Scaling and ChPT Description of Pions from N_f=2 twisted mass QCD

Details Scaling and ChPT Description of Pions from N_f=2 twisted mass QCD Scaling and ChPT Description of Pions from N_f=2 twisted mass QCD

2009-12-28

arxiv.org/abs/0912.5198v1

PoS LAT2009:117,2009

Physics

High Energy Physics

High Energy Physics - Lattice

8 pages, 2 figures, presented at the XXVII International Symposium on Lattice Field Theory, July 26-31, 2009, Peking Universit

Scientific paper

We study light-quark observables by means of dynamical lattice QCD simulations using two flavours of twisted mass fermions at maximal twist. We employ chiral perturbation theory to describe our data for the pion mass and decay constant. In this way, we extract precise determinations for the low-energy constants of the effective theory as well as for the light-quark mass and the chiral condensate.

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