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Study of jet shapes in inclusive jet production in pp collisions at root s=7 TeV using the ATLAS detector
ATLAS collaboration
2011
发表期刊PHYSICAL REVIEW D
卷号83期号:5
通讯作者Aad, G (reprint author), Univ Freiburg, Fak Math & Phys, Hermann Herder Str 3, D-79104 Freiburg, Germany.
摘要Jet shapes have been measured in inclusive jet production in proton-proton collisions at root s = 7 TeV using 3 pb(-1) of data recorded by the ATLAS experiment at the LHC. Jets are reconstructed using the anti-k(t) algorithm with transverse momentum 30 GeV < p(T) < 600 GeV and rapidity in the region vertical bar y vertical bar < 2.8. The data are corrected for detector effects and compared to several leading-order QCD matrix elements plus parton shower Monte Carlo predictions, including different sets of parameters tuned to model fragmentation processes and underlying event contributions in the final state. The measured jets become narrower with increasing jet transverse momentum and the jet shapes present a moderate jet rapidity dependence. Within QCD, the data test a variety of perturbative and nonperturbative effects. In particular, the data show sensitivity to the details of the parton shower, fragmentation, and underlying event models in the Monte Carlo generators. For an appropriate choice of the parameters used in these models, the data are well described.
关键词DEEP-INELASTIC SCATTERING PARTON DISTRIBUTIONS HERA CALORIMETER QCD PHOTOPRODUCTION FRAGMENTATION ENERGIES NUCLEUS TESTS
学科领域Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.83.052003
收录类别SCI
语种英语
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000288121000002
引用统计
被引频次:31[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/311005/213022
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. Study of jet shapes in inclusive jet production in pp collisions at root s=7 TeV using the ATLAS detector[J]. PHYSICAL REVIEW D,2011,83(5).
APA ATLAS collaboration.(2011).Study of jet shapes in inclusive jet production in pp collisions at root s=7 TeV using the ATLAS detector.PHYSICAL REVIEW D,83(5).
MLA ATLAS collaboration."Study of jet shapes in inclusive jet production in pp collisions at root s=7 TeV using the ATLAS detector".PHYSICAL REVIEW D 83.5(2011).
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