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	Differential top-antitop cross-section measurements as a function of observables constructed from final-state particles using pp collisions at root s=7 tev in the atlas detector
	Aad, G.124; Abbott, B.156; Abdallah, J.219; Abdel Khalek, S.160,161; Abdinov, O.15; Aben, R.149; Abi, B.157; Abolins, M.129; AbouZeid, O. S.226; Abramowicz, H.221
刊名	Journal of high energy physics
	2015-06-16
期号	6页码:56
关键词	Hadron-hadron scattering Top physics
ISSN号	1029-8479
DOI	10.1007/jhep06(2015)100
英文摘要	Various differential cross-sections are measured in top-quark pair (t (t) over bar) events produced in proton-proton collisions at a centre-of-mass energy of root s = 7 tev at the lhc with the atlas detector. these differential cross-sections are presented in a data set corresponding to an integrated luminosity of 4.6 fb(-1). the differential cross-sections are presented in terms of kinematic variables, such as momentum, rapidity and invariant mass, of a top-quark proxy referred to as the pseudo-top-quark as well as the pseudo-top-quark pair system. the dependence of the measurement on theoretical models is minimal. the measurements are performed on tt events in the lepton+jets channel, requiring exactly one charged lepton and at least four jets with at least two of them tagged as originating from a b-quark. the hadronic and leptonic pseudo-top-quarks are defined via the leptonic or hadronic decay mode of the w boson produced by the top-quark decay in events with a single charged lepton. differential cross-section measurements of the pseudo-top-quark variables are compared with several monte carlo models that implement next-to-leading order or leading-order multi-leg matrix-element calculations.
语种	英语
出版者	SPRINGER
WOS记录号	WOS:000356797600001
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/1639619
专题	高能物理研究所
通讯作者	Jovicevic, J.
作者单位	1.Univ Adelaide, Dept Phys, Adelaide, SA, Australia 2.SUNY Albany, Dept Phys, Albany, NY 12222 USA 3.Univ Alberta, Dept Phys, Edmonton, AB, Canada 4.Ankara Univ, Dept Phys, TR-06100 Ankara, Turkey 5.Gazi Univ, Dept Phys, Ankara, Turkey 6.Istanbul Aydin Univ, Istanbul, Turkey 7.TOBB Univ Econ & Technol, Div Phys, Ankara, Turkey 8.CNRS, LAPP, IN2P3, Annecy le Vieux, France 9.Univ Savoie, Annecy Le Vieux, France 10.Argonne Natl Lab, Div High Energy Phys, Argonne, IL 60439 USA
推荐引用方式 GB/T 7714	Aad, G.,Abbott, B.,Abdallah, J.,et al. Differential top-antitop cross-section measurements as a function of observables constructed from final-state particles using pp collisions at root s=7 tev in the atlas detector[J]. Journal of high energy physics,2015(6):56.
APA	Aad, G..,Abbott, B..,Abdallah, J..,Abdel Khalek, S..,Abdinov, O..,...&Harenberg, T..(2015).Differential top-antitop cross-section measurements as a function of observables constructed from final-state particles using pp collisions at root s=7 tev in the atlas detector.Journal of high energy physics(6),56.
MLA	Aad, G.,et al."Differential top-antitop cross-section measurements as a function of observables constructed from final-state particles using pp collisions at root s=7 tev in the atlas detector".Journal of high energy physics .6(2015):56.

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