Measurement of event shapes at large momentum transfer with the ATLAS detector in pp collisions at root s=7 TeV
ATLAS Collaboration
刊名EUROPEAN PHYSICAL JOURNAL C
2012
卷号72期号:11
关键词DEEP-INELASTIC SCATTERING PARTON DISTRIBUTIONS HERA ANNIHILATION NUCLEUS PHYSICS MODEL LHC QCD
学科分类Physics
DOI10.1140/epjc/s10052-012-2211-y
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 event shape variables is presented for large momentum transfer proton-proton collisions using the ATLAS detector at the Large Hadron Collider. Six event shape variables calculated using hadronic jets are studied in inclusive multi-jet events in 35 pb(-1) of integrated luminosity at a center-of-mass energy of root s = 7 TeV. These measurements are compared to predictions by three Monte Carlo event generators containing leading-logarithmic parton showers matched to leading order matrix elements for 2 -> 2 and 2 -> n (n = 2, ... , 6) scattering. Measurements of the third-jet resolution parameter, aplanarity, thrust, sphericity, and transverse sphericity are generally well described. The mean value of each event shape variable is evaluated as a function of the average momentum of the two leading jets p(T,1) and p(T,2), with a mean p(T) approaching 1 TeV.
类目[WOS]Physics, Particles & Fields
收录类别SCI
语种英语
WOS记录号WOS:000312074800015
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被引频次:9[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/311005/213394
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 event shapes at large momentum transfer with the ATLAS detector in pp collisions at root s=7 TeV[J]. EUROPEAN PHYSICAL JOURNAL C,2012,72(11).
APA ATLAS Collaboration.(2012).Measurement of event shapes at large momentum transfer with the ATLAS detector in pp collisions at root s=7 TeV.EUROPEAN PHYSICAL JOURNAL C,72(11).
MLA ATLAS Collaboration."Measurement of event shapes at large momentum transfer with the ATLAS detector in pp collisions at root s=7 TeV".EUROPEAN PHYSICAL JOURNAL C 72.11(2012).
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