ChPT description of the pion mass and decay constant from N_f=2 twisted mass QCD

Details ChPT description of the pion mass and decay constant from N_f=2 twisted mass QCD ChPT description of the pion mass and decay constant from N_f=2 twisted mass QCD

2009-12-28

arxiv.org/abs/0912.5197v1

PoS EFT09:039,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 4 figures, presented at International Workshop on Effective Field Theories: From the Pion to the Upsilon (EFT 09), Va

Scientific paper

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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