Measurement Of The Photon Plus B-Jet Production Differential Cross Section In P(P)Over-Bar) Collisions At Root S=1.96 Tev

V. M. Abazov,B. Abbott,B. S. Acharya,M. Adams,T. Adams,G. D. Alexeev, G. Alkhazov,A. Alton,G. Alverson,M. Aoki,A. Askew,S. Atkins,K. Augsten,C. Avila, F. Badaud,L. Bagby, B. Baldin, D. V. Bandurin, S. Banerjee,E. Barberis,P. Baringer, J. Barreto, J. F. Bartlett,N. Bartosik,U. Bassler, V. Bazterra,A. Bean,M. Begalli, L. Bellantoni,S. B. Beri,G. Bernardi, R. Bernhard,I. Bertram, M. Besancon,R. Beuselinck,V. A. Bezzubov,P. C. Bhat, S. Bhatia,V. Bhatnagar, G. Blazeay,S. Blessing,K. Bloom, A. Boehnlein, D. Boline, E. E. Boos,G. Borissov, T. Bose,A. Brandt,O. Brandt,R. Brock,G. Brooijmans, A. Bross,D. Brown,J. Brown,X. B. Bu,M. Buehler,V. Buescher,V. Bunichev,S. Burdin, C. P. Buszello,E. Camacho-Perez,B. C. K. Casey, H. Castilla-Valdez, S. Caughron, S. Chakrabarti,D. Chakraborty,K. M. Chan,A. Chandra,E. Chapon,G. Chen,S. Chevalier-Thery,D. K. Cho, S. W. Cho,S. Choi,B. Choudhary, S. Cihangir,D. Claes, J. Clutter,M. Cooke,W. E. Cooper, M. Corcoran, F. Couderc, M. -C. Cousinou, A. Croc, D. Cutts,A. Das,G. Davies,S. J. De Jong,E. De La Cruz-Burelo,F. Deliot,R. Demina,D. Denisov,S. P. Denisov, S. Desai,C. Deterre, K. Devaughan,H. T. Diehl, M. Diesburg,P. F. Ding,A. Dominguez, A. Dubey,L. V. Dudko, D. Duggan,A. Duperrin,S. Dutt, A. Dyshkant, M. Eads, D. Edmunds,J. Ellison,V. D. Elvira, Y. Enari,H. Evans, A. Evdokimov,V. N. Evdokimov, G. Facini,L. Feng, T. Ferbel, F. Fiedler,F. Filthaut,W. Fisher,H. E. Fisk, M. Fortner,H. Fox, S. Fuess, A. Garcia-Bellido,J. A. Garcia-Gonzalez, G. A. Garcia-Guerra, V. Gavrilov, R. Gay,W. Geng,D. Gerbaudo,C. E. Gerber,Y. Gershtein, G. Ginther, G. Golovanov,A. Goussiou,P. D. Grannis, S. Greder, H. Greenlee, G. Grenier,Ph. Gris,J. -F. Grivaz,A. Grohsjean, S. Gruenendahl, M. W. Gruenewald,T. Guillemin,G. Gutierrez,P. Gutierrez,A. Haas, S. Hagopian, J. Haley, L. 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,I. Heredia-De La Cruz, K. Herner, G. Hesketh,M. D. Hildreth,R. Hirosky,T. Hoang,J. D. Hobbs,B. Hoeneisen, M. Hohlfeld, I. Howley, Z. Hubacek, V. Hynek, I. Iashvili, Y. Ilchenko,R. Illingworth,A. S. Ito,S. Jabeen, M. Jaffre,A. Jayasinghe, R. Jesik, K. Johns,E. Johnson,M. Johnson, A. Jonckheere, R. Jonsson,J. Joshi, A. W. Jung,A. Juste, K. Kaadze,E. Kajfasz,D. Karmanov, P. A. Kasper, I. Katsanos, R. Kehoe, S. Kermiche,N. Khalatyan, A. Khanov,A. Kharchilava,Y. N. Kharzheev, I. Kiselevich,J. M. Kohli,A. V. Kozelov, J. Kraus, S. Kulikov,A. Kumar, A. Kupco,T. Kurca,V. A. Kuzmin, S. Lammers,G. Landsberg, P. Lebrun,H. S. Lee,S. W. Lee,W. M. Lee, J. Lellouch,H. Li,L. Li,Q. Z. Li, J. K. Lim,D. Lincoln,J. Linnemann, V. V. Lipaev, R. Lipton,H. Liu, Y. Liu, A. Lobodenko,M. Lokajicek,R. Lopes De