Measurement of the differential γ+c-jet cross section and the ratio of differential γ+c and γ+b cross sections in pp¯ collisions at s=1.96 TeV

• DOI: 10.1016/j.physletb.2013.01.033
• Publication Date: 2013-01-21T20:17:20Z
• Authors: V.M. Abazov; B. Abbott; B.S. Acharya; M. Adams; T. Adams; G.D. Alexeev; G. Alkhazov; A. Alton; A. Askew; S. Atkins; K. Augsten; C. Avila; F. Badaud; L. Bagby; B. Baldin; D.V. Bandurin; S. Banerjee; E. Barberis; P. Baringer; 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. Besançon; R. Beuselinck; P.C. Bhat; S. Bhatia; V. Bhatnagar; G. Blazey; S. Blessing; K. Bloom; A. Boehnlein; D. Boline; E.E. Boos; G. Borissov; A. Brandt; O. Brandt; R. Brock; A. Bross; D. Brown; J. Brown; X.B. Bu; M. Buehler; V. Buescher; V. Bunichev; S. Burdin; C.P. Buszello; E. Camacho-Pérez; B.C.K. Casey; H. Castilla-Valdez; S. Caughron; S. Chakrabarti; D. Chakraborty; K.M. Chan; A. Chandra; E. Chapon; G. Chen; S. Chevalier-Théry; 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. Déliot; 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. García-González; G.A. García-Guerra; V. Gavrilov; P. 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. Grünendahl; M.W. Grünewald; T. Guillemin; G. Gutierrez; P. Gutierrez; 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 ...; K. Herner; G. Hesketh; M.D. Hildreth; R. Hirosky; T. Hoang; J.D. Hobbs; B. Hoeneisen; J. Hogan; M. Hohlfeld; I. Howley; Z. Hubacek; V. Hynek; I. Iashvili; Y. Ilchenko; R. Illingworth; A.S. Ito; S. Jabeen; M. Jaffré; A. Jayasinghe; M.S. Jeong; R. Jesik; P. Jiang; K. Johns; E. Johnson; M. Johnson; A. Jonckheere; P. Jonsson; J. Joshi; A.W. Jung; A. Juste; 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; A. Kumar; A. Kupco; T. Kurča; V.A. Kuzmin; S. Lammers; G. Landsberg; P. Lebrun; H.S. Lee; S.W. Lee; W.M. Lee; X. Lei; J. Lellouch; D. Li; 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. Magaña-Villalba; S. Malik; V.L. Malyshev; Y. Maravin; J. Martínez-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; H.T. Nguyen; T. Nunnemann; 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. Pétroff; 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. Sánchez-Hernández; M.P. Sanders; A.S. Santos; G. Savage; L. Sawyer; T. Scanlon; R.D. Schamberger; Y. Scheglov; H. Schellman; 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. Smirnov; K.J. Smith; G.R. Snow; J. Snow; S. Snyder; S. Söldner-Rembold; L. Sonnenschein; K. Soustruznik; J. Stark; D.A. Stoyanova; M. Strauss; L. Suter; P. Svoisky; 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; S. Yang; T. Yasuda; Y.A. Yatsunenko; W. Ye; Z. Ye; H. Yin; K. Yip; S.W. Youn; J.M. Yu; J. Zennamo; T. Zhao; T.G. Zhao; B. Zhou; J. Zhu; M. Zielinski; D. Zieminska; L. Zivkovic
• Keywords: 0103 physical sciences; 530; 01 natural sciences

AbstractWe present measurements of the differential cross section dσ/dpTγ for the associated production of a c-quark jet and an isolated photon with rapidity |yγ|<1.0 and transverse momentum 3015 GeV. The ratio of differential cross sections for γ+c to γ+b production as a function of pTγ is also presented. The results are based on data corresponding to an integrated luminosity of 8.7 fb−1 recorded with the D0 detector at the Fermilab Tevatron pp¯ Collider at s=1.96 TeV. The obtained results are compared to next-to-leading order perturbative QCD calculations using various parton distribution functions, to predictions based on the kT-factorization approach, and to predictions from the sherpa and pythia Monte Carlo event generators.