Abstract
We present a preliminary analysis of the heavy-heavy spectrum and heavy-light decay constants in full QCD, using a tadpole-improved SW quark action and an RG-improved gauge action on a 16 3 × 32 lattice with four sea quark masses corresponding to m π/ m ρ ≈ 0.8, 0.75, 0.7, 0.6 and a −1 ≈ 1.3 GeV. We focus particularly on the effect of sea quarks on these observables.
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