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Measurement of the t-Channel Single Top Quark Production Cross Section in pp Collisions at root s=7 TeV
CMS Collaboration
2011
发表期刊PHYSICAL REVIEW LETTERS
卷号107期号:9
通讯作者Chatrchyan, S (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
摘要Electroweak production of the top quark is measured for the first time in pp collisions at root s = 7 TeV, using a data set collected with the CMS detector at the LHC and corresponding to an integrated luminosity of 36 pb(-1). With an event selection optimized for t-channel production, two complementary analyses are performed. The first one exploits the special angular properties of the signal, together with background estimates from the data. The second approach uses a multivariate analysis technique to probe the compatibility with signal topology expected from electroweak top-quark production. The combined measurement of the cross section is 83.6 +/- 29.8 (stat + syst) +/- 3.3(lumi) pb, consistent with the standard model expectation.
关键词SPIN LHC
学科领域Physics
DOI10.1103/PhysRevLett.107.091802
收录类别SCI
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000294268700004
引用统计
被引频次:65[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/311005/213100
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-Channel Single Top Quark Production Cross Section in pp Collisions at root s=7 TeV[J]. PHYSICAL REVIEW LETTERS,2011,107(9).
APA CMS Collaboration.(2011).Measurement of the t-Channel Single Top Quark Production Cross Section in pp Collisions at root s=7 TeV.PHYSICAL REVIEW LETTERS,107(9).
MLA CMS Collaboration."Measurement of the t-Channel Single Top Quark Production Cross Section in pp Collisions at root s=7 TeV".PHYSICAL REVIEW LETTERS 107.9(2011).
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