Search for W ' ? t b resonances with left- and right-handed couplings to fermions

V M Abazov,B Abbott, Bannanje Sripath Acharya,Martin Adams, Teri Adams, G D Alexeev, G Alkhazov,A Alton,G Alverson,G A Alves,L S Ancu, Masayoshi Aoki,M Arov, A Askew, B Asman, O Atramentov,C Avila,J Backusmayes,F Badaud,L Bagby, B Baldin,D V Bandurin,Sunanda Banerjee, E Barberis, P Baringer,J Barreto,J F Bartlett,U Bassler, V E Bazterra,S Beale,A Bean,M Begalli,M Begel,C Belangerchampagne, L Bellantoni,S B Beri, G Bernardi, R Bernhard,I Bertram, M Besancon,R Beuselinck,V A Bezzubov,P C Bhat,Vipin Bhatnagar,G Blazey,S Blessing,K Bloom,A Boehnlein,D Boline, T A Bolton,E E Boos,G Borissov,T Bose,A Brandt,O Brandt,R Brock,G Brooijmans,A Bross, Dorothy Brown,J Brown,Xianbiao Bu,M Buehler,V Buescher,V Bunichev,S Burdin,T H Burnett, C P Buszello,B Calpas,E Camachoperez, M A Carrascolizarraga,B C K Casey,H Castillavaldez, S Chakrabarti,D Chakraborty,Kevin K Chan,Avdhesh Chandra,Guan Yow Chen,S Chevalierthery,David Cho, Soon Cho,Sungjoo Choi,B Choudhary,T Christoudias, S Cihangir, D Claes,J Keith Clutter,Mark Cooke,W E Cooper,M Corcoran,F Couderc,M C Cousinou,A Croc, D Cutts,A Das,G Davies,K De,S J De Jong,Eduard De La Cruzburelo,F Deliot,M Demarteau, R Demina,D Denisov, S P Denisov,S Desai,K Devaughan,H Thomas Diehl, M Diesburg,A Dominguez, T Dorland, A K Dubey, L V Dudko, D Duggan,A Duperrin,Shantanu Dutt,A Dyshkant, M Eads, D Edmunds, J Ellison,V D Elvira, Y Enari,H Evans,A Evdokimov,V N Evdokimov,G Facini, T Ferbel,F Fiedler,F Filthaut, Wayne G Fisher,H E Fisk,M Fortner,H Fox,S Fuess, T Gadfort, A Garciabellido, V Gavrilov,Paolo Gay,W Geist,Geng Wang, D Gerbaudo, C E Gerber,Yu Gershtein,G Ginther,G Golovanov,A Goussiou,P D Grannis,S Greder,H Greenlee, Z D Greenwood,Eduardo De Moraes Gregores,G Grenier,Ph Gris,J F Grivaz,A Grohsjean,S Grunendahl,M W Grunewald,Fang Zhun Guo,Gustavo Gutierrez,Phillip Gutierrez,A Haas,S Hagopian, J Haley,Liang Han, K Harder, A Harel,J M Hauptman, J Hays,T Head, T Hebbeker, D Hedin,H Hegab,A P Heinson, U Heintz,C Hensel,Ivan Heredia De La Cruz,K Herner,M D Hildreth, R Hirosky,Thang Manh Hoang,J D Hobbs,B Hoeneisen, M Hohlfeld,Shahadat Hossain, Z Hubacek,N Huske, Vladimir Hynek, I Iashvili,R Illingworth,A S Ito,S Jabeen,M Jaffre,S K Jain,David Olivier Jamin,R Jesik, K Johns,Marvin Johnson,David C Johnston,A Jonckheere,Patrik Jonsson, Jaimini Joshi,A Juste, K Kaadze,E Kajfasz,D Karmanov, P A Kasper,I Katsanos,Robert Kehoe,Salah Kermiche,N Khalatyan, A Khanov, A Kharchilava,Y N Kharzheev,D Khatidze, M H Kirby, J M Kohli,A V Kozelov,James Kraus,A Kumar, A Kupco,T Kurca, V N Kuzmin, J Kvita,S Lammers,Greg Landsberg, P Lebrun,Hyuk Lee,Seong Jae Lee,William Lee,J Lellouch,L L Li,Q Z Li,S M Lietti, J Y Lim,D Lincoln,J Linnemann, V V Lipaev, R Lipton,Yan Liu, Zhi An Liu,A Lobodenko,M Lokajicek, Peter Love, H J Lubatti,R Lunagarcia,A L Lyon,A K A Maciel,D Mackin,R Madar, R Maganavillalba,Sudhir Malik, V L Malyshev, Y Maravin,J Martinezortega,R Mccarthy,C L Mcgivern,M De Meijer,A Melnitchouk, D P Menezes,P