Unquenching Effects on the Coefficients of the L\"uscher-Weisz Action
classification
✦ hep-lat
keywords
effectsactioncoefficientsimprovementunquenchinguscher-weiszcomputedexplain
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The effects of unquenching on the perturbative improvement coefficients in the Symanzik action are computed within the framework of L\"uscher-Weisz on-shell improvement. We find that the effects of quark loops are surprisingly large, and their omission may well explain the scaling violations observed in some unquenched studies.
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