PHENIX Measurements of Higher-order Flow Harmonics for Identified Charged Hadrons in Au plus Au collisions at √sNN=39-200 GeV

被引：3

作者：

Gu, Yi ^{[1
]}

机构：

[1] SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA

来源：

NUCLEAR PHYSICS A | 2013年 / 904卷

基金：

美国国家科学基金会; 以色列科学基金会; 日本学术振兴会; 新加坡国家研究基金会;

关键词：

D O I：

10.1016/j.nuclphysa.2013.02.022

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

The azimuthal anisotropy coefficients v(2,3,4), characterizing collective flow in Au+Au collisions, are presented for identified particle species as a function of transverse momentum (PT), centrality (cent) and beam collision energy (s(NN) = 0.039 - 0.20 TeV). The v(n) values for each particle species, show little, if any, change over the measured beam energy range, and v(n)/(n(q))(n/2) vs. KET/n(q) scales to a single curve (constituent quark number (n(q)) scaling) for each n, over a broad range of transverse kinetic energies (KET). A comparison of v(2)(p(T)) for individual particle species obtained in Au+Au collisions at root s(NN) = 0.20 TeV (RHIC) and Pb+Pb collisions at root s(NN) = 2.76 TeV (LHC), indicate stronger collective flow at the LHC. These flow measurements and their scaling patterns, can provide important additional constraints for extraction of the specific viscosity eta/s.

引用

页码：353C / 356C

页数：4

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