Measurement of differential top-quark-pair production cross sections in pp collisions at root s=7 TeV

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	Measurement of differential top-quark-pair production cross sections in pp collisions at root s=7 TeV
	CMS Collaboration
刊名	EUROPEAN PHYSICAL JOURNAL C
	2013
卷号	73 期号:3
关键词	TOPCOLOR LHC
通讯作者	Chatrchyan, S (reprint author), Yerevan Phys Inst, Yerevan 375036, Armenia.
英文摘要	Normalised differential top-quark-pair production cross sections are measured in pp collisions at a centre-of-mass energy of 7 TeV at the LHC with the CMS detector using data recorded in 2011 corresponding to an integrated luminosity of 5.0 fb(-1). The measurements are performed in the lepton + jets decay channels (e + jets and mu + jets) and the dilepton decay channels (e(+)e(-), mu(+)mu(-), and mu(+/-)e(-/+)). The t (t) over bar differential cross section is measured as a function of kinematic properties of the final-state charged leptons and jets associated to b quarks, as well as those of the top quarks and the t (t) over bar system. The data are compared with several predictions from perturbative QCD calculations up to approximate next-to-next-to-leading-order precision. No significant deviations from the standard model are observed.
学科主题	Physics
类目[WOS]	Physics, Particles & Fields
收录类别	SCI
语种	英语
WOS记录号	WOS:000318290600012
公开日期	2016-02-25
内容类型	期刊论文
源URL	[http://ir.ihep.ac.cn/handle/311005/213525]
专题	高能物理研究所_粒子天体物理中心
作者单位	中国科学院高能物理研究所
推荐引用方式 GB/T 7714	CMS Collaboration. Measurement of differential top-quark-pair production cross sections in pp collisions at root s=7 TeV[J]. EUROPEAN PHYSICAL JOURNAL C,2013,73(3).
APA	CMS Collaboration.(2013).Measurement of differential top-quark-pair production cross sections in pp collisions at root s=7 TeV.EUROPEAN PHYSICAL JOURNAL C,73(3).
MLA	CMS Collaboration."Measurement of differential top-quark-pair production cross sections in pp collisions at root s=7 TeV".EUROPEAN PHYSICAL JOURNAL C 73.3(2013).