Direct search for charged higgs bosons in decays of top quarks.

Abazov V M,Abbott B,Abdesselam A,Abolins M,Abramov V, Acharya B S,Adams D L,Adams M,Ahmed S N,Alexeev G D,Alves G A,Amos N,Anderson E W,Baarmand M M,Babintsev V V,Babukhadia L,Bacon T C, Baden A, Baldin B,Balm P W,Banerjee S,Barberis E, Baringer P, Barreto J, Bartlett J F,Bassler U,Bauer D, Bean A,Begel M,Belyaev A, Beri S B,Bernardi G, Bertram I,Besson A,Beuselinck R,Bezzubov V A, Bhat P C,Bhatnagar V, Bhattacharjee M,Blazey G,Blessing S, Boehnlein A, Bojko N I, Borcherding F, Bos K,Brandt A, Breedon R, Briskin G,Brock R, Brooijmans G, Bross A, Buchholz D, Buehler M, Buescher V,Burtovoi V S,Butler J M,Canelli F, Carvalho W, Casey D, Casilum Z, Castilla-Valdez H,Chakraborty D,Chan K M, Chekulaev S V,Cho D K, Choi S, Chopra S, Christenson J H, Chung M, Claes D,Clark A R, Cochran J,Coney L,Connolly B, Cooper W E, Coppage D, Cummings M A C, Cutts D, Davis G A,Davis K,De K,de Jong S J,Del Signore K,Demarteau M, Demina R, Demine P, Denisov D, Denisov S P, Desai S,Diehl H T, Diesburg M,Di Loreto G, Doulas S, Draper P,Ducros Y,Dudko L V,Duensing S, Duflot L, Dugad S R, Dyshkant A, Edmunds D,Ellison J, Elvira V D,Engelmann R, Eno S, Eppley G, Ermolov P, Eroshin O V,Estrada J,Evans H, Evdokimov V N,Fahland T,Feher S,Fein D, Ferbel T,Filthaut F, Fisk H E,Fisyak Y, Flattum E,Fleuret F, Fortner M, Frame K C, Fuess S, Gallas E, Galyaev A N,Gao M, Gavrilov V, Genik R J, Genser K, Gerber C E,Gershtein Y, Gilmartin R, Ginther G,Gómez B,Gómez G, Goncharov P I,González Solís J L, Gordon H, Goss L T, Gounder K, Goussiou A, Graf N,Graham G,Grannis P D, Green J A, Greenlee H,Grinstein S, Groer L, Grünendahl S, Gupta A,Gurzhiev S N, Gutierrez G, Gutierrez P, Hadley N J, Haggerty H,Hagopian S, Hagopian V,Hall R E, Hanlet P, Hansen S,Hauptman J M,Hays C,Hebert C,Hedin D,Heinson A P,Heintz U, Heuring T,Hildreth M D, Hirosky R, Hobbs J D,Hoeneisen B,Huang Y, Illingworth R, Ito A S, Jaffré M,Jain S, Jesik R,Johns K,Johnson M, Jonckheere A, Jones M, Jöstlein H,Juste A, Kahn S,Kajfasz E, Kalinin A M, Karmanov D, Karmgard D, Kehoe R,Kharchilava A,Kim S K, Klima B,Knuteson B, Ko W, Kohli J M, Kostritskiy A V, Kotcher J,Kotwal A V, Kozelov A V, Kozlovsky E A, Krane J, Krishnaswamy M R, Krivkova P, Krzywdzinski S,Kubantsev M,Kuleshov S, Kulik Y, Kunori S, Kupco A, Kuznetsov V E,Landsberg G, Leflat A, Leggett C,Lehner F,Li J, Li Q Z, Lima J G R, Lincoln D,Linn S L,Linnemann J, Lipton R,Lucotte A, Lueking L,Lundstedt C,Luo C, Maciel A K A, Madaras R J, Malyshev V L, Manankov V, Mao H S,Marshall T,Martin M I, Martin R D, Mauritz K M,May B, Mayorov A A, McCarthy R, McDonald J,McMahon T, Melanson H L,Merkin M,Merritt K W, Miao C, Miettinen H, Mihalcea D,Mishra C S, Mokhov N,Mondal N K, Montgomery H E,Moore R W,Mostafa M,da Motta H, Nagy E, Nang F,Narain M,Narasimham V S, Neal H A,Negret J P,Negroni S, Nunnemann T, O'Neil D,Oguri V,Olivier B, Oshima N, Padley P, Pan L J,Papageorgiou K, Para A, Parashar N, Partridge R, Parua N,Paterno M, Patwa A,Pawlik B,Perkins J,Peters M,Peters O, Pétroff P, Piegaia R, Piekarz H,Pope B G, Popkov E, Prosper H B, Protopopescu S,Qian J,Raja R,Rajagopalan S, Ramberg E, Rapidis P A,Reay N W, Reucroft S, Rha J,Ridel M, Rijssenbeek M, Rockwell T, Roco M, Rubinov P, Ruchti R,Rutherfoord J, Sabirov B M, Santoro A,Sawyer L, Schamberger R D,Schellman H, Schwartzman A,Sen N,Shabalina E, Shivpuri R K, Shpakov D, Shupe M, Sidwell R A,Simak V, Singh H, Singh J B, Sirotenko V, Slattery P,Smith E, Smith R P, Snihur R, Snow G R,Snow J,Snyder S,Solomon J,Sorín V,Sosebee M,Sotnikova N, Soustruznik K, Souza M,Stanton N R, Steinbrück G,Stephens R W,Stichelbaut F,Stoker D, Stolin V, Stoyanova D A, Strauss M, Strovink M, Stutte L,Sznajder A,Taylor W, Tentindo-Repond S,Tripathi S M, Trippe T G, Turcot A S,Tuts P M,van Gemmeren P, Vaniev V,Van Kooten R, Varelas N,Vertogradov L S, Volkov A A, Vorobiev A P,Wahl H D,Wang H,Wang Z-M,Warchol J, Watts G, Wayne M, Weerts H, White A, White J T, Whiteson D, Wightman J A, Wijngaarden D A,Willis S,Wimpenny S J, Womersley J, Wood D R,Yamada R,Yamin P, Yasuda T, Yatsunenko Y A,Yip K,Youssef S, Yu J, Yu Z, Zanabria M, Zheng H,Zhou Z, Zielinski M, Zieminska D, Zieminski A, Zutshi V, Zverev E G, Zylberstejn A, Null Null

PHYSICAL REVIEW LETTERS（2002）

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摘要

We present a search for charged Higgs bosons in decays of pair-produced top quarks in pp collisions at sqrt[s] = 1.8 TeV recorded by the D0 detector at the Fermilab Tevatron collider. With no evidence for signal, we exclude most regions of the ( M(H+/-),tan(beta)) parameter space where the decay t--> H(+)b has a branching fraction >0.36 and B(H+/--->tau(nu)(tau)) is large.

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关键词

top quark,higgs boson

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