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Light quark masses and decay constants from Twisted Mass QCD with Nf=2
Presenter: Cecilia Tarantino — University of Rome "Roma Tre"
We present the results for the light quark masses (mu/d, ms) and the ratio of decay constants FK/Fπ, obtained from a lattice simulation with Nf=2 degenerate Wilson twisted mass quarks at maximal twist. The simulation has been performed with the lattice spacing a ∼0.094 fm and in the range of pseudoscalar masses 280 MeV < mPS < 800 MeV. In extrapolating to the chiral limit we have used the ChPT formulae including finite volume corrections. The quark mass renormalization has been performed non-perturbatively.
© 2006, University of Regensburg, Dept. of Physicscontact: lat07 at physik.uni-regensburg.de