Measurement Of The B-]Tau(-)(Nu)Over-Bar-(Tau)X Branching Ratio And An Upper Limit On B--]Tau(-)(Nu)Over-Bar-(Tau)
D Buskulic,D Casper,I De Bonis,D Decamp,Ph Ghez, C Goy,J P Lees,M N Minard,P Odier, B Pietrzyk,F Ariztizabal,M Chmeissani,J M Crespo,I Efthymiopoulos, E Fernandez,M Fernandezbosman,V Gaitan,L Garrido, Marta Escola Martinez,S Orteu,A Pacheco,C Padilla,F Palla,A Pascual,J A Perlas,Francisca Javiela Munoz Sanchez,F Teubert, D Creanza,M De Palma, A Farilla, G Iaselli, G Maggi,N Marinelli,S Natali,S Nuzzo,A Ranieri,G Raso, F Romano, F Ruggieri,G Selvaggi, L Silvestris,P Tempesta, G Zito,X Huang, Jian Lin,Qun Ouyang,Tian Wang,Yang Xie,R Xu,Song Xue,Jian Zhang, L Zhang,Weian Zhao,G Bonvicini, J Boudreau,P Comas,P Coyle, H Drevermann,A Engelhardt,R Forty,M Frank,G Ganis, Carol V Gay,M Girone,R Hagelberg,John Harvey,R G Jacobsen, B Jost,J Knobloch,I Lehraus,Mario Maggi, C Markou,E B Martin, P Mato,H Meinhard, A Minten,R Miquel,P Palazzi,J R Pater, P Perrodo,J F Pusztaszeri,F Ranjard,L Rolandi,D Schlatter, M Schmelling,W Tejessy,I R Tomalin,R Veenhof,A Venturi,H Wachsmuth, W Wiedenmann,W Witzeling, J Wotschack, Z Ajaltouni,M Bardadinotwinowska,A Barres,C Boyer,A Falvard, P Gay, C Guicheney, P Henrard,J Jousset,B Michel,S Monteil,J C Montret, D Pallin, P Perret, F Podlyski,J Proriol,J M Rossignol,F Saadi,T Fearnley, J B Hansen, P H Hansen,Susan D Johnson,R Mollerud,B S Nilsson, A Kyriakis,E Simopoulou,I Siotis,A Vayaki,K Zachariadou, A Blondel,G R Bonneaud,J C Brient,P Bourdon,L Passalacqua, A Rouge,M Rumpf, R Tanaka,A Valassi,M Verderi,H Videau,D J Candlin,M I Parsons,E Veitch, E Focardi,G Parrini,M Corden,M Delfino,C Georgiopoulos,D E Jaffe,A Antonelli, G Bencivenni,G Bologna,F Bossi, P Campana,G Capon,F Cerutti, V Chiarella,G Felici,P Laurelli,G Mannocchi, F Murtas, G P Murtas, M Pepealtarelli,S Salomone,P Colrain,I Ten Have,I G Knowles,J G Lynch,W Maitland,W T Morton,C Raine,Peter R Reeves,J M Scarr, K J Smith,M G Smith,A S Thompson,S Thorn,R M Turnbull,U Becker,O Braun, C Geweniger, P Hanke,V Hepp, E E Kluge,A Putzer,B Rensch,M P Schmidt, H Stenzel,K Tittel,M Wunsch, R Beuselinck, D M Binnie,W Cameron,M Cattaneo,David Colling,P J Dornan,J F Hassard, N Konstantinidis,L Moneta, A Moutoussi, J Nash, D G Payne,G San Martin, J K Sedgbeer,A G Wright, G Dissertori,P Girtler, E Kneringer, D Kuhn, G Rudolph,C K Bowdery,T J Brodbeck, A J Finch,F Foster, G Hughes,D J Jackson,N R Keemer,M Nuttall, Alpesh Patel, T Sloan,S W Snow,E P Whelan,A Galla,A M Greene, K Kleinknecht,J Raab,B Renk, H G Sander, H R Schmidt,S M Walther,R Wanke,B A Wolf,A M Bencheikh, C