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First measurement of the cross section for top-quark pair production in proton-proton collisions at root s=7 TeV
CMS Collaboration
2011
发表期刊PHYSICS LETTERS B
卷号695期号:5页码:424-443
通讯作者Tenchini, R (reprint author), Ist Nazl Fis Nucl, Sez Pisa, Pisa, Italy.
摘要The first measurement of the cross section for top-quark pair production in pp collisions at the Large Hadron Collider at center-of-mass energy root s = 7 TeV has been performed using a data sample corresponding to an integrated luminosity of 3.1 +/- 0.3 pb(-1) recorded by the CMS detector. This result utilizes the final state with two isolated, highly energetic charged leptons, large missing transverse energy, and two or more jets. Backgrounds from Drell-Yan and non-W/Z boson production are estimated from data. Eleven events are observed in the data with 2.1 +/- 1.0 events expected from background. The measured cross section is 194 +/- 72(stat.) +/- 24(syst.) +/- 21(lumi.) pb, consistent with next-to-leading order predictions. (C) 2010 CERN. Published by Elsevier B.V. All rights reserved.
学科领域Physics
DOI10.1016/j.physletb.2010.11.058
收录类别SCI
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000286859500005
引用统计
被引频次:75[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/311005/213010
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. First measurement of the cross section for top-quark pair production in proton-proton collisions at root s=7 TeV[J]. PHYSICS LETTERS B,2011,695(5):424-443.
APA CMS Collaboration.(2011).First measurement of the cross section for top-quark pair production in proton-proton collisions at root s=7 TeV.PHYSICS LETTERS B,695(5),424-443.
MLA CMS Collaboration."First measurement of the cross section for top-quark pair production in proton-proton collisions at root s=7 TeV".PHYSICS LETTERS B 695.5(2011):424-443.
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