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Measurement of the inclusive jet cross-section in pp collisions at root s=2.76 TeV and comparison to the inclusive jet cross-section at root s=7 TeV using the ATLAS detector
ATLAS collaboration
2013
发表期刊EUROPEAN PHYSICAL JOURNAL C
卷号73期号:8
通讯作者Aad, G (reprint author), Univ Freiburg, Fak Math & Phys, D-79106 Freiburg, Germany.
摘要The inclusive jet cross-section has been measured in proton-proton collisions at root s = 2.76 TeV in a dataset corresponding to an integrated luminosity of 0.20 pb(-1) collected with the ATLAS detector at the Large Hadron Collider in 2011. Jets are identified using the anti-k(t) algorithm with two radius parameters of 0.4 and 0.6. The inclusive jet double-differential cross-section is presented as a function of the jet transverse momentum p(T) and jet rapidity y, covering a range of 20 <= p(T) < 430 GeV and vertical bar y vertical bar < 4.4. The ratio of the cross-section to the inclusive jet cross-section measurement at root s = 7 TeV, published by the ATLAS Collaboration, is calculated as a function of both transverse momentum and the dimensionless quantity x(T) = 2p(T)/root s, in bins of jet rapidity. The systematic uncertainties on the ratios are significantly reduced due to the cancellation of correlated uncertainties in the two measurements. Results are compared to the prediction from next-to-leading order perturbative QCD calculations corrected for non-perturbative effects, and next-to-leading order Monte Carlo simulation. Furthermore, the ATLAS jet cross-section measurements at root s = 2.76 TeV and root s = 7 TeV are analysed within a framework of next-to-leading order perturbative QCD calculations to determine parton distribution functions of the proton, taking into account the correlations between the measurements.
关键词DEEP-INELASTIC SCATTERING CERN PBARP COLLIDER (P)OVER-BAR-P COLLISIONS PERTURBATION-THEORY PARTON DISTRIBUTIONS EP SCATTERING FRAGMENTATION SHOWERS MODEL
学科领域Physics
DOI10.1140/epjc/s10052-013-2509-4
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000323901300004
引用统计
被引频次:53[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/311005/213593
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 the inclusive jet cross-section in pp collisions at root s=2.76 TeV and comparison to the inclusive jet cross-section at root s=7 TeV using the ATLAS detector[J]. EUROPEAN PHYSICAL JOURNAL C,2013,73(8).
APA ATLAS collaboration.(2013).Measurement of the inclusive jet cross-section in pp collisions at root s=2.76 TeV and comparison to the inclusive jet cross-section at root s=7 TeV using the ATLAS detector.EUROPEAN PHYSICAL JOURNAL C,73(8).
MLA ATLAS collaboration."Measurement of the inclusive jet cross-section in pp collisions at root s=2.76 TeV and comparison to the inclusive jet cross-section at root s=7 TeV using the ATLAS detector".EUROPEAN PHYSICAL JOURNAL C 73.8(2013).
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