NUCLEAR AND HEAVY ION PHYSICS

Recursive method for opacity expansion at finite temperature

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2011 Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Sciences and the Institute of Modern Physics of the Chinese Academy of Sciences and IOP Publishing Ltd
, , Citation Liu Jia et al 2011 Chinese Phys. C 35 44 DOI 10.1088/1674-1137/35/1/010

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Author affiliations

1 Institute of Particle Physics, Huazhong Normal University, Wuhan 430079, China

2 Key Laboratory of Quark & Lepton Physics (Huazhong Normal University), Ministry of Education, China

3 RIKEN BNL Research Center, Brookhaven National Laboratory, Upton, NY 11973, USA

Dates

  1. Received 18 March 2010
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1674-1137/35/1/44

Abstract

Using a reaction operator approach, we derive the multiple-scattering induced gluon number distribution function to all orders in powers of opacity at finite temperature. The detailed balance effect is analyzed by taking into account both gluon emission and absorption in a thermal medium. We also calculate virtual corrections and show that the infrared divergence cancels out in the gluon distribution function at finite temperature.

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