B-meson decay constants with domain-wall light quarks and nonperturbatively tuned relativistic b-quarks
Abstract
We report on our progress to obtain the decay constants fB and fBs from lattice-QCD simulations on the RBC-UKQCD Collaborations 2+1 flavor domain-wall Iwasaki lattices. Using domain-wall light quarks and relativistic b-quarks we analyze data with several partially quenched light-quark masses at two lattice spacings of a approx 0.11 fm and a approx 0.08 fm.
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