R. Dzhelyadin, L.-O. Eek, P.A.-M. Eerola, R. Ehret, T. Ekelof, G. Ekspong, A. Elliot Peisert, J.-P. Engel, D. Fassouliotis, M. Feindt, A. Fenyuk, M. Fernandez Alonso, A. Ferrer, T.A. Filippas, A. Firestone, H. Foeth, E. Fokitis, F. Fontanelli, K.A.J. Forbes, J.-L. Fousset, S. Francon, B. Franek, P. Frenkiel, D.C. Fries, A.G. Frodesen, R. Fruhwirth, F. Fulda-Quenzer, K. Furnival, H. Furstenau, J. Fuster, G. Galeazzi, D. Gamba, C. Garcia, J. Garcia, C. Gaspar, U. Gasparini, Ph. Gavillet, E.N. Gazis, J.-P. Gerber, P. Giacomelli, R. Gokieli, B. Golob, V.M. Golovatyuk, J.J. Gomez Y Cadenas, A. Goobar, G. Gopal, M. Gorski, V. Gracco, A. Grant, F. Grard, E. Graziani, G. Grosdidier, E. Gross, P. Grosse-Weismann, B. Grossetete, S. Gumenyuk, J. Guy, U. Haedinger, F. Hahn, M. Hahn, S. Haider, Z. Hajduk, A. Hakansson, A. Hallgren, K. Hamacher, G. Hamel De Mochenault, W. Hao, F.J. Harris, T. Henkes, J.J. Hernandez, P. Herquet, H. Herr, T.L. Hessing, I. Hietanen, C.O. Higgins, E. Higon, H.J. Hilke, S.D. Hodgson, T. Hofmokl, R. Holmes, S.-O. Holmgren, D. Holthuizen, P.F. Honore, J.E. Hooper, M. Houlden, J. Hrubec, C. Huet, P.O. Hulth, K. Hultqvist, P. Ioannou, D. Isenhower, P.-S. Iversen, J.N. Jackson, P. Jalocha, G. Jarlskog, P. Jarry, B. Jean-Marie, E.K. Johansson, D. Johnson, M. Jonker, L. Jonsson, P. Juillot, G. Kalkanis, G. Kalmus, F. Kapusta, M. Karlsson, E. Karvelas, A. Katargin, S. Katsanevas, E.C. Katsoufis, R. Keranen, J. Kesteman, B.A. Khomenko, N.N. Khovanski, B. King, N.J. Kiaer, H. Klein, W. Klempt, A. Klovning, P. Kluit, A. Koch-Mehrin, J.H. Koehne, B. Koene, P. Kokkinias, M. Kopf, K. Korcyl, A.V. Korytov, V. Kostioukhine, C. Kourkoumelis, O. Kouznetsov, P.H. Kramer, J. Krolikowski, I. Kronkvist, J. Krstic, U. Kruener-Marquis, W. Krupinski, K. Kulka, K. Kurvinen, C. Lacasta, C. Lambropoulos, J.W. Lamsa, L. Lanceri, V. Lapin, J.-P. Laugier, R. Lauhakangas, G. Leder, F. Ledroit, R. Leitner, Y. Lemoigne, J. Lemonne, G. Lenzen, V. Lepeltier, J.M. Levy, E. Lieb, D. Liko, E. Lillethun, J. Lindgren, R. Lindner, A. Lipniacka, I. Lippi, B. Loerstad, M. Lokajicek, J.G. Loken, A. Lopez-Fernandez, M.A. Lopez Aguera, M. Los, D. Loukas, J.J. Lozano, P. Lutz, L. Lyons, G. Maehlum, J. Maillard, A. Maltezos, F. Mandl, J. Marco, M. Margoni, J.-C. Marin, A. Markou, T. Maron, S. Marti, L. Mathis, F. Matorras, C. Matteuzzi, G. Matthiae, M. Mazzucato, M. Mc Cubbin, R. Mc Kay, R. Mc Nulty, G. Meola, C. Meroni, W.T. Meyer, M. Michelotto, I. Mikulec, L. Mirabito, W.A. Mitaroff, G.V. Mitselmakher, U. Mioernmark, T. Moa, R. Moeller, K. Moenig, M.R. Monge, P. Morettini, H. Mueller, W.J. Murray, B. Muryn, G. Myatt, F. Naraghi, F.L. Navarria, P. Negri, B.S. Nielsen, B. Nijjhar, V. Nikolaenko, P.E.S. Nilsen, P. Niss, V. Obraztsov, A.G. Olshevski, R. Orava, A. Ostankov, K. Osterberg, A. Ouraou, M. Paganoni, R. Pain, H. Palka, Th.D. Papadopoulou, L. Pape, A. Passeri, M. Pegoraro, J. Pennanen, V. Perevozchikov, M. Pernicka, A. Perrotta, C. Petridou, A. Petrolini