Studies of inclusive four-jet production with two b-tagged jets in proton-proton collisions at 7 TeV
CMS Collaboration
刊名PHYSICAL REVIEW D
2016
卷号94期号:11页码:112005
DOI10.1103/PhysRevD.94.112005
文章类型Article
英文摘要Measurements are presented of the cross section for the production of at least four jets, of which at least two originate from b quarks, in proton-proton collisions. Data collected with the CMS detector at the LHC at a center-of-mass energy of 7 TeV are used, corresponding to an integrated luminosity of 3 pb(-1). The cross section is measured as a function of the jet transverse momentum for p(T) > 20 GeV, and of the jet pseudorapidity for |eta| < 2.4 (b jets), 4.7 (untagged jets). The correlations in azimuthal angle and pT between the jets are also studied. The inclusive cross section is measured to be sigma(pp -> 2b + 2j + X) = 69 +/- 3(stat) +/- 24(syst) nb. The eta and p(T) distributions of the four jets and the correlations between them are well reproduced by event generators that combine perturbative QCD calculations at next-to-leading-order accuracy with contributions from parton showers and multiparton interactions.
语种英语
WOS记录号WOS:000389505300002
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260755
专题中国科学院高能物理研究所_粒子天体物理中心_期刊论文
作者单位中国科学院高能物理研究所
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CMS Collaboration. Studies of inclusive four-jet production with two b-tagged jets in proton-proton collisions at 7 TeV[J]. PHYSICAL REVIEW D,2016,94(11):112005.
APA CMS Collaboration.(2016).Studies of inclusive four-jet production with two b-tagged jets in proton-proton collisions at 7 TeV.PHYSICAL REVIEW D,94(11),112005.
MLA CMS Collaboration."Studies of inclusive four-jet production with two b-tagged jets in proton-proton collisions at 7 TeV".PHYSICAL REVIEW D 94.11(2016):112005.
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