A determination of the Bs0 and Bd0 mixing parameters in 2+1 lattice QCD
Abstract
We report on the advances in our unquenched calculation of the matrix elements relevant for the analysis of B0- B0 mixing using the Asqtad (light quark) and Fermilab (heavy quark) actions. We have calculated the hadronic parameters for the mass and width differences in the neutral B meson system. Preliminary results are presented for fBq2 Bq as well as for the ratio 2=fBs2 BBs/fBd2 BBd.
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