A precise measurement of the tau lifetime
- Abdallah, J
- Abreu, P
- Adam, W
- Adzic, P
- Albrecht, T
- Alderweireld, T
- Alemany-Fernandez, R
- Allmendinger, T
- Allport, P
- Amaldi, U
- Amapane, N
- Amato, S
- Anashkin, E
- Andreazza, A
- Andringa, S
- Anjos, N
- Antilogus, P
- Apel, WD
- Arnoud, Y
- Ask, Stefan
- Asman, B
- Augustin, E
- Augustinus, A
- Baillon, P
- Ballestrero, A
- Bambade, P
- Barbier, R
- Bardin, D
- Barker, J
- Baroncelli, A
- Battaglia, M
- Baubillier, M
- Becks, KH
- Begalli, M
- Behrmann, A
- Ben-Haim, E
- Benekos, N
- Benvenuti, A
- Berat, C
- Berggren, M
- Berntzon, L
- Bertrand, D
- Besancon, M
- Besson, N
- Bloch, D
- Blom, M
- Bluj, M
- Bonesini, M
- Boonekamp, M
- Booth, L
- Borisov, G
- Botner, O
- Bouquet, B
- Bowcock, V
- Boyko, I
- Bracko, M
- Brenner, R
- Brodet, E
- Bruckman, P
- Brunet, M
- Bugge, L
- Buschmann, P
- Calvi, M
- Camporesi, T
- Canale, V
- Carena, F
- Castro, N
- Cavallo, F
- Chapkin, M
- Charpentier, P
- Checchia, P
- Chierici, R
- Chliapnikov, P
- Chudoba, J
- Chung, U
- Cieslik, K
- Collins, P
- Contri, R
- Cosme, G
- Cossutti, F
- Costa, J
- Crennell, D
- Cuevas, J
- D'Hondt, J
- Dalmau, J
- da Silva, T
- Da Silva, W
- Della Ricca, G
- De Angelis, A
- De Boer, W
- De Clercq, C
- De Lotto, B
- De Maria, N
- De Min, A
- de Paula, L
- Di Ciaccio, L
- Di Simone, A
- Doroba, K
- Drees, J
- Dris, M
- Eigen, G
- Ekelof, T
- Ellert, M
- Elsing, M
- Santo, CE
- Fanourakis, G
- Fassouliotis, D
- Feindt, M
- Fernandez, J
- Ferrer, A
- Ferro, F
- Flagmeyer, U
- Foeth, H
- Fokitis, E
- Fulda-Quenzer, F
- Fuster, J
- Gandelman, M
- Garcia, C
- Gavillet, P
- Gazis, E
- Gokieli, R
- Golob, B
- Gomez-Ceballos, G
- Goncalves, P
- Graziani, E
- Grosdidier, G
- Grzelak, K
- Guy, J
- Haag, C
- Hallgren, A
- Hamacher, K
- Hamilton, K
- Haug, S
- Hauler, F
- Hedberg, Vincent
- Hennecke, M
- Herr, H
- Hoffman, J
- Holmgren, SO
- Holt, J
- Houlden, A
- Hultqvist, K
- Jackson, N
- Jarlskog, Göran
- Jarry, P
- Jeans, D
- Johansson, K
- Johansson, D
- Jonsson, P
- Joram, C
- Jungermann, L
- Kapusta, F
- Katsanevas, S
- Katsoufis, E
- Kernel, G
- Kersevan, P
- Kerzel, U
- Kiiskinen, A
- King, T
- Kjaer, J
- Kluit, P
- Kokkinias, P
- Kourkoumelis, C
- Kouznetsov, O
- Krumstein, Z
- Kucharczyk, M
- Lamsa, J
- Leder, G
- Ledroit, F
- Leinonen, L
- Leitner, R
- Lemonne, J
- Lepeltier, V
- Lesiak, T
- Liebig, W
- Liko, D
- Lipniacka, A
- Lopes, H
- Lopez, M
- Loukas, D
- Lutz, P
- Lyons, L
- MacNaughton, J
- Malek, A
- Maltezos, S
- Mandl, F
- Marco, J
- Marco, R
- Marechal, B
- Margoni, M
- Marin, JC
- Mariotti, C
- Markou, A
- Martinez-Rivero, C
- Masik, J
- Mastroyiannopoulos, N
- Matorras, F
- Matteuzzi, C
- Mazzucato, F
- Mazzucato, M
- Mc Nulty, R
- Meroni, C
- Migliore, E
- Mitaroff, W
- Mjörnmark, Ulf
- Moa, T
- Moch, M
- Moenig, K
- Monge, R
- Montenegro, J