, T.E. Pettersen, F. Pierre, M. Pimenta, O. Pingot, M.E. Pol, G. Polok, P. Poropat, P. Privitera, A. Pullia, D. Radojicic, S. Ragazzi, H. Rahmani's, P.N. Ratoff, A.L. Read, N.G. Redaelli, M. Regler, D. Reid, P.B. Renton, L.K. Resvanis, F. Richard, M. Richardson, J. Ridky, G. Rinaudo, I. Roditi, A. Romero, I. Roncagliolo, P. Ronchese, V. Ronjin, C. Ronnqvist, E.I. Rosenberg, S. Rossi, U. Rossi, E. Rosso, P. Roudeau, T. Rovelli, W. Ruckstuhl, V. Ruhlmann, A. Ruiz, K. Rybicki, H. Saarikko, Y. Sacquin, G. Sajot, J. Salt, J. Sanchez, M. Sannino, S. Schael, H. Schneider, M.A.E. Schyns, G. Sciolla, F. Scuri, A.M. Segar, R. Sekulin, M. Sessa, G. Sette, R. Seufert, R.C. Shellard, I. Siccama, P. Siegrist, S. Simonetti, F. Simonetto, A.N. Sisakian, T.B. Skaali, G. Skjevling, G. Smadja, N. Smirnov, G.R. Smith, R. Sosnowski, T.S. Spassoff, E. Spiriti, S. Squarcia, H. Staeck, C. Stanescu, S. Stapnes, G. Stavropoulos, F. Stichelbaut, A. Stocchi, J. Strauss, J. Straver, R. Strub, M. Szczekowski, M. Szeptycka, P. Szymanski, T. Tabarelli, S. Tavernier, O. Tchikilev, G.E. Theodosiou, A. Tilquin, J. Timmermans, V.G. Timofeev, L.G. Tkatchev, T. Todorov, D.Z. Toet, O. Toker, A. Tomaradze, E. Torassa, L. Tortora, M.T. Trainor, D. Treilli, U. Trevisan, W. Trischuk, G. Tristram, C. Troncon, A. Tsirou, E.N. Tsyganov, M. Turala, M.-L. Turluer, T. Tuuva, I.A. Tyapkin, M. Tyndel, S. Tzamarias, S. Ueberschaer, O. Ullaland, V. Uvarov, G. Valenti, E. Vallazza, J.A. Valls Ferrer, C. Vander Velde, G.W. Van Apeldoorn, P. Van Dam, W.K. Van Doninck, P. Vaz, G. Vegni, L. Ventura, W. Venus, F. Verbeure, L.S. Vertogradov, D. Vilanova, P. Vincent, N. Vishnevsky, L. Vitale, E. Vlasov, A.S. Vodopyanov, M. Vollmer, G. Voulgaris, M. Voutilainen, V. Vrba, H. Wahlen, C. Walck, F. Waldner, M. Wayne, A. Wehr, M. Weierstall, P. Weilhammer, J. Werner, A.M. Wetherell, J.H. Wickens, J. Wikne, G.R. Wilkinson, W.S.C. Williams, M. Winter, D. Wormald, G. Wormser, K. Woschnagg, N. Yamdagni, P. Yepes, A. Zaitsev, A. Zalewska, P. Zalewski, D. Zavrtanik, E. Zevgolatakos, G. Zhang, N.I. Zimin, M. Zito, R. Zuberi, R. Zukanovich Funchal, G. Zumerle, J. Zuniga, 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 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), 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, 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), 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), 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
Nuclear and High Energy Physics, Particle physics, Meson production, Meson, LUND MONTE-CARLO, Electron–positron annihilation, Nuclear Theory, Hadron, 01 natural sciences, COLLIDER, Nuclear physics, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], B meson, Nuclear Experiment, 010306 general physics, Physics, Muon, Z0 DECAYS, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, Transverse momentum, Física nuclear, High Energy Physics::Experiment, Particle Physics - Experiment, Production rate
Abstract

