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Measurement of the t(t)over-bar production cross section in the dilepton channel in pp collisions at root s=7 TeV
CMS Collaboration
2012
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
期号11
通讯作者Chatrchyan, S (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
摘要The t (t) over bar production cross section (sigma(t (t) over bar)) is measured in proton-proton collisions at root s = 7 TeV in data collected by the CMS experiment, corresponding to an integrated luminosity of 2.3 fb(-1). The measurement is performed in events with two leptons (electrons or muons) in the final state, at least two jets identified as jets originating from b quarks, and the presence of an imbalance in transverse momentum. The measured value of sigma(t (t) over bar) for a top-quark mass of 172.5 GeV is 161.9 +/- 2.5 (stat.)(-5.0)(+5.1) (syst.) +/- 3.6 (lumi.) pb, consistent with the prediction of the standard model.
关键词PROTON-PROTON COLLISIONS QUARK PAIR PRODUCTION TOP-QUARK ATLAS DETECTOR GAUGE COUPLINGS LIMITS BOSON LHC
学科领域Physics
DOI10.1007/JHEP11(2012)067
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000312198500002
引用统计
被引频次:14[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/311005/213399
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 dilepton channel in pp collisions at root s=7 TeV[J]. JOURNAL OF HIGH ENERGY PHYSICS,2012(11).
APA CMS Collaboration.(2012).Measurement of the t(t)over-bar production cross section in the dilepton channel in pp collisions at root s=7 TeV.JOURNAL OF HIGH ENERGY PHYSICS(11).
MLA CMS Collaboration."Measurement of the t(t)over-bar production cross section in the dilepton channel in pp collisions at root s=7 TeV".JOURNAL OF HIGH ENERGY PHYSICS .11(2012).
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