Direct photon production from viscous quark-gluon plasma

被引：8

作者：

Chaudhuri, A. K. ^{[1
]}

Sinha, Bikash ^{[1
]}

机构：

[1] Ctr Variable Energy Cyclotron, Kolkata 700064, India

来源：

PHYSICAL REVIEW C | 2011年 / 83卷 / 03期

关键词：

PERSPECTIVE; COLLISIONS;

D O I：

10.1103/PhysRevC.83.034905

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：

We simulate direct photon production in the evolution of viscous quark-gluon plasma medium. Photons from Compton and annihilation processes are considered. The viscous effect on photon production is very strong and reliable simulation is possible only in a limited p(T) range. For minimally viscous fluid (eta/s = 0.08), direct photons can be reliably computed only up to p(T) <= 1.3 GeV. With reduced viscosity (eta/s = 0.04), the limit increases to p(T) <= 2 GeV.

引用

页数：5

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