Rapidity and pt dependence of identified-particle elliptic flow at RHIC

被引：5
|
作者：
Sanders, S. J. [1 ]
机构：
[1] Univ Kansas, Lawrence, KS 66045 USA
来源：
JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS | 2007年 / 34卷 / 08期
关键词：
D O I：
10.1088/0954-3899/34/8/S161
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：
Elliptic flow has been measured by the BRAHMS experiment as a function of transverse momentum and pseudorapidity for the Au+Au reaction at root(NN)-N-S = 200 GeV. Identified-particle upsilon(2)(eta, p(t)) values were obtained with the two BRAHMS spectrometers at pseudorapidities. eta approximate to 0, 1 and 3.4. The results show that the differential upsilon(2)(eta, p(t)) values for a given particle type are essentially constant over the covered pseudorapidity range. It is suggested that the dominant cause of the observed fall-off of the integral upsilon(2) values going away from mid-rapidity is a corresponding softening of the particle spectra.
引用
收藏
页码：S1083 / S1086
页数：4
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