Abstract
We present a computation of the charm quark’s mass and the leptonic D-meson decay constants fD and fDs in two-flavour lattice QCD with non-perturbatively O(a) improved Wilson quarks. Our analysis is based on the CLS configurations at two lattice spacings (a= 0.065 and 0.048 fm, where the lattice scale is set by fK) and pion masses ranging down to ∼ 190 MeV at Lmπ & 4, in order to perform controlled continuum and chiral extrapolations with small systematic uncertainties.
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