Measurement of the $B_c^{-}$ meson lifetime in the decay $B_{c}^{-} \rightarrow J/\psi~\pi^{-}$
T Aaltonen,R C Field,A G Clark,J R Dittmann,M Bauce, B A Barnett,M A Ciocci,I Shreybertecker, A Penzo,I Oksuzian,Jong Sub Lee, K Matera,M Iori,D Krop,P Dong, K Cho,H S Budd, R Erbacher,S Pagan Griso,A Sukhanov, V Khotilovich, S Y Noh,P Barria,U K Yang,W Ketchum,M Hurwitz, G Giurgiu,A Varganov, M Paulini, P Squillacioti,D Amidei,H Gerberich,Y Kato, J Kroll, E Lipeles, T R Junk,M Lindgren,A Kasmi,A Mitra,S Wilbur,B Jayatilaka,J Yoh, G B Yu, S Y Jun,J Bellinger, F Chlebana, M Cavallisforza,J Budagov, L Santi,K Kondo,J Guimaraes Da Costa,M H Kirby,T Rodriguez,K Takemasa,R E Hughes,Y Nagai, D Bisello,G A Thompson,M Franklin, C P Marino,Sang Woo Lee,C Calancha,D Jang,C Bromberg, N Kimura,S Behari, N Giokaris,K Pitts, P Maestro, A Boveia,S Wolbers,G Apollinari,P Lukens,I Gorelov, A Zanetti, A A Paramonov, T Miao,J Conway, A Buzatu, A Warburton, G P Yeh,J Asaadi,S Z Shalhout,C Pagliarone, M Gallinaro,R St Denis, D J Kong,E Gerchtein, J Cuevas,A Simonenko,C Clarke, Hongxian Song,G Pauletta, J Strologas,G Volpi,Rustin M Moore,D Lucchesi,J E Kim, B Stelzer,N Moggi,A Hocker,L Oakes,G Manca, O Stelzerchilton,F Happacher,R L Wagner,Sinead Farrington, B L Winer,C Hays, S Leo, Xinli Wu, M S Neubauer,J E Garcia,W Ashmanskas,J Antos, D Carlsmith, A Lath,A Mehta,H Wolfe,K Gibson,M Donofrio, C Mesropian, C Plager,Hideaki Miyake,J Naganoma,Yasuhiro Takeuchi,B Di Ruzza, K Burkett,J Heinrich,D Pellett, P E Karchin, S Giagu, A Soha,D J Cox,M Heck,D Horn, E Halkiadakis, S Grinstein,F Devoto, K Maeshima,V Sorin,D H Kim, G Busetto,J Pilot, Peter W F Wilson,Y Sudo,K Lannon,S Poprocki,P Giromini,M Hussein,A Safonov,M Vogel,B Blumenfeld,V Saveliev, T Rodrigo,Hyung Soon Kim, B Kilminster, F Azfar,A Anastassov, L Brigliadori, I Nakano,R Forrest,M Trovato, S Errede,J Lys,L Ortolan,A Rahaman, T Yoshida,P Renton,I Suslov,G Chiarelli, S Hewamanage,T Liu, M Casarsa,D Chokheli, L Cerrito,Andrea Castro, A Loginov, K Hatakeyama,Y D Oh,T Kamon,J Lueck,V Rusu,P Murat,A Artikov, M Kruse, F Wick,D Yamato, P Catastini,T J Phillips,Kouji Yamamoto,R Lander,T Riddick,S Moed, A Barbarogaltieri, M Shochet, J Nachtman, S R Hahn,A Calamba, P Wittich,M Campbell, C Liu, L Scodellaro,M J Morello, F Canelli,J Thom,S Kwang,G Piacentino,G Velev,M Kreps,A Eppig,H H Williams, D Bortoletto,M E Mattson, S Jindariani,Hongtao Liu,Y C Chen,J Konigsberg,V Glagolev,F Vazquez, S Tokar, I Bizjak, L Demortier, S Seidel,Y K Kim,E J Jeon,J Thome, Wester W C,G Chlachidze, A Bocci, C J Lin,D Tonelli,M Mussini, R Roser,T Shears,B Casal, J Vizan, A T Laasanen,M Hare, A Cerri, F Ukegawa, M Kurata,B Alvarez Gonzalez,T Wright,K K Joo,A Schmidt,R Carosi,A Pranko, Qizhong Liu, I Redondo,D Stentz,M Datta,E Brucken, A Robson, C Neu,A Napier,Matthew Jones, N Dascenzo, B Auerbach,Y Funakoshi, S M Wang, F Scuri, K Hara, P K Teng, A Limosani, T Dorigo, E Wicklund, V E Barnes, S