- Moraes, D
- Moreno, S
- Morettini, P
- Mueller, U
- Muenich, K
- Mulders, M
- Mundim, L
- Murray, W
- Muryn, B
- Myatt, G
- Myklebust, T
- Nassiakou, M
- Navarria, F
- Nawrocki, K
- Nicolaidou, R
- Nikolenko, M
- Oblakowska-Mucha, A
- Obraztsov, V
- Olshevski, A
- Onofre, A
- Orava, R
- Osterberg, K
- Ouraou, A
- Oyanguren, A
- Paganoni, M
- Paiano, S
- Palacios, P
- Palka, H
- Papadopoulou, D
- Pape, L
- Parkes, C
- Parodi, F
- Parzefall, U
- Passeri, A
- Passon, O
- Peralta, L
- Perepelitsa, V
- Perrotta, A
- Petrolini, A
- Piedra, J
- Pieri, L
- Pierre, F
- Pimenta, M
- Piotto, E
- Podobnik, T
- Poireau, V
- Pol, E
- Polok, G
- Pozdniakov, V
- Pukhaeva, N
- Pullia, A
- Rames, J
- Read, A
- Rebecchi, P
- Rehn, J
- Reid, D
- Reinhardt, R
- Renton, P
- Richard, F
- Ridky, J
- Rivero, M
- Rodriguez, D
- Romero, A
- Ronchese, P
- Roudeau, P
- Rovelli, T
- Ruhlmann-Kleider, V
- Ryabtchikov, D
- Sadovsky, A
- Salmi, L
- Salt, J
- Sander, C
- Savoy-Navarro, A
- Schwickerath, U
- Segar, A
- Sekulin, R
- Siebel, M
- Sisakian, A
- Smadja, G
- Smirnova, Oxana
- Sokolov, A
- Sopczak, A
- Sosnowski, R
- Spassov, T
- Stanitzki, M
- Stocchi, A
- Strauss, J
- Stugu, B
- Szczekowski, M
- Szeptycka, M
- Szumlak, T
- Tabarelli, T
- Taffard, C
- Tegenfeldt, F
- Timmermans, J
- Tkatchev, L
- Tobin, M
- Todorovova, S
- Tome, B
- Tonazzo, A
- Tortosa, P
- Travnicek, P
- Treille, D
- Tristram, G
- Trochimczuk, M
- Troncon, C
- Turluer, ML
- Tyapkin, A
- Tyapkin, P
- Tzamarias, S
- Uvarov, V
- Valenti, G
- Van Dam, P
- Van Eldik, J
- Van Lysebetten, A
- van Remortel, N
- Vanvulpen, I
- Vegni, G
- Veloso, F
- Venus, W
- Verdier, P
- Verzi, V
- Vilanova, D
- Vitale, L
- Vrba, V
- Wahlen, H
- Washbrook, J
- Weiser, C
- Wicke, D
- Wickens, J
- Wilkinson, G
- Winter, M
- Witek, M
- Yushchenko, O
- Zalewska, A
- Zalewski, P
- Zavrtanik, D
- Zhuravlov, V
- Zimin, I
- Zintchenko, A
- Zupan, M
Publication date
January 2004
DOI Publisher
Springer Science and Business Media LLC ISSN
1434-6044 Citation count (estimate)
13Abstract
The tau lepton lifetime has been measured with the e(+) e(-) --> tau(+) tau(-) events collected by the DELPHI detector at LEP in the years 1991 - 1995. Three different methods have been exploited, using both one-prong and three-prong tau decay channels. Two measurements have been made using events in which both taus decay to a single charged particle. Combining these measurements gave tau(tau) ( 1 prong) = 291.8 +/- 2.3(stat) +/- 1.5(sys) fs. A third measurement using taus which decayed to three charged particles yielded tau(tau) (3 prong) = 288.6 +/- 2.4(stat) +/- 1.3(sys) fs. These were combined with previous DELPHI results to measure the tau lifetime, using the full LEP1 data sample, to be tau(tau) = 290.9 +/- 1.4(stat) +/- 1.0(sys) fs
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