Two-loop critical mass for Wilson fermions
classification
✦ hep-lat
keywords
coordinate-spacecriticalfermionsmassmethodtwo-loopwilsonaccuracy
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We have redone a recent two-loop computation of the critical mass for Wilson fermions in lattice QCD by evaluating Feynman integrals with the coordinate-space method. We present the results for different types of infrared regularization. We confirm both the previous numerical estimates and the power of the coordinate-space method whenever high accuracy is needed.
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