Search For Charged Higgs Bosons In Decays Of Top Quark Pairs

B Abbott,D A Stoyanova,J Warchol,O V Eroshin,A Jonckheere, R Mccarthy,C S Mishra,E Won,L Lueking,T Yasuda,J Krane,D Lincoln,R Snihur, A Santoro, Zuomin Zhou, O Ramirez,G Gutierrez, P Tamburello,N N Biswas,J M Thompson,J M Hauptman, J A Wightman,N Varelas,J P Negret, J Li,R J Madaras, B Gibbard,K W Merritt,J D Hobbs, J Kotcher,C Yoshikawa,S Kahn,E G Zverev, R K Shivpuri,J Jaques,M M Baarmand, J M Kohli,Y Ducros, D Buchholz,J F Bartlett, U Heintz,S Y Jun,H B Prosper,Bannanje Sripath Acharya,G Guglielmo,T Marshall,S Rajagopalan, M Sosebee, V Babintsev, S R Dugad, R Breedon,M Paterno,S Snyder, D Koltick,J T White, S Protopopescu, G Steinbrueck,N Sotnikova,E Shabalina,H D Wahl,L Maganamendoza,M H G Souza,M I Martin,I Bertram,E Barberis, R Lipton,G E Forden,Jun Qian, P Baringer,A P Vorobev, J Tarazi,F Stichelbaut,K Yip, J H Christenson, A Volkov,K Del Signore,Sherry L Willis,M Zielinski,K S Hahn, Daniel John Karmgard,P C Bhat, L V Dudko,V D Elvira, M Diesburg, A Zieminski,J J Solomon,G Blazey,Peter W Draper, C E Gerber, S J Wimpenny,R P Smith,H Da Motta,Bernie May,M Mostafa,A V Kostritsky, A White,P Yamin,G Landsberg,P Z Quintas, R Piegaia, R Ruchti,A Sznajder,Yu Pishchalnikov,A Zylberstejn,J Womersley,Guangji Wang, N J Hadley, B Klima, E W Varnes,H Gordon, D Claes, J Snow, D Casey,F Landry,N I Bozhko,S Grinstein,A Lucotte,M E Johnson,A Brandt, D Cutts,Colin H Murphy,A L Lyon, F Nang,A Dyshkant,R Jesik,Yang Yu,Z H Zhu,V Oguri, R Engelmann,V Abramov,G A Alves,D Chakraborty,L Oesch,T L Geld,M R Krishnaswamy,S N Gurzhev,E Smith,N K Mondal, A A Mayorov, T Ferbel,D R J Owen, S B Hansen,A S Ito, Y Kulik,N Amos,Wei Chen, P I Goncharov,H E Fisk,D Coppage,J Bantly,V Vanev, Q Z Li, H E Montgomery,B Pawlik, E W Anderson,P Gutierrez,T G Trippe, R Partridge,N Oshima,M L Stevenson,A Goussiou, V Stolin, R Hirosky, S Reucroft,R Dean Schamberger,C K Jung, S Fuess, S Youssef,F Lobkowicz,Baoquan Zhang,V Manankov,G Watts,E A Kozlovsky, G Kalbfleisch,R Markeloff,R Brock,P Gartung,L T Goss, W Carvalho,A Bross, H Jostlein,Alexander Belyaev,P Yepes,S K Kim,Jasmine A Mcdonald,G Briskin,J Mckinley,Z Casilum,L Coney, D Edmunds,N Mokhov,C Miao,M Peters, D Karmanov,S Blessing,J B Singh,A P Heinson,H Schellman, Stephan Linn,C Cretsinger,A R Hernandezmontoya, S Mani, J S Hoftun,B G Pope,M Jones,J Ellison,R Madden, G R Snow,S Hagopian, J S Perkins, M A Shupe,Genik R J,B Choudhary,F Hsieh,L Sawyer,R E Hall,B Paul Padley, K Gounder, H A Neal,J V D Wirjawan,R Raja, S V Chekulaev,V Sirotenko,M Roco, D Zieminska,V Bhatnagar, M Rijssenbeek,N Parua,A Sanchezhernandez,L Babukhadia, P M Tuts, G Diloreto,S Kuleshov,M Merkin, S A Jerger,Y Fisyak,B Lauer,D Norman,O I Dahl,B Gomez,Suyong Choi, M Bhattacharjee,J L Gonzalez Solis,V N Evdokimov,T Rockwell,D Denisov,K De, D R Wood,P M Mooney, K Genser,V S Burtovoi,I Adam,H Miettinen,J M Guida,S B Beri,Vasken Hagopian,Anupam Gupta,M Demarteau,H Piekarz, T Heuring, T J Mcmahon,F Borcherding, M A C Cummings, S Gruenendahl,R W Stephens, S Krzywdzinski,K M Mauritz,John Butler, S Kunori, M K Fatyga, A K A Maciel,H L Melanson,M Tartaglia, J Cochran, A V Kozelov,S Ahn,T L T Thomas,P D Grannis,J Sculli,S Chopra,W E Cooper,D P Stoker,V S Narasimham, Gervasio Gomez,A I Mincer,S N Banerjee,H Castillavaldez,C Klopfenstein,Ziyu Wu, E Gallas,J Linnemann,Myunghee Chung, B Baldin,A Boehnlein, S P Denisov,J P Rutherfoord,A V Kotwal,D Hedin,T Mckibben,N Graf,Y Gershtein, R Kehoe,D Fein,N Parashar, A Baden,Dan Green,P Nemethy,B Hoeneisen, V Gavrilov,H Weerts,H K Singh,S Eno, P Grudberg,M Strovink,W G Cobau, D Cullenvidal, A Leflat,G Eppley,T Joffeminor, P Rubinov, V A Bezzubov,J G R Lima,H T Diehl,A R Clark,C Shaffer, M Strauss,M Narain, B Gobbi, Kathleen R Turner,H C Shankar,A Narayanan,R Yamada,H Haggerty, H S Mao,S Feher,Tong Hu, P Hanlet,H Greenlee,T Fahland, D L Adams, K Johns,D Shpakov,K Davis,P Ermolov,C L Hebert, M Wayne, M Abolins,M Adams,P C Bloom,C Boswell,E Flattum,K C Frame,A Para,Y M Park,Winston Ko, J Yu,M Fortner,A N Galyaev

PHYSICAL REVIEW LETTERS（1999）

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摘要

We present a search for charged Higgs bosons in decays of pair-produced top quarks using 109.2 +/- 5.8 pb(-1) of data recorded from p (p) over bar collisions at root s 1.8 TeV by the D0 detector during 1992-1996 at the Fermilab Tevatron. No evidence is found for charged Higgs production, and most parts of the [MH+, tan beta] parameter space where the decay t --> H(+)b has a branching fraction close to or larger than that for t --> W(+)b are excluded at 95% confidence level. Assuming m(t) = 175 GeV and sigma(p (p) over bar --> t (t) over bar) = 5.5 pb, for MH+ = 60 GeV, we exclude tan beta < 0.97 and tan beta > 40.9.

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关键词

elementary particles,top quark,higgs boson,top

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