Taste-Changing in Staggered Quarks

Quentin Mason , Peter Lepage , Paul Mackenzie , Howard Trottier , Joachim Hein , Christine Davies , Eduardo Follana

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classification ✦ hep-lat

keywords taste-changingquarksstaggeredcalculatecoefficientseffectivefour-quarkimproved

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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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Taste-Changing in Staggered Quarks

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