Determination of the Improvement Coefficient c_SW up to One-Loop Order with the Conventional Perturbation Theory

Details Determination of the Improvement Coefficient c_SW up to One-Loop Order with the Conventional Perturbation Theory Determination of the Improvement Coefficient c_SW up to One-Loop Order with the Conventional Perturbation Theory

2003-06-13

arxiv.org/abs/hep-lat/0306015v1

Phys.Rev. D68 (2003) 094019

Physics

High Energy Physics

High Energy Physics - Lattice

18 pages, 1 figure as eps-file

Scientific paper

10.1103/PhysRevD.68.094019

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 the 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 Schr{\"o}dinger functional method.

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