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Quark mass dependence of the pion mass and decay constant using Nf=2 maximally twisted fermions

Presenter: Gregorio Herdoiza — INFN Roma Tor Vergata

Gregorio Herdoiza

We present results for the pion mass and decay constant from large-scale simulations using two flavours of twisted mass fermions at maximal twist in the vicinity of the chiral limit. The quark mass dependence of these quantities is studied at different lattice spacings through chiral perturbation theory formulae including finite volume effects. We determine the mass of the light quarks and the chiral condensate.