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Measurement of event-plane correlations in root s(NN)=2.76 TeV lead-lead collisions with the ATLAS detector
ATLAS collaboration
2014
发表期刊PHYSICAL REVIEW C
卷号90期号:2
通讯作者Aad, G (reprint author), Aix Marseille Univ, CPPM, Marseille, France.
摘要A measurement of event-plane correlations involving two or three event planes of different order is presented as a function of centrality for 7 mu b(-1) Pb + Pb collision data at v root s(NN) = 2.76 TeV, recorded by the ATLAS experiment at the Large Hadron Collider. Fourteen correlators are measured using a standard event-plane method and a scalar-product method, and the latter method is found to give a systematically larger correlation signal. Several different trends in the centrality dependence of these correlators are observed. These trends are not reproduced by predictions based on the Glauber model, which includes only the correlations from the collision geometry in the initial state. Calculations that include the final-state collective dynamics are able to describe qualitatively, and in some cases also quantitatively, the centrality dependence of the measured correlators. These observations suggest that both the fluctuations in the initial geometry and the nonlinear mixing between different harmonics in the final state are important for creating these correlations in momentum space.
关键词HEAVY-ION COLLISIONS INITIAL GEOMETRY FLUCTUATIONS NUCLEAR COLLISIONS PB COLLISIONS FLOW
学科领域Physics
DOI10.1103/PhysRevC.90.024905
收录类别SCI
语种英语
WOS类目Physics, Nuclear
WOS记录号WOS:000341240300002
引用统计
被引频次:71[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/311005/213763
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 event-plane correlations in root s(NN)=2.76 TeV lead-lead collisions with the ATLAS detector[J]. PHYSICAL REVIEW C,2014,90(2).
APA ATLAS collaboration.(2014).Measurement of event-plane correlations in root s(NN)=2.76 TeV lead-lead collisions with the ATLAS detector.PHYSICAL REVIEW C,90(2).
MLA ATLAS collaboration."Measurement of event-plane correlations in root s(NN)=2.76 TeV lead-lead collisions with the ATLAS detector".PHYSICAL REVIEW C 90.2(2014).
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