Triangular flow of identified hadrons in Au plus Au collisions at √SNN=39 and 200 GeV

被引:7
作者
Sun, Xu [1 ,2 ]
机构
[1] Harbin Inst Technol, Dept Phys, Harbin 150001, Peoples R China
[2] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Nucl Sci, Berkeley, CA 94720 USA
关键词
v(3); Mass ordering; NCQ scaling; NUCLEAR COLLISIONS; STAR;
D O I
10.1016/j.nuclphysa.2014.09.058
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
We present triangular flow (v(3)) measured by STAR for identified particles (pi(+/-), K-+/-, p, (p) over bar and phi) relative to the third-harmonic event plane as a function of p(T) for minimum bias (0%-80%) Au + Au collisions at root S-NN = 39 GeV and 200 GeV. We discuss the hydrodynamic description of the mass ordering at low p(T) (p(T) < 1.5 GeV/c), number-of-constituent-quark (NCQ) scaling at intermediate p(T) (0.5 GeV/c < p(T)/n(q) < 1.5 GeV/c), and the ratio of v(2)/v(3) at the p(T) of the crossing of the identified particle v3. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码:1194 / 1198
页数:5
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