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题名:
Initial partonic eccentricity fluctuations in a multiphase transport model
作者: Ma, L; Ma, GL; Ma, YG
刊名: PHYSICAL REVIEW C
出版日期: 2016
卷号: 94, 期号:4, 页码:-
DOI: 10.1103/PhysRevC.94.044915
通讯作者: Ma, GL (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
文章类型: 期刊论文
英文摘要: Initial partonic eccentricities in Au + Au collisions at center-of-mass energy root s(NN) = 200 GeV are investigated by using a multiphase transport model with a string-melting scenario. The initial eccentricities in different order of harmonics are studied by using participant and cumulant definitions. Eccentricity in terms of second- ,fourth-and sixth-order cumulants as a function of number of participant nucleons are compared systematically with the traditional participant definition. The ratio of the cumulant eccentricities epsilon{4}/epsilon{2} and epsilon{6}/epsilon{4} are studied in comparison with the ratio of the corresponding flow harmonics. The conversion coefficients (upsilon(n)/epsilon(n)) are explored up to fourth-order harmonics based on the cumulant method. Furthermore, studies on transverse momentum (p(T)) and pseudorapidity (eta) dependencies of eccentricities and their fluctuations are presented. As in ideal hydrodynamics, initial eccentricities are expected to be closely related to the final flow harmonics in relativistic heavy-ion collisions, studies of the fluctuating initial condition in the AMPT model will shed light on the tomography properties of the initial source geometry.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000390177600003
ISSN号: 2469-9985
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/26543
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Ma, L,Ma, GL,Ma, YG. Initial partonic eccentricity fluctuations in a multiphase transport model[J]. PHYSICAL REVIEW C,2016-01-01,94(4):-.
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