SOFT PHOTON PRODUCTION-RATE IN RESUMMED PERTURBATION-THEORY OF HIGH-TEMPERATURE QCD

被引：42

作者：

BAIER, R ^{[1
]}

PEIGNE, S ^{[1
]}

SCHIFF, D ^{[1
]}

机构：

[1] UNIV PARIS 11,CNRS,LPTHE,F-91405 ORSAY,FRANCE

来源：

ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS | 1994年 / 62卷 / 02期

关键词：

D O I：

10.1007/BF01560248

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We calculate the production rate of soft real photons from a hot quark-gluon plasma using Braaten-Pisarski's perturbative resummation method. To leading order in the QCD coupling constant g we find a logarithmically divergent result for photon energies of order gT, where T is the plasma temperature. This divergent behaviour is due to unscreened mass singularities in the effective hard thermal loop vertices in the case of a massless external photon.

引用

页码：337 / 341

页数：5

共 27 条

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