B-physics with Nf=2 Wilson fermions
Abstract
We report the final results of the ALPHA collaboration for some B-physics observables: fB, fBs and mb. We employ CLS configurations with 2 flavors of O(a) improved Wilson fermions in the sea and pion masses ranging down to 190 MeV. The b-quark is treated in HQET to order 1/mb. The renormalization, the matching and the improvement were performed non-perturbatively, and three lattice spacings reaching a=0.048 fm are used in the continuum extrapolation.
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