Measurement of the differential gamma+2b-jet cross section and the ration sigma(gamma+2b-jets)/sigma(gamma plus b-jet) in p(p)over-bar collisions at root s=1.96 TeV (Downloadable article, 2014) [WorldCat.org]
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Measurement of the differential gamma+2b-jet cross section and the ration sigma(gamma+2b-jets)/sigma(gamma plus b-jet) in p(p)over-bar collisions at root s=1.96 TeV Preview this item
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Measurement of the differential gamma+2b-jet cross section and the ration sigma(gamma+2b-jets)/sigma(gamma plus b-jet) in p(p)over-bar collisions at root s=1.96 TeV

Author: V M AbazovB AbbottB S AcharyaM AdamsT AdamsAll authors
Publisher: 2014.
Edition/Format:   Downloadable article   Computer File : English
Publication:Physics Letters B, 737, 357-365
Summary:
We present the first measurements of the differential cross section d sigma/dp(T)(gamma) for the production of an isolated photon in association with at least two b-quark jets. The measurements consider photons with rapidities vertical bar y(gamma)vertical bar <1.0 and transverse momenta 30 <p(T)(gamma) <200 GeV. The b-quark jets are required to have p(T)(jet)> 15 GeVand vertical bar y(jet)vertical bar  Read more...
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Material Type: Internet resource
Document Type: Internet Resource, Article, Computer File
All Authors / Contributors: V M Abazov; B Abbott; B S Acharya; M Adams; T Adams; J P Agnew; 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; U Bassler; V Bazterra; A Bean; M Begalli; L Bellantoni; S B Beri; G Bernardi; R Bernhard; I Bertram; M Besancon; R Beuselinck; P C Bhat; S Bhatia; V Bhatnagar; G Blazey; S Blessing; K Bloom; A Boehnlein; D Boline; E E Boos; G Borissov; M Borysova; A Brandt; O Brandt; R Brock; A Bross; D Brown; X B Bu; M Buehler; V Buescher; V Bunichev; S Burdin; Claus P Buszello; E Camacho-Perez; B C K Casey; H Castilla-Valdez; S Caughron; S Chakrabarti; K M Chan; A Chandra; E Chapon; G Chen; 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; 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; A Duperrin; S Dutt; M Eads; D Edmunds; J Ellison; V D Elvira; Y Enari; H Evans; V N Evdokimov; A Faure; L Feng; T Ferbel; F Fiedler; F Filthaut; W Fisher; H E Fisk; M Fortner; H Fox; S Fuess; P H Garbincius; A Garcia-Bellido; J A Garcia-Gonzalez; V Gavrilov; W Geng; C E Gerber; Y Gershtein; G Ginther; O Gogota; G Golovanov; 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; 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; J Hogan; M Hohlfeld; J L Holzbauer; I Howley; Z Hubacek; V Hynek; I Iashvili; Y Ilchenko; R Illingworth; A S Ito; S Jabeen; M Jaffre; 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; I Katsanos; M Kaur; 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 Kurca; V A Kuzmin; S Lammers; 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; R Luna-Garcia; A L Lyon; A K A Maciel; R Madar; R Magana-Villalba; S Malik; V L Malyshev; J Mansour; 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 Narain; R Nayyar; H A Neal; J P Negret; P Neustroev; H T Nguyen; T Nunnemann; J Orduna; N Osman; J Osta; 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; V M Podstavkov; A V Popov; M Prewitt; D Price; N Prokopenko; J Qian; A Quadt; B Quinn; P N Ratoff; I Razumov; I Ripp-Baudot; F Rizatdinova; M Rominsky; A Ross; C Royon; P Rubinov; R Ruchti; G Sajot; A Sanchez-Hernandez; M P Sanders; A S Santos; G Savage; M Savitskyi; 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; V Simak; P Skubic; P Slattery; D Smirnov; G R Snow; J Snow; S Snyder; S Soeldner-Rembold; L Sonnenschein; K Soustruznik; J Stark; D A Stoyanova; M Strauss; L Suter; P Svoisky; M Titov; V V Tokmenin; Y -T Tsai; 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; 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; 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 G Zhao; B Zhou; J Zhu; M Zielinski; D Zieminska; L Zivkovic; Uppsala universitet. Teknisk-naturvetenskapliga vetenskapsområdet.
ISSN:0370-2693
OCLC Number: 1026776792
Notes: Published.

Abstract:

We present the first measurements of the differential cross section d sigma/dp(T)(gamma) for the production of an isolated photon in association with at least two b-quark jets. The measurements consider photons with rapidities vertical bar y(gamma)vertical bar <1.0 and transverse momenta 30 <p(T)(gamma) <200 GeV. The b-quark jets are required to have p(T)(jet)> 15 GeVand vertical bar y(jet)vertical bar <1.5. The ratio of differential production cross sections for gamma + 2 b-jets to gamma + b-jet as a function of p(T)(gamma) is also presented. The results are based on the proton-antiproton collision data at root s = 1.96 TeV collected with the D0 detector at the Fermilab Tevatron Collider. The measured cross sections and their ratios are compared to the next- to- leading order perturbative QCD calculations as well as predictions based on the k(T)- factorization approach and those from the sherpa and pythia Monte Carlo event generators.

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