Measurement of the production cross section for a W boson and two b jets in pp collisions at root s=7 TeV
CMS Collaboration
刊名PHYSICS LETTERS B
2014
卷号735页码:204-225
关键词PARTON DISTRIBUTIONS LHC
学科分类Physics
DOI10.1016/j.physletb.2014.06.041
通讯作者Chatrchyan, S (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
英文摘要The production cross section for a Wboson and two b jets is measured using proton-proton collisions at v root s = 7 TeV in a data sample collected with the CMS experiment at the LHC corresponding to an integrated luminosity of 5.0 fb(-1). The W + bbevents are selected in the W..decay mode by requiring a muon with transverse momentum pT> 25GeVand pseudorapidity |eta| < 2.1, and exactly two b-tagged jets with pT> 25GeVand |eta| < 2.4. The measured W + bbproduction cross section in the fiducial region, calculated at the level of final-state particles, is s(pp. W + bb) xB(W..) = 0.53 +/- 0.05 (stat.) +/- 0.09 (syst.) +/- 0.06 (theo.) 0.01 (lum.) pb, in agreement with the standard model prediction. In addition, kinematic distributions of the W + bbsystem are in agreement with the predictions of a simulation usingMadGraphandpythia. (C) 2014 The Authors. Published by Elsevier B. V.
类目[WOS]Physics, Multidisciplinary
收录类别SCI
语种英语
WOS记录号WOS:000340048900037
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被引频次:16[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/311005/213750
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. Measurement of the production cross section for a W boson and two b jets in pp collisions at root s=7 TeV[J]. PHYSICS LETTERS B,2014,735:204-225.
APA CMS Collaboration.(2014).Measurement of the production cross section for a W boson and two b jets in pp collisions at root s=7 TeV.PHYSICS LETTERS B,735,204-225.
MLA CMS Collaboration."Measurement of the production cross section for a W boson and two b jets in pp collisions at root s=7 TeV".PHYSICS LETTERS B 735(2014):204-225.
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