Seven unambiguous events out of a sample of 270 000 Z0 decays, contain in tile same jet a D(s) meson and a muon at large transverse momentum relative to the et axis. These events are direct evidence for B(s)0 meson production in hadronic Z0 decays. The production rate of these events, relative to all hadronic Z0 decays is ( 18 +/- 8) x 10(-5) this number including the relevant branching fractions of the B(s)0 and D(s). The value of the B(s)0 meson lifetime relative to the average B meson lifetime is measured to be 0.8 +/- 0.4.

Published
1992

9. A Measurement of the Bbbar Forward-backward Asymmetry Using the Semileptonic Decay Into Muons

Author

P. Abreu, W. Adam, F. Adami, T. Adye, T. Akesson, G.D. Alekseev, P. Allen, S. Almehed, S.J. Alvsvaag, U. Amaldi, E.G. Anassontzis, P. Antilogus, W.-D. Apel, R.J. Apsimon, B. Åsman, J.-E. Augustin, A. Augustinus, P. Baillon, P. Bambade, F. Barao, R. Barate, G. Barbiellini, D.Y. Bardin, A. Baroncelli, O. Barring, W. Bartl, M.J. Bates, M. Battaglia, M. Baubillier, K.-H. Becks, C.J. Beeston, M. Begalli, P. Beilliere, Yu. Belokopytov, P. Beltran, D. Benedic, J.M. Benlloch, M. Berggren, D. Bertrand, F. Bianchi, M.S. Bilenky, P. Billoir, J. Bjarne, D. Bloch, S. Blyth, V. Bocci, P.N. Bogolubov, T. Bolognese, M. Bonapart, M. Bonesini, W. Bonivento, P.S.L. Booth, P. Borgeaud, G. Borisov, H. Borner, C. Bosio, B. Bostjancic, O. Botner, B. Bouquet, C. Bourdarios, M. Bozzo, S. Braibant, P. Branchini, K.D. Brand, R.A. Brenner, H. Briand, C. Bricman, R.C.A. Brown, N. Brummer, J.-M. Brunet, L. Bugge, T. Buran, H. Burmeister, J.A.M.A. Buytaert, M. Caccia, M. Calvi, A.J.Camacho Rozas, A. Campion, T. Camporesi, V. Canale, F. Cao, F. Carena, L. Carroll, C. Caso, E. Castelli, M.V.Castillo Gimenez, A. Cattai, F.R. Cavallo, L. Cerrito, A. Chan, M. Chapkin, P. Charpentier, L. Chaussard, J. Chauveau, P. Checchia, G.A. Chelkov, L. Chevalier, P. Chliapnikov, V. Chorowicz, R. Cirio, M.P. Clara, P. Collins, J.L. Contreras, R. Contri, G. Cosme, F. Couchot, H.B. Crawley, D. Crennell, G. Crosetti, M. Crozon, J.Cuevas Maestro, S. Czellar, S. Dagoret, E. Dahl-Jensen, B. Dalmagne, M. Dam, G. Damgaard, G. Darbo, E. Daubie, P.D. Dauncey, M. Davenport, P. David, W. Da Silva, C. Defoix, D. Delikaris, S. Delorme, P. Delpierre, N. Demaria, A. De Angelis, M. De Beer, H. De Boeck, W. De Boer, C. De Clercq, M.D.M. De Fez Laso, N. De Groot, C. De La Vaissiere, B. De Lotto, A. De Min, H. Dijkstra, L. Di Ciaccio, F. Djama, J. Dolbeau, M. Donszelmann, K. Doroba, M. Dracos, J. Drees, M. Dris, Y. Dufour, W. Dulinski, R. Dzhelyadin, L.-O. Eek, P.A.-M. Eerola, T. Ekelof, G. Ekspong, A.Elliot Peisert, J.