ChPT description of the pion mass and decay constant from N_f=2 twisted mass QCD (0912.5197v1)

Published 28 Dec 2009 in hep-ph

Abstract: We study lattice QCD determinations of the pion mass and decay constant by means of chiral perturbation theory (ChPT). The lattice data are obtained from large scale simulations with N_f=2 flavours of twisted mass fermions at maximal twist. We perform a scaling test to the continuum limit of these data and use ChPT to perform both the chiral and the infinite volume extrapolations.

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