Symmetric point quartic gluon vertex and momentum subtraction

Symmetric point quartic gluon vertex and momentum subtraction
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对称点四次胶子顶点和动量减法

DOI:
10.1103/physrevd.90.025011
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发表时间:
2014
期刊:
影响因子:
5
通讯作者:
J. Gracey
J. Gracey
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
J. Gracey

文献摘要

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我们计算了在完全对称点处对QCD四次顶点的全单圈修正。这使我们能够定义一个新的动量减法(Momentum subtraction,简称MMM)计划在Celmaster和Gonsalves提出的计划中。因此,利用重整化群方程的性质,给出了该方案的两个圈重整化群函数。
We compute the full one loop correction to the quartic vertex of QCD at the fully symmetric point. This allows us to define a new momentum subtraction (MOM) scheme in the class of schemes introduced by Celmaster and Gonsalves. Hence using properties of the renormalization group equation, the two loop renormalization group functions for this scheme are given.