-P. Engel, D. Fassouliotis, M. Feindt, M.Fernandez Alonso, A. Ferrer, T.A. Filippas, A. Firestone, H. Foeth, E. Fokitis, P. Folegati, F. Fontanelli, K.A.J. Forbes, B. Franek, P. Frenkiel, D.C. Fries, A.G. Frodesen, R. Fruhwirth, F. Fulda-Quenzer, K. Furnival, H. Furstenau, J. Fuster, G. Galeazzi, D. Gamba, C. Garcia, J. Garcia, C. Gaspar, U. Gasparini, P. Gavillet, E.N. Gazis, J.-P. Gerber, P. Giacomelli, R. Gokieli, V.M. Golovatyuk, J.J.Gomez Y Cadenas, A. Goobar, G. Gopal, M. Gorski, V. Gracco, A. Grant, F. Grard, E. Graziani, G. Grosdidier, E. Gross, P. Grosse-Wiesmann, B. Grossetete, S. Gumenyuk, J. Guy, F. Hahn, M. Hahn, S. Haider, Z. Hajduk, A. Hakansson, A. Hallgren, K. Hamacher, G.Hamel De Monchenault, F.J. Harris, B.W. Heck, T. Henkes, J.J. Hernandez, P. Herquet, H. Herr, I. Hietanen, C.O. Higgins, E. Higon, H.J. Hilke, S.D. Hodgson, T. Hofmokl, R. Holmes, S.-O. Holmgren, D. Holthuizen, P.F. Honore, J.E. Hooper, M. Houlden, J. Hrubec, P.O. Hulth, K. Hultqvist, D. Husson, P. Ioannou, D. Isenhower, P.-S. Iversen, J.N. Jackson, P. Jalocha, G. Jarlskog, P. Jarry, B. Jean-Marie, E.K. Johansson, D. Johnson, M. Jonker, L. Jonsson, P. Juillot, G. Kalkanis, G. Kalmus, F. Kapusta, M. Karlsson, S. Katsanevas, E.C. Katsoufis, R. Keranen, J. Kesteman, B.A. Khomenko, N.N. Khovanski, B. King, N.J. Kjaer, H. Klein, W. Klempt, A. Klovning, P. Kluit, J.H. Koehne, B. Koene, P. Kokkinias, M. Kopf, M. Koratzinos, K. Korcyl, A.V. Korytov, V. Kostiukhin, C. Kourkoumelis, P.H. Kramer, T. Kreuzberger, J. Krolikowski, I. Kronkvist, J. Krstic, U. Kruener-Marquis, W. Krupinski, W. Kucewicz, K. Kurvinen, C. Lacasta, C. Lambropoulos, J.W. Lamsa, L. Lanceri, V. Lapin, J.-P. Laugier, R. Lauhakangas, G. Leder, F. Ledroit, R. Leitner, Y. Lemoigne, J. Lemonne, G. Lenzen, V. Lepeltier, A. Letessier-Selvon, E. Lieb, D. Liko, E. Lillethun, J. Lindgren, R. Lindner, A. Lipniacka, I. Lippi, R. Llosa, B. Loerstad, M. Lokajicek, J.G. Loken, A. Lopez-Fernandez, M.A.Lopez Aguera, M. Los, D. Loukas, A. Lounis, J.J. Lozano, P. Lutz, L. Lyons, G. Maehlum, J. Maillard, A. Maltezos, F. Mandl, J. Marco, M. Margoni, J.-C. Marin, A. Markou, T. Maron, S. Marti, L. Mathis, F. Matorras, C. Matteuzzi, G. Matthiae, M. Matveev, M. Mazzucato, M. Mc Cubbin, R. Mc Kay, R. Mc Nulty, E. Menichetti, G. Meola, C. Meroni, W.T. Meyer, M. Michelotto, W.A. Mitaroff, G.V. Mitselmakher, U. Mjoernmark, T. Moa, R. Moeller, K. Moenig, M.R. Monge, P. Morettini, H. Mueller, W.J. Murray, B. Muryn, G. Myatt, F. Naraghi, F.L. Navarria, P. Negri, B.S. Nielsen, B. Nijjhar, V. Nikolaenko, V. Obraztsov, K. Oesterberg, A.G. Olshevski, R. Orava, A. Ostankov, A. Ouraou, M. Paganoni, R. Pain, H. Palka, T. Papadopoulou, L. Pape, A. Passeri, M. Pegoraro, J. Pennanen, V. Perevozshikov, M. Pernicka, A. Perrotta, F. Pierre, M. Pimenta, O. Pingot, M.E. Pol, G. Polok, P. Poropat, P. Privitera, A. Pullia, D. Radojicic, S. Ragazzi, P.N. Ratoff, A.L. Read, N.G. Redaelli, M. Regler, D. Reid, P.B. Renton, L.K. Resvanis, F. Richard, M. Richardson, J. Ridky, G. Rinaudo, I. Roditi, A. Romero, I. Roncagliolo, P. Ronchese, C. Ronnqvist, E.I. Rosenberg, U. Rossi, E. Rosso, P. Roudeau, T. Rovelli, W. Ruckstuhl, V. Ruhlmann, A. Ruiz, K. Rybicki, H. Saarikko, Y. Sacquin, G. Sajot, J. Salt, E. Sanchez, J. Sanchez, M. Sannino, M. Schaeffer, S. Schael, H. Schneider, M.A.E. Schyns, F. Scuri, A.M. Segar, R. Sekulin, M. Sessa, G. Sette, R. Seufert, R.C. Shellard, P. Siegrist, S. Simonetti, F. Simonetto, A.N. Sissakian, T.B. Skaali, G. Skjevling, G. Smadja, N. Smirnov, G.R. Smith, R. Sosnowski, T.S. Spassoff, E. Spiriti, S. Squarcia, H. Staeck, C. Stanescu, G. Stavropoulos, F. Stichelbaut, A. Stocchi, J. Strauss, R. Strub, M. Szczekowski, M. Szeptycka, P. Szymanski, T. Tabarelli, S. Tavernier, G.E. Theodosiou, A. Tilquin, J. Timmermans, V.G. Timofeev, L.G. Tkatchev, T. Todorov, D.Z. Toet, O. Toker, E. Torassa, L. Tortora, M.T. Trainor, D. Treille, U. Trevisan, W. Trischuk, G. Tristram, C. Troncon, A. Tsirou, E.N. Tsyganov, M. Turala, R. Turchetta, M.-L. Turluer, T. Tuuva, I.A. Tyapkin, M. Tyndel, S. Tzamarias, S. Ueberschaer, O. Ullaland, V. Uvarov, G. Valenti, E. Vallazza, J.A. Valls Ferrer, C. Vander Velde, G.W. Van Apeldoorn, P. Van Dam, W.K. Van Doninck, J. Varela, P. Vaz, G. Vegni, L. Ventura, W. Venus, F. Verbeure, L.S. Vertogradov, D. Vilanova, L. Vitale, E. Vlasov, S. Vlassopoulos, A.S. Vodopyanov, M. Vollmer, S. Volponi, G. Voulgaris, M. Voutilainen, V. Vrba, H. Wahlen, C. Walck, F. Waldner, M. Wayne, A. Wehr, M. Weierstall, P. Weilhammer, J. Werner, A.M. Wetherell, J.H. Wickens, J. Wikne, G.R. Wilkinson, W.S.C. Williams, M. Winter, D. Wormald, G. Wormser, K. Woschnagg, N. Yamdagni, P. Yepes, A. Zaitsev, A. Zalewska, P. Zalewski, D. Zavrtanik, E. Zevgolatakos, G. Zhang, N.I. Zimin, M. Zito, R. Zitoun, R.Zukanovich Funchal, G. Zumerle, J. Zuniga, 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 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), 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), 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), 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), 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 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), Delphi, Collaboration, Abreu, P., Adam, W., Canale, Vincenzo, 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, Quark, Semileptonic decay, Nuclear and High Energy Physics, Particle physics, Muon, media_common.quotation_subject, Hadron, Electroweak interaction, High Energy Physics::Phenomenology, Weinberg angle, Bottom quark, Asymmetry, Nuclear physics, Physique des particules élémentaires, ComputingMethodologies_DOCUMENTANDTEXTPROCESSING, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Física nuclear, digital document, Astrophysics::Earth and Planetary Astrophysics, Nuclear Experiment, media_common
Abstract

