About: 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

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About: 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 Goto Sponge Distinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	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. (C) 2014 Published by 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. (C) 2014 Published by (en)
Title	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 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 (en)
skos:prefLabel	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 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 (en)
skos:notation	RIV/68407700:21340/14:00223133!RIV15-MSM-21340___
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(LG12006)
http://linked.open...iv/cisloPeriodika	0
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Hubáček, Zdeněk Šimák, Vladislav Vokáč, Petr Augsten, Kamil
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta jaderná a fyzikálně inženýrská
http://linked.open...dnocenehoVysledku	27865
http://linked.open...ai/riv/idVysledku	RIV/68407700:21340/14:00223133
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	PARTON DISTRIBUTIONS; IDENTIFICATION; PHOTONS (en)
http://linked.open.../riv/klicoveSlovo	PARTON DISTRIBUTIONS IDENTIFICATION PHOTONS
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[D7A3BA13691D]
http://linked.open...i/riv/nazevZdroje	Physics Letters B
http://linked.open...in/vavai/riv/obor	BF
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	364 (xsd:int)
http://linked.open...vavai/riv/projekt	Collaboration on NOvA and D0 Experiments at Fermi National Laboratory, USA
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	737
http://linked.open...iv/tvurceVysledku	Abazov, V. M. Abbott, B. Acharya, B. S. Augsten, Kamil Vokáč, Petr Šimák, Vladislav Hubáček, Zdeněk Hynek, Vlastislav Adams, M. Adams, T.
http://linked.open...ain/vavai/riv/wos	000342757700063
issn	0370-2693
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.physletb.2014.09.007
http://localhost/t...ganizacniJednotka	21340

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