One-loop renormalization factors and mixing coeffecients of bilinear quark operators for improved gluon and quark actions

Details One-loop renormalization factors and mixing coeffecients of bilinear quark operators for improved gluon and quark actions One-loop renormalization factors and mixing coeffecients of bilinear quark operators for improved gluon and quark actions

1998-09-11

arxiv.org/abs/hep-lat/9809070v1

Nucl.Phys.Proc.Suppl. 73 (1999) 912-914

Physics

High Energy Physics

High Energy Physics - Lattice

LATTICE98(improvement), 3 pages

Scientific paper

10.1016/S0920-5632(99)85242-6

We calculate one-loop renormalization factors and mixing coefficients of bilinear quark operators for a class of gluon actions with six-link loops and O(a)-improved quark action. The calculation is carried out by evaluating on-shell Green's functions of quarks and gluons in the standard perturbation theory. We find a general trend that finite parts of one-loop coefficients are reduced approximately by a factor two for the renormalization-group improved gluon actions compared with the case of the standard plaquette gluon action.

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