0, info:eu-repo/semantics/published

Published
1992

10. A measurement of the lifetime of the tau lepton

Author

P. Abreu, W. Adam, F. Adami, T. Adye, T. Akesson, G.D. Alekseev, P. Allen, S. Almehed, S.J. Alvsvaag, U. Amaldi, E. Anassontzis, P. Antilogus, W.-D. Apel, R.-J. Apsimon, B. Åsman, P. Astier, J.-E. Augustin, A. Augustinus, P. Baillon, P. Bambade, F. Barao, G. Barbiellini, D.Y. Bardin, A. Baroncelli, O. Barring, W. Bartl, M. Battaglia, M.J. Bates, M. Baubillier, K.-H. Becks, C.J. Beeston, M. Begalli, P. Beilliere, Yu. Belokopytov, P. Beltran, D. Benedic, J.M. Benlloch, M. Berggren, D. Bertrand, F. Bianchi, J.H. Bibby, M.S. Bilenky, P. Billoir, J. Bjarne, D. Bloch, S. Blyth, P.N. Bogolubov, T. Bolognese, M. Bonapart, M. Bonesini, W. Bonivento, P.S.L. Booth, M. Boratav, P. Borgeaud, G. Borisov, H. Borner, C. Bosio, B. Bostjancic, O. Botner, B. Bouquet, M. Bozzo, S. Braibant, P. Branchini, K.D. Brand, R.A. Brenner, C. Bricman, R.C.A. Brown, N. Brummer, J.-M. Brunet, L. Bugge, T. Buran, H. Burmeister, J.A.M.A. Buytaert, M. Caccia, M. Calvi, A.J. Camacho Rozas, J.-E. Campagne, A. Campion, T. Camporesi, V. Canale, F. Cao, F. Carena, L. Carroll, C. Caso, E. Castelli, M.V. Castillo Gimenez, A. Cattai, F.R. Cavallo, L. Cerrito, A. Chan, P. Charpentier, P. Checchia, G.A. Chelkov, L. Chevalier, P. Chliapnikov, V. Chorowicz, R. Cirio, M.P. Clara, P. Collins, J.L. Contreras, R. Contri, G. Cosme, F. Couchot, H.B. Crawley, D. Crennell, G. Crosetti, N. Crosland, M. Crozon, J. Cuevas Maestro, S. Czellar, S. Dagoret, E. Dahl-Jensen, B. Dalmagne, M. Dam, G. Damgaard, G. Darbo, E. Daubie, P.D. Dauncey, M. Davenport, P. David, A. De Angelis, M. De Beer, H. De Boeck, W. De Boer, C. De Clercq, M.D.M. De Fez Laso, N. De Groot, C. De La Vaissiere, B. De Lotto, A. De Min, C. Defoix, D. Delikaris, S. Delorme, P. Delpierre, N. Demaria, J. Derkaoui, L. Di Ciaccio, H. Dijkstra, F. Djama, J. Dolbeau, M. Donszelmann, K. Doroba, M. Dracos, J. Drees, M. Dris, Y. Dufour, W. Dulinski, L.-O. Eek, P.A.-M. Eerola, T. Ekelof, G. Ekspong, A. Elliot Peisert, J.-P. Engel, V. Falaleev, D. Fassouliotis, M. Fernandez Alonso, A. Ferrer, T.A. Filippas, A. Firestone, H. Foeth, E. Fokitis, P. Folegati, F. Fontanelli, K.A.J. Forbes, H. Forsbach, B. Franek, P. Frenkiel, D.C. Fries, A.G. Frodesen, R. Fruhwirth, F. Fulda-Quenzer, K. Furnival, H. Furstenau, J. Fuster, J.M. Gago, G. Galeazzi, D. Gamba, C. Garcia, J. Garcia, U. Gasparini, P. Gavillet, E.N. Gazos, J.-P. Gerber, P. Giacomelli, K.-W. Glitza, R. Gokieli, V.M. Golovatyuk, J.J. Gomez Y Cadenas, A. Goobar, G. Gopal, M. Gorski, V. Gracco, A. Grant, F. Grard, E. Graziani, M.-H. Gros, G. Grosdidier, E. Gross, B. Grossetete, S. Gumenyuk, J. Guy, F. Hahn, M. Hahn, S. Haider, Z. Hajduk, A. Hakansson, A. Hallgren, K. Hamacher, G. Hamel De Monchenault, F.J. Harris, B.W. Heck, T. Henkes, I. Herbst, J.J. Hernandez, P. Herquet, H. Herr, I. Hietanen, C.O. Higgins, E. Higon, H.J. Hilke, S.D. Hodgson, T. Hofmokl, R. Holmes, S.-O. Holmgren, D. Holthuizen, P.F. Honore, J.E. Hooper, R. Horisberger, M. Houlden, J. Hrubec, P.O. Hulth, K. Hultqvist, D. Husson, B.D. Hyams, P. Ioannou, D. Isenhower, P.-S. Iversen, J.N. Jackson, P. Jalocha, G. Jarlskog, P. Jarry, B. Jean-Marie, E.K. Johansson, D. Johnson, M. Jonker, L. Jonsson, P. Juillot, G. Kalkanis, G. Kalmus, G. Kantardjian, F. Kapusta, S. Katsanevas, E.C. Katsoufis, R. Keranen, J. Kesteman, B.A. Khomenko, N.N. Khovanski, B. King, N.J. Kjaer, H. Klein, W. Klempt, A. Klovning, P. Kluit, J.H. Koehne, B. Koene, P. Kokkinias, M. Kopf, M. Koratzinos, K. Korcyl, A.V. Korytov, B. Korzen, V. Kostukhin, C. Kourkoumelis, T. Kreuzberger, J. Krolikowski, U. Kruener-Marquis, W. Krupinski, W. Kucewicz, K. Kurvinen, C. Lacasta, C. Lambropoulos, J.W. Lamsa, L. Lanceri, V. Lapin, J.