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）

Cited 126|Views114

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Abstract

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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