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Measurement of inclusive jet and dijet cross sections in proton-proton collisions at 7 TeV centre-of-mass energy with the ATLAS detector
ATLAS collaboration
2011
发表期刊EUROPEAN PHYSICAL JOURNAL C
卷号71期号:2
通讯作者Aad, G (reprint author), Ist Nazl Fis Nucl, Lab Nazl Frascati, Via Enrico Fermi 40, IT-00044 Frascati, Italy.
摘要Jet cross sections have been measured for the first time in proton-proton collisions at a centre-of-mass energy of 7 TeV using the ATLAS detector. The measurement uses an integrated luminosity of 17 nb(-1) recorded at the Large Hadron Collider. The anti-k(t) algorithm is used to identify jets, with two jet resolution parameters, R = 0.4 and 0.6. The dominant uncertainty comes from the jet energy scale, which is determined to within 7% for central jets above 60 GeV transverse momentum. Inclusive single-jet differential cross sections are presented as functions of jet transverse momentum and rapidity. Dijet cross sections are presented as functions of dijet mass and the angular variable chi. The results are compared to expectations based on next-to-leading-order QCD, which agree with the data, providing a validation of the theory in a new kinematic regime.
关键词STRONG-COUPLING ALPHA(S) PARTON DISTRIBUTIONS ANGULAR-DISTRIBUTIONS 4-JET OBSERVABLES HERA CALORIMETER PHOTOPRODUCTION MULTIPLICITIES RESOLUTION COLLIDER
学科领域Physics
DOI10.1140/epjc/s10052-010-1512-2
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000286937900001
引用统计
被引频次:49[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/311005/213011
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 inclusive jet and dijet cross sections in proton-proton collisions at 7 TeV centre-of-mass energy with the ATLAS detector[J]. EUROPEAN PHYSICAL JOURNAL C,2011,71(2).
APA ATLAS collaboration.(2011).Measurement of inclusive jet and dijet cross sections in proton-proton collisions at 7 TeV centre-of-mass energy with the ATLAS detector.EUROPEAN PHYSICAL JOURNAL C,71(2).
MLA ATLAS collaboration."Measurement of inclusive jet and dijet cross sections in proton-proton collisions at 7 TeV centre-of-mass energy with the ATLAS detector".EUROPEAN PHYSICAL JOURNAL C 71.2(2011).
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