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Measurement of the t(t)over-bar production cross section in the tau plus jets channel in pp collisions at root s=7 TeV
CMS Collaboration
2013
发表期刊EUROPEAN PHYSICAL JOURNAL C
卷号73期号:4
通讯作者Chatrchyan, S (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
摘要The top-quark pair production cross section in 7 TeV center-of-mass energy proton-proton collisions is measured using data collected by the CMS detector at the LHC. The measurement uses events with one jet identified as a hadronically decaying tau lepton and at least four additional energetic jets, at least one of which is identified as coming from a b quark. The analyzed data sample corresponds to an integrated luminosity of 3.9 fb(-1) recorded by a dedicated multijet plus hadronically decaying tau trigger. A neural network has been developed to separate the top-quark pairs from the W + jets and multijet backgrounds. The measured value of sigma(t (t) over bar) = 152 +/- 12 (stat.) +/- 32 (syst.) +/- 3 (lum.) pb is consistent with the standard model predictions.
关键词PHYSICS
学科领域Physics
DOI10.1140/epjc/s10052-013-2386-x
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000318292200022
引用统计
被引频次:13[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/311005/213527
专题粒子天体物理中心
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 t(t)over-bar production cross section in the tau plus jets channel in pp collisions at root s=7 TeV[J]. EUROPEAN PHYSICAL JOURNAL C,2013,73(4).
APA CMS Collaboration.(2013).Measurement of the t(t)over-bar production cross section in the tau plus jets channel in pp collisions at root s=7 TeV.EUROPEAN PHYSICAL JOURNAL C,73(4).
MLA CMS Collaboration."Measurement of the t(t)over-bar production cross section in the tau plus jets channel in pp collisions at root s=7 TeV".EUROPEAN PHYSICAL JOURNAL C 73.4(2013).
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