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Measurement of charged-particle event shape variables in inclusive root(s)=7 TeV proton-proton interactions with the ATLAS detector
ATLAS collaboration
2013
发表期刊PHYSICAL REVIEW D
卷号88期号:3
通讯作者Aad, G (reprint author), Univ Adelaide, Sch Chem & Phys, North Terrace Campus, Adelaide, SA 5000, Australia.
摘要The measurement of charged-particle event shape variables is presented in inclusive inelastic pp collisions at a center-of-mass energy of 7 TeV using the ATLAS detector at the LHC. The observables studied are the transverse thrust, thrust minor, and transverse sphericity, each defined using the final-state charged particles' momentum components perpendicular to the beam direction. Events with at least six charged particles are selected by a minimum-bias trigger. In addition to the differential distributions, the evolution of each event shape variable as a function of the leading charged-particle transverse momentum, charged-particle multiplicity, and summed transverse momentum is presented. Predictions from several Monte Carlo models show significant deviations from data.
关键词DEEP-INELASTIC SCATTERING PARTON DISTRIBUTIONS E(+)E(-) ANNIHILATION TRANSVERSE ENERGY COLLIDER ALPHA(S) HERA LHC QCD
学科领域Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.88.032004
收录类别SCI
语种英语
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000322785400002
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/213578
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 charged-particle event shape variables in inclusive root(s)=7 TeV proton-proton interactions with the ATLAS detector[J]. PHYSICAL REVIEW D,2013,88(3).
APA ATLAS collaboration.(2013).Measurement of charged-particle event shape variables in inclusive root(s)=7 TeV proton-proton interactions with the ATLAS detector.PHYSICAL REVIEW D,88(3).
MLA ATLAS collaboration."Measurement of charged-particle event shape variables in inclusive root(s)=7 TeV proton-proton interactions with the ATLAS detector".PHYSICAL REVIEW D 88.3(2013).
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