Bs Mesons using Staggered Light Quarks
Matthew Wingate, Junko Shigemitsu, G. Peter Lepage, Christine Davies, Howard Trottier
Abstract
Last year we proposed using staggered fermions as the light quarks, combined with nonrelativistic heavy quarks, in simulations of heavy-light mesons. A first round of tests which focuses on the Bs meson has been completed using quenched lattices, and results are presented here for the kinetic Bs mass, the Bs* - Bs splitting, and fBs. The next project, already underway, is to compute the B and Bs decay constants and spectra on the nf = 2+1 and 3 MILC lattices. We report on progress with one set of these configurations.
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