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Observation of a Centrality-Dependent Dijet Asymmetry in Lead-Lead Collisions at root s(NN)=2.76 TeV with the ATLAS Detector at the LHC
ATLAS Collaboration
2010
发表期刊PHYSICAL REVIEW LETTERS
卷号105期号:25
通讯作者Aad, G (reprint author), Univ Freiburg, Fak Math & Phys, Hermann Herder Str 3, D-79104 Freiburg, Germany.
摘要By using the ATLAS detector, observations have been made of a centrality-dependent dijet asymmetry in the collisions of lead ions at the Large Hadron Collider. In a sample of lead-lead events with a per-nucleon center of mass energy of 2.76 TeV, selected with a minimum bias trigger, jets are reconstructed in fine-grained, longitudinally segmented electromagnetic and hadronic calorimeters. The transverse energies of dijets in opposite hemispheres are observed to become systematically more unbalanced with increasing event centrality leading to a large number of events which contain highly asymmetric dijets. This is the first observation of an enhancement of events with such large dijet asymmetries, not observed in proton-proton collisions, which may point to an interpretation in terms of strong jet energy loss in a hot, dense medium.
学科领域Physics
DOI10.1103/PhysRevLett.105.252303
收录类别SCI
语种英语
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000286750400009
引用统计
被引频次:466[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/311005/213004
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. Observation of a Centrality-Dependent Dijet Asymmetry in Lead-Lead Collisions at root s(NN)=2.76 TeV with the ATLAS Detector at the LHC[J]. PHYSICAL REVIEW LETTERS,2010,105(25).
APA ATLAS Collaboration.(2010).Observation of a Centrality-Dependent Dijet Asymmetry in Lead-Lead Collisions at root s(NN)=2.76 TeV with the ATLAS Detector at the LHC.PHYSICAL REVIEW LETTERS,105(25).
MLA ATLAS Collaboration."Observation of a Centrality-Dependent Dijet Asymmetry in Lead-Lead Collisions at root s(NN)=2.76 TeV with the ATLAS Detector at the LHC".PHYSICAL REVIEW LETTERS 105.25(2010).
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