The Elliptic Flow of Multi-Strange Hadrons in √SNN=200 GeV Au + Au Collisions at STAR

被引：1
|
作者：
Zhang Xiaoping [1 ,2 ,3 ]
机构：
[1] Tsinghua Univ, Dept Engn Phys, Beijing 100084, Peoples R China
[2] Tsinghua Univ, Key Lab Particle & Radiat Imaging, Minist Educ, Beijing 100084, Peoples R China
[3] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Nucl Sci, Berkeley, CA 94720 USA
来源：
PLASMA SCIENCE & TECHNOLOGY | 2012年 / 14卷 / 06期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
elliptic flow; multi-strange hadrons; number of quark scaling; mass ordering; RELATIVISTIC NUCLEAR COLLISIONS; ANISOTROPY; STAR;
D O I：
10.1088/1009-0630/14/6/02
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
Azimuthal anisotropy, especially for the multi-strange hadrons, is expected to be sensitive to the dynamical evolution in the early stage of high energy nuclear collisions. In this paper we present the latest results of multi-strange hadron elliptic flow in Au + Au collisions at,root S-NN = 200 GeV from the STAR experiment at RHIC. The number-of-quark scaling is evidenced with phi(s (s) over bar) and Omega(sss) with highly statistical data, which shows strange quark collectivity at RHIC. The nu(2) of phi meson is found to be consistent with that of proton within statistical error bars at p(T) < 1 GeV/c.
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页数：3
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