We present results from a systematic perturbative investigation of taste-changing in improved staggered quarks. We show one-loop taste-changing interactions can be removed perturbatively by an effective four-quark term and calculate the necessary coefficients.
Cite
@article{arxiv.hep-lat/0209152,
title = {Taste-Changing in Staggered Quarks},
author = {Quentin Mason and Peter Lepage and Paul Mackenzie and Howard Trottier and Joachim Hein and Christine Davies and Eduardo Follana},
journal= {arXiv preprint arXiv:hep-lat/0209152},
year = {2009}
}
Comments
3 pages using espcrc2.sty and amsmath.sty, 1 Feynman diagram using feynmp.sty for Lattice2002(improve)