G Mercadante,M Merkin,A Meyer,J Meyer, Francesco Miconi,N K Mondal,G S Muanza, M Mulhearn,E Nagy,M Naimuddin,M Narain,R Nayyar, H A Neal,J P Negret, P Neustroev,S F Novaes, T Nunnemann,G Obrant,Juan Manuel Orduna,Nael F Osman,J Osta,G J Otero Y Garzon,Michael J Owen,M Padilla,M Pangilinan,N Parashar,V Parihar,Seung Jung Park,John Parsons,R Bruce Partridge,N Parua, A Patwa, B Penning, M Perfilov,K Peters,Y Peters,G Petrillo,P Petroff, R Piegaia,J Piper, M A Pleier,P L M Podestalerma,V M Podstavkov,M E Pol,P Polozov,A V Popov,M Prewitt,Darren Price, S Protopopescu,Jianming Qian, Andre Quadt, B Quinn, M S Rangel,K Ranjan,P N Ratoff,I Razumov, P Renkel,M Rijssenbeek,I Rippbaudot, F Rizatdinova,M Rominsky, C Royon, P Rubinov,Randy Ruchti, G Safronov, G Sajot,A Sanchezhernandez,M P Sanders,B Sanghi,Alexandre Santos,G Savage, L Sawyer,T Scanlon, R D Schamberger,Y Scheglov,H Schellman,T Schliephake,S Schlobohm, C Schwanenberger,R Schwienhorst,J Sekaric, H Severini,E Shabalina,V Shary,A A Shchukin, R K Shivpuri, V Simak, Tutanon Sinthuprasith,V Sirotenko, P Skubic,P Slattery,D Smirnov,K J Smith, G R Snow, J Snow,S Snyder,S Soldnerrembold, L Sonnenschein,A Sopczak, M Sosebee,K Soustruznik, B Spurlock,J P Stark, V Stolin,D A Stoyanova, M Strauss,D Strom,L Stutte, L J Suter,P Svoisky,Masashi Takahashi, A Tanasijczuk,W Taylor,Maksym Titov,V V Tokmenin, D Tsybychev,B Tuchming,Christopher G Tully, P M Tuts,L Uvarov, S V Uvarov,S Uzunyan,R Van Kooten,W M Van Leeuwen, N Varelas, E W Varnes,I A Vasilyev,P Verdier, L S Vertogradov,M Verzocchi,M Vesterinen, D Vilanova,P Vint, P Vokac,H D Wahl,M H L S Wang, Jadwiga Warchol, G Watts, M Wayne,M Weber,L Weltyrieger,A White, D Wicke,M R J Williams,G W Wilson, S J Wimpenny,M Wobisch, D R Wood, T R Wyatt, Yao Xie, Cuichun Xu,S Yacoob,R Yamada,Wangcheng Yang,T Yasuda,Y A Yatsunenko,Zhen Z Ye,Haizhou Yin,Kenneth W Yip,S W Youn,Jonathan Yu,S Zelitch,Tianchi Zhao,Boqing Zhou,Jonathan J H Zhu, M Zielinski, D Zieminska,L Zivkovic

Physics Letters B（2011）

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摘要

We present a search for the production of a heavy gauge boson, W′, that decays to third-generation quarks, by D0 Collaboration in pp¯ collisions at s=1.96 TeV. We set 95% confidence level upper limits on the production cross section times branching fraction. For the first time, we set limits for arbitrary combinations of left- and right-handed couplings of the W′ boson to fermions. For couplings with the same strength as for the standard model W boson, we set the following limits, assuming that there are right-handed neutrinos νR for all three generations with M(W′)>m(νR): M(W′)>863GeV for purely left-handed couplings, M(W′)>885GeV for purely right-handed couplings, and M(W′)>916GeV if both left- and right-handed couplings are present. The limit for right-handed couplings improves for M(W′)890GeV.

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关键词

Wprime,Resonances,Top quark,Bottom quark,Left–right couplings

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