Neutral B Meson Mixing and Decay Constants from Lattice QCD
Laurent Lellouch, C. -J. David Lin
Abstract
We present updates of our results for neutral B-meson mixing and leptonic decay constants obtained in the quenched approximation from a mean-field-improved Sheikholeslami-Wohlert action at two values of lattice spacing. We consider quantities such as BBd(s), fD(s), fB(s) and the full ΔB=2 matrix-elements, as well as the corresponding SU(3)-breaking ratios.
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