Heavy-light meson decay constants with N_f=3

Details Heavy-light meson decay constants with N_f=3 Heavy-light meson decay constants with N_f=3

2002-09-26

arxiv.org/abs/hep-lat/0209163v1

Nucl.Phys.Proc.Suppl.119:613-615,2003

Physics

High Energy Physics

High Energy Physics - Lattice

Lattice2002(heavyquark), 3 pages, 3 color figures, to appear in the proceedings of Lattice 2002

Scientific paper

10.1016/S0920-5632(03)01639-6

During the past year the MILC Collaboration has continued its study of heavy-light meson decay constants with three dynamical quarks. Calculations have been extended to a second lattice spacing of about 0.09 fm. At this lattice spacing, there are results in the quenched approximation and for three sets of dynamical quark mass: m_l=m_s; m_l=0.4 m_s and m_l=0.2 m_s, where m_l is the light mass for the u and d quarks and m_s is the strange quark mass. At the coarser lattice spacing, for which results were presented at Lattice 2001, statistics have been increased for two sets of quark masses and three additional sets of quark masses have been studied, giving a total of eight combinations used to interpolate between the quenched and chiral limits. When these calculations are completed, we can study the decay constants taking into account both chiral and continuum extrapolations.

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