Lattice Renormalization of Quark Operators

Details Lattice Renormalization of Quark Operators Lattice Renormalization of Quark Operators

1997-10-13

arxiv.org/abs/hep-lat/9710052v1

Nucl.Phys.Proc.Suppl.63:868-870,1998

Physics

High Energy Physics

High Energy Physics - Lattice

3 pages, Latex, 6 figures. epsf.sty and espcrc2.sty needed. Talk given at Lattice97

Scientific paper

10.1016/S0920-5632(97)00924-9

We have technically improved the non-perturbative renormalization method, proposed by Martinelli et al., by using quark momentum sources and sinks. Composite two-fermion operators up to three derivatives have been measured for Wilson fermions and Sheikholeslami-Wohlert improved fermions in the quenched approximation. The calculations are performed in the Landau gauge on 16^3x32 lattices at beta = 6.0 for 3 kappa values in each case. The improved sources greatly decrease the statistical noise. We extract and discuss here renormalization factors for local operators and moments of the structure functions for Wilson fermions.

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