B Leptonic Decays and B- bar B Mixing with 2+1 Flavors of Dynamical Quarks
Abstract
Calculations of B leptonic decays and B- bar B mixing using NRQCD heavy and Asqtad light valence quarks on the MILC dynamical configurations are described. Smearing has been implemented to substantially reduce the statistical errors of the matrix elements needed for the determination of fB. The four-fermion matrix elements needed for the determination of fBs2BBs have been calculated and a preliminary result is given.
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