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Measurement of the top quark pair production cross-section with ATLAS in the single lepton channel
ATLAS collaboration
2012
发表期刊PHYSICS LETTERS B
卷号711期号:3--4页码:244-263
通讯作者Xie, Y (reprint author), Univ Freiburg, Fak Math & Phys, Hugstetter Str 55, D-79106 Freiburg, Germany.
摘要A measurement of the production cross-section for top quark pairs (t (t) over bar) in pp collisions at root s = 7 TeV is presented using data recorded with the ATLAS detector at the Large Hadron Collider. Events are selected in the single lepton topology by requiring an electron or muon, large missing transverse momentum and at least three jets. With a data sample of 35 pb(-1), two different multivariate methods, one of which uses b-quark jet identification while the other does not, use kinematic variables to obtain cross-section measurements of sigma(t (t) over bar) = 187 +/- 11(stat.)(-17)(+18)(syst.) +/- 6(lumi.) pb and sigma(t (t) over bar) = 173 +/- 17(stat.)(-16)(+18)(syst.) +/- 6(lumi.) pb respectively. The two measurements are in agreement with each other and with QCD calculations. The first measurement has a better a priori sensitivity and constitutes the main result of this Letter. (c) 2012 CERN. Published by Elsevier B.V. All rights reserved.
关键词PP COLLISIONS TEV
学科领域Physics
DOI10.1016/j.physletb.2012.03.083
收录类别SCI
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000304236400004
引用统计
被引频次:70[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/311005/213241
专题实验物理中心
作者单位中国科学院高能物理研究所
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ATLAS collaboration. Measurement of the top quark pair production cross-section with ATLAS in the single lepton channel[J]. PHYSICS LETTERS B,2012,711(3--4):244-263.
APA ATLAS collaboration.(2012).Measurement of the top quark pair production cross-section with ATLAS in the single lepton channel.PHYSICS LETTERS B,711(3--4),244-263.
MLA ATLAS collaboration."Measurement of the top quark pair production cross-section with ATLAS in the single lepton channel".PHYSICS LETTERS B 711.3--4(2012):244-263.
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