Measurement Of The B-C(+/-) Production Cross Section In P(P)Over-Tilde Collisions At Root S=1.96 Tev

T. Aaltonen,Susana Cabrera, Cristobal Cuenca Almenar,B Alvarez Gonzalez,B. Casal,Javier Cuevas,Gervasio Gomez, T Rodrigo,Alberto Ruiz Jimeno,L. Scodellaro,I Vila,Rocio Vilar,T. Maki,P. Mehtala, R. Orava,K. Osterberg,H. Saarikko,N. Van Remortel,J. Adelman,E. Brubaker, W. T. Fedorko,C. Grosso-Pilcher,Y. K. Kim,S. Kwang,S. Levy, A. A. Paramonov,M. A. Schmidt, M. Shochet,C. Wolfe,U. K. Yang,K. Yorita,S. Amerio, D. Amidei, A. Anastassov, A. Annovi, J. Antos, G. Apollinari,J. A. Appel,T. Arisawa,A. Artikov,J. Asaadi,W. Ashmanskas,B. Auerbach,A. Aurisano, F. Azfar,W. Badgett, T. Bae, A. Barbaro-Galtieri,V. E. Barnes,Bruce Barnett,P. Barria, P. Bartos,M. Bauce,F. Bedeschi, S. Behari, G. Bellettini, J. Bellinger,D. Benjamin, A. Beretvas,A. Bhatti, K. R. Bland, B. Blumenfeld, A. Bocci,A. Bodek,D. Bortoletto,J. Boudreau, A. Boveia,L. Brigliadori,C. Bromberg,E. Brucken, J. Budagov, H. S. Budd, K. Burkett,G. Busetto, P. Bussey,P. Butti,A. Buzatu,A. Calamba,S. Camarda,M. Campanelli,F. Canelli, B. Carls, D. Carlsmith, R. Carosi,S. Carrillo,M. Casarsa,A. Castro, P. Catastini, D. Cauz, Cavaliere,A. Cerri, L. Cerrito,Y. C. Chen, M. Chertok, G. Chiarelli, G. Chlachidze,K. Cho,D. Chokheli,A. Clark,C. Clarke, M. E. Convery,J. Conway,M. Corbo, M. Cordelli, C. A. Cox,D. J. Cox,Matteo Cremonesi,D. Cruz, R. Culbertson,N. D'Ascenzo,M. Datta,P. de Barbaro, L. Demortier, M. Deninno, M. D'Errico,F. Devoto,A. Di Canto,B. Di Ruzza, J. R. Dittmann, S. Donati,M. D'Onofrio,M. Dorigo, A. Driutti, K. Ebina, Ryan Christopher Edgar, R. Erbacher, S. Errede, B. Esham,S. Farrington,J. P. Fernández Ramos, R. D. Field,G. Flanagan,R. Forrest,M. Franklin,J. Freeman, H. Frisch,Y. Funakoshi, C. Galloni, A. F. Garfinkel, P. Garosi, H. Gerberich, E. Gerchtein,S. Giagu, Giakoumopoulou,K. Gibson, C. M. Ginsburg, N. Giokaris,P. Giromini, Glagolev, D. Glenzinski,M. Gold, D. Goldin, A. Golossanov, G. Gomez-Ceballos, M. Goncharov,O. Gonzalez Lopez,I. Gorelov,A. T. Goshaw, K. Goulianos, E. Gramellini,J. Guimaraes da Costa,S. R. Hahn,J. Han,F. Happacher, K. Hara,M. Hare, R. Harr,T. Harrington-Taber, M. Hartz, K. Hatakeyama,C. Hays,J. Heinrich,M. Herndon, A. Hocker, Z. Hong,W. Hopkins,S. Hou, R. Hughes, U. Husemann,M. Hussein,J. Huston, G. Introzzi,M. Iori,A. Ivanov, E. James, D. Jang,B. Jayatilaka,E. J. Jeon, S. Jindariani,M. Jones, K. K. Joo, S. Y. Jun,T. R. Junk,M. Kambeitz, T. Kamon,P. E. Karchin, A. Kasmi, Y. Kato,W. Ketchum,J. Keung,B. Kilminster, D. H. Kim, H. S. Kim,J. E. Kim,M. J. Kim, S. H. Kim, S. B. Kim,Y. K. Kim, N. Kimura, M. Kirby, K. Knoepfel,K. Kondo, D. J. Kong, J. Konigsberg, A. V. Kotwal, M. Kreps, J. Kroll,M. Kruse, T. Kuhr, M. Kurata,A. T. Laasanen,S. Lammel,M. Lancaster,K. Lannon,G. Latino,H. S. Lee,J. Lee,S. Leo,S. Leone,J. D. Lewis, A. Limosani,E. Lipeles,A. Lister, Q. Liu,T. Liu, S. Lockwitz,A. Loginov,D. Lucchesi,A. Lucà, J. Lueck, P. Lujan, P. Lukens,G. Lungu, J. Lys,R. Lysak, R. Madrak,P. Maestro,S. Malik,G. Manca, A. Manousakis-Katsikakis, Luigi