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Measurements of the t(t)Overbar charge asymmetry using the dilepton decay channel in pp collisions at root s=7 TeV
CMS Collaboration
2014
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
期号4
通讯作者Chatrchyan, S (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
摘要The t(t)Overbar charge asymmetry in proton-proton collisions root s = 7TeV is measured using the dilepton decay channel (ee, e mu, or mu mu). The data correspond to a total integrated luminosity of 5.0 fb(-1), collected by the CMS experiment at the LHC. The t(t) Overbar and lepton charge asymmetries, defined as the differences in absolute values of the rapidities between the reconstructed top quarks and antiquarks and of the pseudorapidities between the positive and negative leptons, respectively, are measured to be A(C) = -0.010 +/- 0.017 (stat.) +/- 0.008 (syst.) and A(C)(lep) = 0.009 +/- 0.010 (stat.) +/- 0.006 (syst.). The lepton charge asymmetry is also measured as a function of the invariant mass, rapidity, and transverse momentum of the system. All measurements are consistent with the expectations of the standard model.
学科领域Physics
DOI10.1007/JHEP04(2014)191
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000335810800001
引用统计
被引频次:7[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/311005/213704
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
推荐引用方式
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CMS Collaboration. Measurements of the t(t)Overbar charge asymmetry using the dilepton decay channel in pp collisions at root s=7 TeV[J]. JOURNAL OF HIGH ENERGY PHYSICS,2014(4).
APA CMS Collaboration.(2014).Measurements of the t(t)Overbar charge asymmetry using the dilepton decay channel in pp collisions at root s=7 TeV.JOURNAL OF HIGH ENERGY PHYSICS(4).
MLA CMS Collaboration."Measurements of the t(t)Overbar charge asymmetry using the dilepton decay channel in pp collisions at root s=7 TeV".JOURNAL OF HIGH ENERGY PHYSICS .4(2014).
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