arXiv:hep-lat/9908001·v1·High Energy Physics — Lattice
Perturbative Subtraction Methods
Abstract
The effects of an automated, tenth order in subtraction scheme on the noise variance of various Wilson QCD disconnected matrix elements are examined. It is found that there is a dramatic reduction in the variance of the lattice point-split electromagnetic currents and that this reduction persists at small quark mass.
Comments: Talk presented at LATTICE99(algorithms)