Back-to-back correlations of high-pT hadrons in relativistic heavy-ion collisions -: art. no. 082301

被引：36
作者：
Hirano, T [1 ]
Nara, Y
机构：
[1] Univ Tokyo, Dept Phys, Tokyo 1130033, Japan
[2] Brookhaven Natl Lab, RIKEN, BNL Res Ctr, Upton, NY 11973 USA
[3] Univ Arizona, Dept Phys, Tucson, AZ 85721 USA
来源：
PHYSICAL REVIEW LETTERS | 2003年 / 91卷 / 08期
关键词：
D O I：
10.1103/PhysRevLett.91.082301
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We investigate the suppression factor and the azimuthal correlation function for high p(T) hadrons in central Au+Au collisions at roots(NN)=200 GeV by using a dynamical model in which hydrodynamics is combined with explicitly traveling jets. We study the effects of parton energy loss in a hot medium, intrinsic k(T) of partons in a nucleus, and p(perpendicular to) broadening of jets on the back-to-back correlations of high p(T) hadrons. Parton energy loss is found to be a dominant effect on the reduction of the awayside peaks in the correlation function.
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页数：4
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