Chiral perturbation theory for lattice QCD with a twisted mass term
Gernot Münster, Christian Schmidt
Abstract
Quantum Chromodynamics on a lattice with Wilson fermions and a chirally twisted mass term for two degenerate quark flavours is considered in the framework of chiral perturbation theory. The pion mass and decay constant are calculated in next-to-leading order including terms linear in the lattice spacing a.
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