H Oh,A Di Canto,N Ershaidat,W K Sakumoto,F Ruffini, A Scribano, K Yorita,C Zhou, G Punzi, T Lecompte, G Introzzi,K Potamianos, S Rolli,R Vilar,M Frank, S Leone,J P Fernandez,J Patrick,O Norniella,M E Convery, J S Wilson, A Ivanov,K R Bland, P Sinervo,L Pondrom, M Shimojima,T Arisawa, A F Garfinkel,T Wakisaka, D Goldin,P Garosi, G Bellettini,P Schlabach, G Flanagan,K Ebina,P Lujan,N Hussain,D Torretta, Y S Chung,M Goncharov,S Lockwitz,A Aurisano,M Cordelli, F Bedeschi, C M Ginsburg, I Vila,S Carrillo,P Mazzanti,S Lammel,A Hamaguchi, L Ristori, I Yu,D Mietlicki, V Giakoumopoulou, M Rescigno,A Lister, J Freeman,A Semenov, J C Yun, R F Harr,Jesper Bo Nielsen,M J Kim,J Nett,Jing Tang,E Thomson, A Bhatti, E D James,D O Litvintsev,C Grossopilcher,E Palencia,D Glenzinski,F D Snider, Phillip Ryan Wagner,O Gonzalez, W Hopkins,K J Knoepfel, M Derrico,M Corbo,U Husemann,M Lancaster, A Savoynavarro, R Orava,Yanhong Zeng, V Krutelyov, D Waters, D Cauz,S Hou,P Totaro,M N Mondragon, D Benjamin,G L Strycker,D Dagenhart,K Sliwa, A B Wicklund,A Golossanov, K Yi,F Margaroli,F Ptohos,K S Mcfarland, G Gomez,M Herndon,B Carls,S Amerio,J D Lewis,M Tecchio,Th Muller,R Culbertson, J Huston,Zhijian Wu,M Dellorso,F Rimondi, A Bodek, M Chertok,Eunha Lee,E E Schmidt, Merce Otero Vidal,S Zucchelli,M Stancari,A Annovi,J A Appel, A Beretvas, A Mukherjee, John C Russ,M Dorigo, C A Cox, P F Shepard, A V Kotwal,G Compostella,E Rogers, Yasuhisa Sakurai, S Malik,R Wallny, Taehyun Bae,J R Smith,P Mcintyre,M Gold, S Donati,R Lysak,N Goldschmidt, R Eusebi,P Movilla Fernandez,V Ramakrishnan, W H Chung, M Campanelli,T Okusawa, D Whiteson,W Badgett, I Furic, P Mastrandrea, M Feindt,J Keung,F Sforza,Y C Yang,S Lami,Jee Young Han,W M Yao,V Cavaliere,S B Kim,P De Barbaro,J Morlock, F Prokoshin, A Manousakiskatsikakis,T Yang,S Carron,P Bartos, D Toback, K Goulianos, P Giannetti, K Tollefson, T Schwarz, A T Goshaw, Y Seiya,E Pianori, G Gomezceballos,K Sato, F Crescioli, G Lungu,C Vellidis, T Kuhr,C S Moon, J Boudreau,S Torre,S S Yu,A Ruiz,P Mehtala,R Mcnulty,S Klimenko,A Elagin,R Madrak, C Paus, M Deninno,S Camarda,A Mazzacane, P Bussey,V Papadimitriou,N Ranjan,L Nodulman,Daryl Hare,H S Lee,S Uozumi,T Tomura,G Latino, M Martinez
PHYSICAL REVIEW D（2013）
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摘要
The lifetime of the B-c(-) meson is measured using 272 exclusive B-c(-) -> J/psi (-> mu(+) mu(-))pi(-) decays reconstructed in data from proton-antiproton collisions corresponding to an integrated luminosity of 6.7 fb(-1) recorded by the CDF II detector at the Fermilab Tevatron. The lifetime of the B-c(-) meson is measured to be tau(B-c(-)) = 0.452 +/- 0.048(stat) +/- 0.027(syst) ps. This is the first measurement of the B-c(-) meson lifetime in a fully reconstructed hadronic channel, and it agrees with previous results and has comparable precision. DOI: 10.1103/PhysRevD.87.011101
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