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Measurement of the top quark mass in the t(t)over-bar -> dilepton channel from root s=8TeVATLAS data
ATLAS Collaboration
2016
发表期刊PHYSICS LETTERS B
卷号761页码:350-371
文章类型Article
摘要The top quark mass is measured in the t (t) over bar -> dilepton channel (lepton= e, mu) using ATLAS data recorded in the year 2012 at the LHC. The data were taken at a proton-proton centre-of-mass energy of root s = 8 TeV and correspond to an integrated luminosity of about 20.2 fb(-1). Exploiting the template method, and using the distribution of invariant masses of lepton-b-jetpairs, the top quark mass is measured to be m(top) = 172.99 +/- 0.41(stat)+/- 0.74(syst) GeV, with a total uncertainty of 0.84 GeV. Finally, acombination with previous ATLAS m(top) measurements from root s = 7 TeV data in the t (t) over bar -> dilepton and t (t) over bar -> lepton + jets channels results in m(top) = 172.84 +/- 0.34(stat)+/- 0.61(syst) GeV, with a total uncertainty of 0.70 GeV. (C) 2016 The Author. Published by Elsevier B.V.
DOI10.1016/j.physletb.2016.08.042
关键词[WOS]PARTON DISTRIBUTIONS ; HADRON COLLIDERS ; STANDARD MODEL ; PLUS PLUS ; LHC ; FRAGMENTATION ; PHYSICS
语种英语
WOS记录号WOS:000384469900052
引用统计
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260921
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 mass in the t(t)over-bar -> dilepton channel from root s=8TeVATLAS data[J]. PHYSICS LETTERS B,2016,761:350-371.
APA ATLAS Collaboration.(2016).Measurement of the top quark mass in the t(t)over-bar -> dilepton channel from root s=8TeVATLAS data.PHYSICS LETTERS B,761,350-371.
MLA ATLAS Collaboration."Measurement of the top quark mass in the t(t)over-bar -> dilepton channel from root s=8TeVATLAS data".PHYSICS LETTERS B 761(2016):350-371.
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