Search For The Production Of Narrow T(B)Over-Bar Resonances In 1:9 Fb(-1) Of P(P)Over-Bar Collisions At Root S=1.96 Tev
T. Aaltonen,J. Adelman,T. Akimoto,B. Álvarez González,S. Amerio, D. Amidei, A. Anastassov,A. Annovi, J. Antos, G. Apollinari, A. Apresyan,T. Arisawa,A. Artikov,W. Ashmanskas,A. Attal,A. Aurisano, F. Azfar,W. Badgett, A. Barbaro-Galtieri,V. Barnes,B. Barnett,P. Barria,P. Bartos,V. Bartsch,G. Bauer,P.-H. Beauchemin,F. Bedeschi,D. Beecher,S. Behari, G. Bellettini, J. Bellinger,D. Benjamin, A. Beretvas,J. Beringer,A. Bhatti,M. Binkley, D. Bisello, I. Bizjak,R. Blair,C. Blocker, B. Blumenfeld, A. Bocci,A. Bodek, V. Boisvert, G. Bolla,D. Bortoletto,J. Boudreau, A. Boveia, B. Brau,A. Bridgeman, L. Brigliadori,C. Bromberg,E. Brubaker, J. Budagov,H. Budd,S. Budd,S. Burke, K. Burkett,G. Busetto, P. Bussey,A. Buzatu,K. Byrum,S. Cabrera,C. Calancha,M. Campanelli, M. Campbell,F. Canelli, A. Canepa,B. Carls, D. Carlsmith,R. Carosi,S. Carrillo,S. Carron, B. Casal,M. Casarsa,A. Castro,P. Catastini, D. Cauz,V. Cavaliere, M. Cavalli-Sforza,A. Cerri, L. Cerrito,S. Chang,Y. Chen, M. Chertok,G. Chiarelli,G. Chlachidze, F. Chlebana,K. Cho,D. Chokheli,J. Chou, G. Choudalakis,S. Chuang,K. Chung,W. Chung,Y. Chung, T. Chwalek, C. Ciobanu,M. Ciocci,A. Clark,D. Clark,G. Compostella,M. Convery,J. Conway,M. Cordelli, G. Cortiana,C. Cox,D. Cox, F. Crescioli,C. Cuenca Almenar,J. Cuevas, R. Culbertson, J. Cully,D. Dagenhart,M. Datta,T. Davies,P. de Barbaro,S. De Cecco, A. Deisher,G. De Lorenzo,M. Dell’Orso, C. Deluca, L. Demortier,J. Deng, M. Deninno,P. Derwent,A. Di Canto,G. di Giovanni, C. Dionisi,B. Di Ruzza, J. Dittmann,M. D’Onofrio, S. Donati,P. Dong,J. Donini,T. Dorigo,S. Dube, J. Efron,A. Elagin, R. Erbacher, D. Errede, S. Errede, R. Eusebi,H. Fang,S. Farrington, W. Fedorko, R. Feild, M. Feindt,J. Fernandez,C. Ferrazza, R. Field, G. Flanagan,R. Forrest,M. Frank,M. Franklin,J. Freeman, I. Furic,M. Gallinaro,J. Galyardt, F. Garberson,J. Garcia, A. Garfinkel, P. Garosi,K. Genser,H. Gerberich, D. Gerdes, A. Gessler,S. Giagu, V. Giakoumopoulou, P. Giannetti,K. Gibson,J. Gimmell, C. 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PHYSICAL REVIEW LETTERS（2009）
引用 71|浏览231
摘要
We present new limits on resonant t (b) over bar production in p (p) over bar collisions at root s = 1.96 TeV, using 1.9 fb(-1) of data recorded with the CDF II detector at the Fermilab Tevatron. We reconstruct a candidate t (b) over bar mass in events with a lepton, neutrino candidate, and two or three jets, and search for anomalous t (b) over bar production as modeled by W' -> t (b) over bar. We set a new limit on a right-handed W' with standard model-like coupling, excluding any mass below 800 GeV/c(2) at 95% C.L. The cross section for any narrow, resonant t (b) over bar production between 750 and 950 GeV/c(2) is found to be less than 0.28 pb at 95% C. L. We also present an exclusion of the W' coupling strength versus W' mass over the range 300-950 GeV/c(2).
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