Marchese,F. Margaroli,P. Marino,K. Matera, M. E. Mattson,A. Mazzacane, P. Mazzanti,R. McNulty, P. Mehtala, C. Mesropian, T. Miao, D. Mietlicki,A. Mitra,H. Miyake, S. Moed, N. Moggi,C. S. Moon, R. Moore,M. J. Morello,A. Mukherjee, T. Müller,P. Murat, M. Mussini, J. Nachtman,Y. Nagai, J. Naganoma, I. Nakano, A. Napier, J. Nett,T. Nigmanov, L. Nodulman,S. Y. Noh, O. Norniella, L. Oakes, S. H. Oh,Y. D. Oh, T. Okusawa, L. Ortolan,C. Pagliarone, E. Palencia,P. Palni, Papadimitriou,W. Parker, G. Pauletta,M. Paulini,Christoph Paus, T. J. Phillips,G. Piacentino,E. Pianori, Pilot J.,K. Pitts,C. Plager, L. Pondrom,S. Poprocki,K. Potamianos, A. Pranko,F. Prokoshin, F. Ptohos, G. Punzi,I. Redondo Fernández, P. Renton, M. Rescigno, F. Rimondi,L. Ristori,A. Robson,T. Rodriguez, S. Rolli,M. Ronzani,R. Roser, J. L. Rosner,F. Ruffini,J. Russ, Rusu,W. K. Sakumoto,Y. Sakurai, L. Santi,K. Sato, Saveliev, A. Savoy-Navarro, P. Schlabach, E. E. Schmidt, T. Schwarz, F. Scuri, S. Seidel, Y. Seiya,A. Semenov,F. Sforza, S. Z. Shalhout, T. Shears, P. F. Shepard, M. Shimojima, I. Shreyber-Tecker,A. Simonenko,K. Sliwa,J. Smith, F. D. Snider,H. Y. Song, Sorin,R. St. Denis, M. Stancari, D. Stentz,J. Strologas,Y. Sudo, A. Sukhanov, I. Suslov, K. Takemasa, Y. Takeuchi,J. Tang, M. Tecchio,P. K. Teng,J. Thom,E. Thomson, Thukral,D. Toback,S. Tokar,K. Tollefson,T. Tomura,D. Tonelli,S. Torre, D. Torretta, P. Totaro,M. Trovato,F. Ukegawa, S. Uozumi,F. Vázquez, G. Velev, C. Vellidis, C. Vernieri,M. Vidal,J. Vizán,M. Vogel, G. Volpi,P. Wagner,R. Wallny, S. M. Wang, D. Waters,W. C. Wester, D. Whiteson, A. B. Wicklund,S. Wilbur,H. H. Williams,J. S. Wilson, P. Wilson, B. L. Winer,P. Wittich,S. Wolbers,H. Wolfe, T. Wright, X. Wu, Z. Wu,K. Yamamoto,D. Yamato,T. Yang,Y. C. Yang,W. M. Yao, G. P. Yeh,K. Yi, J. Yoh,T. Yoshida, G. B. Yu,I. Yu, A. Zanetti, Y. Zeng,C. Zhou,S. Zucchelli

PHYSICAL REVIEW D（2016）

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摘要

We describe a measurement of the ratio of the cross sections times branching fractions of the B-c(+) meson in the decay mode B-c(+) -> J/psi mu(+)nu to the B+ meson in the decay mode B+ -> J/psi K+ in proton-antiproton collisions at center-of-mass energy root s = 1.96 TeV. The measurement is based on the complete CDF Run II data set, which comes from an integrated luminosity of 8.7 fb(-1). The ratio of the production cross sections times branching fractions for B-c(+) and B+ mesons with momentum transverse to the beam greater than 6 GeV/c and rapidity magnitude smaller than 0.6 is 0.211 +/- 0.012(stat)(-0.020)(+0.021)(syst). Using the known B+ -> J/psi K+ branching fraction, the known B+ production cross section, and a selection of the predicted B-c(+) -> J/psi mu(+nu) branching fractions, the range for the total B-c(+) production cross section is estimated.

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physics,multidisciplinary

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