Sea quark QED effects and twisted mass fermions
February 17, 2017
March 24, 2017
We show that maximally twisted mass fermions can be employed to regularize on the lattice
the fully unquenched QCD+QED theory with vanishing θ-term. We discuss how the critical
mass of the up and down quarks can be conveniently determined beyond the electroquenched
approximation by imposing that certain symmetries of continuum QCD+QED, which are broken
by Wilson terms, get restored in the continuum limit.
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