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Lattice simulations withNf=2+1improved Wilson fermions at a fixed strange quark mass

Bali, Gunnar S. ; Scholz, Enno E. ; Simeth, Jakob ; Söldner, Wolfgang


The explicit breaking of chiral symmetry of the Wilson fermion action results in additive quark mass renormalization. Moreover, flavor singlet and nonsinglet scalar currents acquire different renormalization constants with respect to continuum regularization schemes. This complicates keeping the renormalized strange quark mass fixed when varying the light quark mass in simulations with N-integral ...


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