Heavy-light physics using NRQCD-staggered actions

Details Heavy-light physics using NRQCD-staggered actions Heavy-light physics using NRQCD-staggered actions

2001-10-18

arxiv.org/abs/hep-lat/0110161v1

Nucl.Phys.Proc.Suppl. 106 (2002) 379-381

Physics

High Energy Physics

High Energy Physics - Lattice

Talk given at Lattice2001(heavyquark), 3 pages

Scientific paper

One leading source of uncertainty in the lattice computation of semi-leptonic form factors in B decay, and to a lesser extent B meson decay constants, comes from the extrapolation of the light quark mass to the physical up/down mass. This talk presents first explorations of simulating the light quark with staggered fermion actions, which are free of the spurious zero modes that effect Wilson-like Dirac operators and are less costly. Methods for fitting to Euclidean-time NRQCD-staggered meson propagators are discussed, and some preliminary spectrum results are presented.

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