Taste-Changing in Staggered Quarks
Quentin Mason, Peter Lepage, Paul Mackenzie, Howard Trottier, Joachim Hein, Christine Davies, Eduardo Follana
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.
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