Improvement and taste symmetry breaking for staggered quarks

/ Authors

E. Follana, C. Davies, A. Hart, P. Lepage, Q. Mason, H. Trottier

/ Abstract

We compare several systematically improved actions for staggered quarks, suggested by a perturbative analysis. We study the effect of improvement on the taste changing interactions by calculating the splitting in the pion spectrum.

Journal: arXiv: High Energy Physics - Lattice

DOI: 10.1016/S0920-5632(03)02589-1