Benchouk,A Bonissent,D Calvet,J Carr,C Diaconu, F Etienne,D Nicod,P Payre,L Roos,David Rousseau, M Talby,I Abt,S Adlung,R Assmann,C Bauer, W Blum,D N Brown,P W Cattaneo,B Dehning,H Dietl, F Dydak,A W Halley, K Jakobs, H Kroha,J Lauber, G Lutjens, G Lutz,W Manner, H G Moser,Robert Richter,Jan Schroder,A S Schwarz,R Settles,H Seywerd,U Stierlin,U Stiegler,R St Denis, G Wolf,R Alemany,J Boucrot, O Callot,A Cordier,F Courault, M Davier, L Duflot, J F Grivaz, P Heusse,M Jacquet, P Janot,D W Kim,F Le Diberder, J Lefrancois,A M Lutz,G Musolino,I Nikolic,Hyung Joo Park, I C Park,M H Schune, S Simion, J J Veillet, I Videau, D Abbaneo, G Bagliesi,G Batignani,S Bettarini,U Bottigli, C Bozzi, G Calderini,M Carpinelli, M A Ciocci, V Ciulli, R Dellorso,I Ferrante,F Fidecaro,L Foa, F Forti, A Giassi,M A Giorgi,A Gregorio, F Ligabue,A Lusiani,P S Marrocchesi, A Messineo,G Rizzo,G Sanguinetti,A Sciaba,P Spagnolo,J Steinberger, R Tenchini, G Tonelli,G Triggiani,C Vannini, P G Verdini, J Walsh,A P Betteridge, M G Green,D L Johnson,T Medcalf,Ll M Mir,I S Quazi,J A Strong,V Bertin,D R Botterill, R W Clifft, T R Edgecock, S J Haywood, Mark C Edwards,P Maley,P R Norton,J C Thompson,B Blochdevaux,P Colas,H Duarte,S Emery,W Kozanecki,E Lancon,M C Lemaire, E Locci,B Marx,P Perez, J Rander,J F Renardy, A Rosowsky,A Roussarie,J P Schuller, J Schwindling,D Si Mohand,A Trabelsi,B Vallage,R P Johnson, A M Litke, G R Taylor,J A Wear, A J Beddall,C N Booth,C Boswell,S Cartwright,F Combley, I Dawson,A Koksal,M Letho,W M Newton,C Rankin,L F Thompson,A Bohrer,S Brandt, G Cowan, E Feigl, C Grupen,G Lutters,J Minguetrodriguez,F Rivera,P Saraiva,U Schafer,L Smolik,L Bosisio,R Della Marina,G Giannini,B Gobbo,L Pitis, F Ragusa,H Kim, J Rothberg, S Wasserbaech, L Bellantoni,J Conway,Z Feng,D Ferguson,Y S Gao,J Grahl,J L Harton,O J Hayes, H Hu,J Nachtman, Y B Pan,Y Saadi, M Schmitt,I J Scott, V Sharma,J D Turk,A M Walsh,F V Weber,T Wildish,Sau Lan Wu, Xiaoqing Wu,J M Yamartino,M Zheng, G Zobernig
PHYSICS LETTERS B（1995）
引用 131|浏览109
摘要
Using 1.45 million hadronic Z decays collected by the ALEPH experiment at LEP, the b --> tau(-) ($) over bar V(tau)X branching ratio is measured to be 2.75 +/- 0.30 +/- 0.37%. In addition an upper limit of 1.8 x 10(-3) at 90% confidence level is placed upon the exclusive branching ratio of B- --> tau(-)($) over bar V-tau. These measurements are consistent with SM expectations, and put the constraint tan beta/M(H+) < 0.52 GeV-1 at 90% confidence level on all Type II two Higgs doublet models (such as the MSSM).
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