Beam Energy Dependence of First and Higher-Order Flow Harmonics from the STAR Experiment at RHIC

被引：11
|
作者：
Pandit, Yadav [1 ]
机构：
[1] Kent State Univ, Dept Phys, Kent, OH 44242 USA
来源：
NUCLEAR PHYSICS A | 2013年 / 904卷
基金：
新加坡国家研究基金会; 巴西圣保罗研究基金会;
关键词：
D O I：
10.1016/j.nuclphysa.2013.02.023
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：
In these proceedings, we present STAR measurements of directed flow, v(1), for pions, protons and antiprotons between root s(NN) = 7.7 GeV and 200 GeV. A striking observation is that the v(1) slope for net protons as a function of normalized rapidity y' (y/y(beam)), F = dv(1)/dy', which is an estimate of the directed flow contribution from baryon number transported to the midrapidity region, changes sign twice within the lower part of this energy range. We also present the measured beam energy dependence of triangular flow v(3), and the n = 1 to n = 5 flow harmonics for charged particles at 200 GeV.
引用
收藏
页码：357C / 360C
页数：4
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