Proof of factorization of fragmentation function in non-equilibrium QCD

被引：4

作者：

Nayak, Gouranga C. ^{[1
]}

机构：

[1] Univ Arizona, Dept Phys, Tucson, AZ 85721 USA

来源：

ANNALS OF PHYSICS | 2010年 / 325卷 / 03期

关键词：

Factorization theorem; Fragmentation function; Non-equilibrium QCD; Background field method of QCD; ANNIHILATION PROCESSES; PARTON DISTRIBUTION; MASS DIVERGENCES; DRELL; SOFT;

D O I：

10.1016/j.aop.2009.12.009

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In this paper, we prove factorization of fragmentation function in non-equilibrium QCD by Using Schwinger-Keldysh closed-time path integral formalism. We use the background field method of QCD in a pure gauge in path integral approach to prove factorization of fragmentation function in non-equilibrium QCD. Our proof is valid in any arbitrary gauge fixing parameter alpha. This may be relevant to Study hadron production from quark-gluon plasma at high energy heavy-ion colliders at RHIC and LHC. (C) 2010 Elsevier Inc. All rights reserved.

引用

页码：682 / 690

页数：9

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