Direct photon-hadron correlation measurement and a way towards photon-triggered jets at RHIC

被引：0
|
作者：
Sahoo, Nihar Ranjan [1 ]
机构：
[1] Texas A&M Univ, Cyclotron Inst, College Stn, TX 77843 USA
来源：
WORKSHOP FOR YOUNG SCIENTISTS ON THE PHYSICS OF ULTRARELATIVISTIC NUCLEUS-NUCLEUS COLLISIONS (HOT QUARKS 2016) | 2017年 / 832卷
关键词：
D O I：
10.1088/1742-6596/832/1/012003
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We report the results of gamma(dir)- and pi(0)-hadron azimuthal correlations as a measure of the away-side jet-like correlated yields in central Au+Au and p+p collisions at root s(NN) =200 GeV in the STAR experiment. The charged-hadron per-trigger yields at mid-rapidity with respect to high-p(T) gamma(dir) and pi(0) in central Au+Au collisions are compared with p+p collisions. Within uncertainties, the same z(T) (p(T)(assoc)/p(T)(trig)) dependence of the suppression is observed for gamma(dir)- and pi(0) -triggers. The results are compared with energy-loss model predictions. The gamma-jet measurements can provide further understanding on the redistribution of in-medium energy loss. Ongoing gamma - jet studies in the STAR experiment are also discussed.
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