-P. Laugier, R. Lauhakangas, G. Leder, F. Ledroit, J. Lemonne, G. Lenzen, V. Lepeltier, A. Letessier-Selvon, D. Liko, E. Lieb, E. Lillethun, J. Lindgren, A. Lipniacka, I. Lippi, R. Llosa, B. Loerstad, M. Lokajicek, J.G. Loken, M.A. Lopez Aguera, A. Lopez-Fernandez, M. Los, D. Loukas, A. Lounis, J.J. Lozano, R. Lucock, P. Lutz, L. Lyons, G. Maehlum, J. Maillard, A. Maltezos, S. Maltezos, F. Mandl, J. Marco, M. Margoni, J.-C. Marin, A. Markou, S. Marti, L. Mathis, F. Matorras, C. Matteuzzi, G. Matthiae, M. Matveev, M. Mazzucato, M. Mc Cubbin, R. Mc Nulty, E. Menichetti, G. Meola, C. Meroni, W.T. Meyer, M. Michelotto, W.A. Mitaroff, G.V. Mitselmakher, U. Mjoernmark, T. Moa, R. Moeller, K. Moenig, M.R. Monge, P. Morettini, H. Mueller, H. Muller, W.J. Murray, G. Myatt, F. Naraghi, U. Nau-Korzen, F.L. Navarria, P. Negri, B.S. Nielsen, B. Nijjhar, V. Nikolaenko, V. Obraztsov, A.G. Olshevski, R. Orava, A. Ostankov, A. Ouraou, R. Pain, H. Palka, T. Papadopoulou, L. Pape, A. Passeri, M. Pegoraro, V. Perevozchikov, M. Pernicka, A. Perrotta, F. Pierre, M. Pimenta, O. Pingot, A. Pinsent, M.E. Pol, G. Polok, P. Poropat, P. Privitera, A. Pullia, J. Pyyhtia, D. Radojicic, S. Ragazzi, P.N. Ratoff, A.L. Read, N.G. Redaelli, M. Regler, D. Reid, P.B. Renton, L.K. Resvanis, F. Richard, M. Richardson, J. Ridky, G. Rinaudo, I. Roditi, A. Romero, I. Roncagliolo, P. Ronchese, C. Ronnqvist, E.I. Rosenberg, U. Rossi, E. Rosso, P. Roudeau, T. Rovelli, W. Ruckstuhl, V. Ruhlmann, A. Ruiz, K. Rybicki, H. Saarikko, Y. Sacquin, J. Salt, E. Sanchez, J. Sanchez, M. Sannino, M. Schaeffer, S. Schael, H. Schneider, M.A.E. Schyns, F. Scuri, A.M. Segar, R. Sekulin, M. Sessa, G. Sette, R. Seufert, R.C. Shellard, P. Siegrist, S. Simonetti, F. Simonetto, A.N. Sissakian, T.B. Skaali, G. Skjevling, G. Smadja, G.R. Smith, N. Smirnov, R. Sosnowski, T.S. Spassoff, E. Spiriti, S. Squarcia, H. Staeck, C. Stanescu, G. Stavropoulos, F. Stichelbaut, A. Stocchi, J. Strauss, R. Strub, C.J. Stubenrauch, M. Szczekowski, M. Szeptycka, P. Szymanski, T. Tabarelli, S. Tavernier, G.E. Theodosiou, A. Tilquin, J. Timmermans, V.G. Timofeev, L.G. Tkatchev, T. Todorov, D.Z. Toet, L. Tortora, M.T. Trainor, D. Treille, U. Trevisan, W. Trischuk, G. Tristam, C. Troncon, A. Tsirou, E.N. Tsyganov, M. Turala, R. Turchetta, M.-L. Turluer, T. Tuuva, I.A. Tyapkin, M. Tyndel, S. Tzamarias, B. Ueberschaer, S. Ueberschaer, O. Ullaland, V.A. Uvarov, G. Valenti, E. Vallazza, J.A. Valls Ferrer, G.W. Van Apeldoorn, P. Van Dam, W.K. Van Doninck, N. Van Eijndhoven, C. Vander Velde, J. Varela, P. Vaz, G. Vegni, L. Ventura, W. Venus, F. Verbeure, L.S. Vertogradov, L. Vibert, D. Vilanova, E.V. Vlasov, A.S. Vodopyanov, M. Vollmer, S. Volponi, G. Voulgaris, M. Voutilainen, V. Vrba, H. Wahlen, C. Walck, F. Waldner, M. Wayne, P. Weilhammer, J. Werner, A.M. Wetherell, J.H. Wickens, J. Wikne, G.R. Wilkinson, W.S.C. Williams, M. Winter, D. Wormald, G. Wormser, K. Woschnagg, N. Yamdagni, P. Yepes, A. Zaitsev, A. Zalewska, P. Zalewski, D. Zavrtanik, E. Zevgolatakos, G. Zhang, N.I. Zimin, M. Zito, R. Zitoun, R. Zukanovich Funchal, G. Zumerle, J. Zuniga, Flores, Sylvie, 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), 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), 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), Delphi, Collaboration, Abreu, P., Adam, W., and Canale, Vincenzo

