Measurement of the top quark pair production cross section in pp collisions at root s=7 TeV in dilepton final states with ATLAS
ATLAS collaboration
刊名PHYSICS LETTERS B
2012
卷号707期号:5页码:459-477
学科分类Physics
DOI10.1016/j.physletb.2011.12.055
通讯作者Aad, G (reprint author), Univ Freiburg, Fak Math & Phys, Hugstetter Str 55, D-79106 Freiburg, Germany.
英文摘要A measurement of the production cross section of top quark pairs (t (t) over bar) in proton-proton collisions at a center-of-mass energy of 7 TeV recorded with the ATLAS detector at the Large Hadron Collider is reported. Candidate events are selected in the dilepton topology with large missing transverse energy and at least two jets. Using a data sample corresponding to an integrated luminosity of 35 pb(-1), a t (t) over bar production cross section sigma(t (t) over bar) = 177 +/- 20(stat.) +/- 14(syst.) +/- 7(lum.) pb is measured for an assumed top quark mass of m(t) = 172.5 GeV. A second measurement requiring at least one jet identified as coming from a b quark yields a comparable result, demonstrating that the dilepton final states are consistent with being accompanied by b-quark jets. These measurements are in good agreement with Standard Model predictions. (C) 2011 CERN. Published by Elsevier B.V. All rights reserved.
类目[WOS]Physics, Multidisciplinary
收录类别SCI
语种英语
WOS记录号WOS:000300211000004
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被引频次:43[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/311005/213180
专题中国科学院高能物理研究所_实验物理中心_期刊论文
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 in pp collisions at root s=7 TeV in dilepton final states with ATLAS[J]. PHYSICS LETTERS B,2012,707(5):459-477.
APA ATLAS collaboration.(2012).Measurement of the top quark pair production cross section in pp collisions at root s=7 TeV in dilepton final states with ATLAS.PHYSICS LETTERS B,707(5),459-477.
MLA ATLAS collaboration."Measurement of the top quark pair production cross section in pp collisions at root s=7 TeV in dilepton final states with ATLAS".PHYSICS LETTERS B 707.5(2012):459-477.
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