Taste-Changing in Staggered Quarks
arXiv:hep-lat/0209152 · doi:10.1016/S0920-5632(03)01581-0
Abstract
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.
3 pages using espcrc2.sty and amsmath.sty, 1 Feynman diagram using feynmp.sty for Lattice2002(improve)