Energy loss in unstable QGP - problem of the upper cut-off

被引：2

作者：

Carrington, Margaret E. ^{[1
]}

Deja, Katarzyna ^{[2
]}

Mrowczynski, Stanislaw ^{[2
,3
]}

机构：

[1] Brandon Univ, Dept Phys, Brandon, MB R7A 6A9, Canada

[2] Nat Ctr Nucl Res, Warsaw, Poland

[3] Jan Kochanowski Univ, Inst Phys, Kielce, Poland

来源：

2ND INTERNATIONAL CONFERENCE ON NEW FRONTIERS IN PHYSICS | 2014年 / 71卷

关键词：

PLASMA;

D O I：

10.1051/epjconf/20147100095

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The energy loss of a highly energetic parton in a weakly coupled quark-gluon plasma is studied as an initial value problem. An extremely prolate plasma, where the momentum distribution is infinitely elongated along one direction, is considered. The energy loss is strongly time and direction dependent and its magnitude can much exceed the equilibrium value. It is logarithmically ultraviolet divergent. We argue that a good approximation to the energy loss can be obtained if this divergence is cut off with the parton energy.

引用

页数：6

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