Subjects
Nuclear and High Energy Physics, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], 010308 nuclear & particles physics, 0103 physical sciences, Physique des particules élémentaires, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, 010306 general physics, 01 natural sciences, 7. Clean energy, DETECTOR, Particle Physics - Experiment
Abstract

The lifetime of the tau lepton has been measured by two independent methods using a silicon microvertex detector installed in the DELPHI detector. The signed impact parameter distribution of the one prong decays yielded a lifetime of ττ = 321 ± 36 (stat.) ± 16 (syst.) fs, while the decay length distribution of three prong decays gave the result ττ = 310 ± 31 (stat.) ± 9 (syst.) fs. The final value of the combined result was ττ = 314 ± 25 fs. The ratio of the Fermi coupling constant from tau decay relative to that from muon decay was found to be 0.95 ± 0.04, compatible with the hypothesis of lepton universality., 0, info:eu-repo/semantics/published

Published
1991

11. Search for b→sγ in exclusive decays of B mesons

Author

H. Albrecht, R. Gläser, G. Harder, A. Krüger, A. Nippe, T. Oest, M. Reidenbach, M. Schäfer, W. Schmidt-Parzefall, H. Schröder, H.D. Schulz, F. Sefkow, R. Wurth, R.D. Appuhn, A. Drescher, C. Hast, G. Herrera, H. Kolanoski, A. Lange, A. Lindner, R. Mankel, H. Scheck, G. Schweda, B. Spaan, A. Walther, D. Wegener, M. Paulini, K. Reim, U. Volland, H. Wegener, W. Funk, J. Stiewe, S. Werner, S. Ball, J.C. Gabriel, C. Geyer, A. Hölscher, W. Hofmann, B. Holzer, S. Khan, J. Spengler, C.E.K. Charlesworth, K.W. Edwards, W.R. Frisken, H. Kapitza, P. Krieger, R. Kutschke, D.B. MacFarlane, K.W. McLean, R.S. Orr, J.A. Parsons, P.M. Patel, J.D. Prentice, S.C. Seidel, J.D. Swain, G. Tsipolitis, T.-S. Yoon, R. Davis, T. Ruf, S. Schael, K.R. Schubert, K. Strahl, R. Waldi, S. Weseler, B. Bos̆tjanc̆ic̆, G. Kernel, P. Kriz̆an, E. Kriz̆nic̆, M. Ples̆ko, H.I. Cronström, L. Jönsson, A.W. Nilsson, A. Babaev, M. Danilov, B. Fominykh, A. Golutvin, I. Gorelov, V. Lubimov, A. Rostovtsev, A. Semonov, S. Semenov, V. Shevchenko, V. Soloshenko, V. Tchistilin, I. Tichomirov, Yu. Zaitsev, R. Childers, and C.W. Darden

Subjects
Nuclear and High Energy Physics
Published
1989

12. Worldwide physical activity trends since COVID-19 onset.

Author

Tison GH, Barrios J, Avram R, Kuhar P, Bostjancic B, Marcus GM, Pletcher MJ, and Olgin JE

Subjects
Exercise, Humans, SARS-CoV-2, COVID-19 epidemiology
Abstract

Competing Interests: PK and BB are employees of Azumio. There are no competing interests for the remaining authors. Azumio provided no financial support for this study and only provided access to the step count data and did not have any role in the decision to publish the manuscript. Data analysis and interpretation were performed independently from Azumio. GHT received support from the National Institutes of Health NHLBI K23HL135274. RA received support from the Fonds de Recherche du Québec en Santé (FRQS, grant number 312758). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

Published
2022
Full Text
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13. Best practices for analyzing large-scale health data from wearables and smartphone apps.

Author

Hicks JL, Althoff T, Sosic R, Kuhar P, Bostjancic B, King AC, Leskovec J, and Delp SL

Abstract

Smartphone apps and wearable devices for tracking physical activity and other health behaviors have become popular in recent years and provide a largely untapped source of data about health behaviors in the free-living environment. The data are large in scale, collected at low cost in the "wild", and often recorded in an automatic fashion, providing a powerful complement to traditional surveillance studies and controlled trials. These data are helping to reveal, for example, new insights about environmental and social influences on physical activity. The observational nature of the datasets and collection via commercial devices and apps pose challenges, however, including the potential for measurement, population, and/or selection bias, as well as missing data. In this article, we review insights gleaned from these datasets and propose best practices for addressing the limitations of large-scale data from apps and wearables. Our goal is to enable researchers to effectively harness the data from smartphone apps and wearable devices to better understand what drives physical activity and other health behaviors., Competing Interests: Competing interestsP.K. and B.B. are co-founders, employees, and partial owners of Azumio, Inc, a smartphone app for tracking activity and health. They donated data for independent analysis and contributed to the article, as described above. J.L. is on the scientific advisory board of Azumio, Inc. The remaining authors declare no competing interests.

Published
2019
Full Text
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