Perturbative calculation of improvement coefficients to O(g^2a) for bilinear quark operators in lattice QCD

Details Perturbative calculation of improvement coefficients to O(g^2a) for bilinear quark operators in lattice QCD Perturbative calculation of improvement coefficients to O(g^2a) for bilinear quark operators in lattice QCD

1998-06-15

arxiv.org/abs/hep-lat/9806015v1

Phys.Rev. D58 (1998) 114503

Physics

High Energy Physics

High Energy Physics - Lattice

14 pages, REVTeX

Scientific paper

10.1103/PhysRevD.58.114503

We calculate the O(g^2 a) mixing coefficients of bilinear quark operators in lattice QCD using a standard perturbative evaluation of on-shell Green's functions. Our results for the plaquette gluon action are in agreement with those previously obtained with the Schr\"odinger functional method. The coefficients are also calculated for a class of improved gluon actions having six-link terms.

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