Sa, H. J. Lubatti,R. Luna-Garcia,A. L. Lyon, A. K. A. Maciel,R. Madar, R. Magana-Villalba,S. Malik,V. L. Malyshev, Y. Maravin,J. Martinez-Ortega, R. Mccarthy, C. L. Mcgivern, M. M. Meijer, A. Melnitchouk,D. Menezes,P. G. Mercadante,M. Merkin,A. Meyer,J. Meyer, F. Miconi,N. K. Mondal, M. Mulhearn,E. Nagy,M. Naimuddin,M. Narain,R. Nayyar,H. A. Neal,J. P. Negret, P. Neustroev, T. Nunnemann, G. Obrant,J. Orduna,N. Osman, J. Osta,M. Padilla,A. Pal, N. Parashar,V. Parihar,S. K. Park, R. Partridge, N. Parua, A. Patwa, B. Penning, M. Perfilov,Y. Peters, K. Petridis,G. Petrillo,P. Petroff,M. -A. Pleier,P. L. M. Podesta-Lerma,V. M. Podstavkov,A. V. Popov, M. Prewitt,D. Price,N. Prokopenko,J. Qian, A. Quadt,B. Quinn, M. S. Rangel,K. Ranjan,P. N. Ratoff,I. Razumov, P. Renkel, I. Ripp-Baudot, F. Rizatdinova, M. Rominsky,A. Ross,C. Royon, P. Rubinov, R. Ruchti, G. Sajot, P. Salcido,A. Sanchez-Hernandez, M. P. Sanders,B. Sanghi,A. S. Santos,G. Savage, L. Sawyer,T. Scanlon,R. D. Schamberger, Y. Scheglov,H. Schellman,S. Schlobohm, C. Schwanenberger,R. Schwienhorst, J. Sekaric, H. Severini,E. Shabalina, V. Shary, S. Shaw, A. A. Shchukin,R. K. Shivpuri, V. Simak, P. Skubic, P. Slattery, D. Smirnovaz,K. J. Smith,G. R. Snow, J. Snow,S. Snyder, S. Soeldner-Rembold, L. Sonnenschein,K. Soustruznik, J. Stark,D. A. Stoyanova, M. Strauss, L. Stutte,L. Suter,P. Svoisky, M. Takahashi,M. Titov, V. V. Tokmenin,Y. -T. Tsai, K. Tschann-Grimm, D. Tsybychev, B. Tuchming,C. Tully, L. Uvarov, S. Uvarov, S. Uzunyan,R. Van Kooten,W. M. Van Leeuwen, N. Varelas,E. W. Varnes,I. A. Vasilyev,P. Verdier, A. Y. Verkheev,L. S. Vertogradov,M. Verzocchi,M. Vesterinen, D. Vilanova, P. Vokac,H. D. Wahl,M. H. L. S. Wang,J. Warchol, G. Watts, M. Wayne,J. Weichert, L. Welty-Rieger,A. White, D. Wicke,M. R. J. Williams,G. W. Wilson, M. Wobisch,D. R. Wood,T. R. Wyatt,Y. Xie, R. Yamada,W. -C. Yang,T. Yasuda,Y. A. Yatsunenko,W. Ye,Z. Ye,H. Yin,K. Yip, S. W. Youn, J. Zennamo, T. Zhao, T. G. Zhao,B. Zhou,J. Zhu, M. Zielinski, D. Zieminska, L. Zivkovic

PHYSICS LETTERS B(2012)

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摘要
We present measurements of the differential cross section d sigma/dp(T)(gamma) for the inclusive production of a photon in association with a b-quark jet for photons with rapidities vertical bar y(gamma)vertical bar < 1.0 and 30 < p(T)(gamma) < 300 GeV, as well as for photons with 1.5 < vertical bar y(gamma)vertical bar < 2.5 and 30 < p(T)(gamma) < 200 GeV, where p(T)(gamma) is the photon transverse momentum. The b-quark jets are required to have p(T) > 15 GeV and rapidity vertical bar Y-jet vertical bar < 1.5. The results are based on data corresponding to an integrated luminosity of 8.7 fb(-1), recorded with the DO detector at the Fermilab Tevatron p<(p)over bar>) Collider at root s = 1.96 TeV. The measured cross sections are compared with next-to-leading order perturbative QCD calculations using different sets of parton distribution functions as well as to predictions based on the k(T)-factorization QCD approach, and those from the SHERPA and PYTHIA Monte Carlo event generators. (C) 2012 Elsevier B.V. All rights reserved.
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