Determination of the improvement coefficient cSW up to one-loop order with conventional perturbation theory -: art. no. 094019

被引：11
|
作者：
Aoki, S [1 ]
Kuramashi, Y
机构：
[1] Univ Tsukuba, Inst Phys, Tsukuba, Ibaraki 3058571, Japan
[2] High Energy Accelerator Res Org KEK, Inst Particle & Nucl Studies, Tsukuba, Ibaraki 3050801, Japan
来源：
PHYSICAL REVIEW D | 2003年 / 68卷 / 09期
关键词：
D O I：
10.1103/PhysRevD.68.094019
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We calculate the O(a) improvement coefficient c(SW) in the Sheikholeslami-Wohlert quark action for various improved gauge actions with six-link loops. We employ a conventional perturbation theory introducing the fictitious gluon mass to regularize the infrared divergence. Our results for some improved gauge actions are in agreement with those previously obtained with the Schrodinger functional method.
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页数：8
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