B_s Mesons using Staggered Light Quarks

Details B_s Mesons using Staggered Light Quarks B_s Mesons using Staggered Light Quarks

2002-09-09

arxiv.org/abs/hep-lat/0209096v1

Physics

High Energy Physics

High Energy Physics - Lattice

Talk presented by M.W. at Lattice2002(heavyquark)

Scientific paper

10.1016/S0920-5632(03)01635-9

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 B_s meson has been completed using quenched lattices, and results are presented here for the kinetic B_s mass, the B_s^* - B_s splitting, and f_{B_s}. The next project, already underway, is to compute the B and B_s decay constants and spectra on the n_f = 2+1 and 3 MILC lattices. We report on progress with one set of these configurations.

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