The Ter-Mikaelian and Landau-Pomeranchuk effects for induced soft gluon radiation in a QCD medium

被引：26
作者：
Kämpfer, B
Pavlenko, OP
机构：
[1] Forschungszentrum Rossendorf, D-01314 Dresden, Germany
[2] Inst Theoret Phys, UA-252143 Kiev 143, Ukraine
来源：
PHYSICS LETTERS B | 2000年 / 477卷 / 1-3期
关键词：
radiative energy loss; quark-gluon plasma;
D O I：
10.1016/S0370-2693(00)00200-8
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The polarization of a surrounding QCD medium modifies the induced gluon radiation spectrum of a high-energy parton at small transverse momenta for a single interaction and for multiple scatterings as well. This effect is an analogue of the Ter-Mikaelian effect in QED, superimposed to the Landau-Pomeranchuk effect. We study the Ter-Mikaelian effect in a phase space region where Abelian radiation does not occur. In this region the induced gluon radiation is shown to be suppressed due to polarization properties of the medium. (C) 2000 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码：171 / 177
页数：7
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