Heavy-light decay constants from relativistic Nf=2,0 QCD

Details Heavy-light decay constants from relativistic Nf=2,0 QCD Heavy-light decay constants from relativistic Nf=2,0 QCD

1999-09-16

arxiv.org/abs/hep-ph/9909398v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Contribution to EPS 99, Tampere, Finland. LateX2e file, 2 pages long. Requires hep99 style files (included) and epsf. 3 Encaps

Scientific paper

We present results on an analysis of the decay constants fB and fBs with two flavours of sea quark. The calculation has been carried out on 3 different bare gauge couplings and 4 sea quark masses at each gauge coupling, with m_pi/m_rho ranging from 0.8 to 0.6. We employ the Fermilab formalism to perform calculations with heavy quarks whose mass is in the range of the b-quark. A comparison with a quenched calculation using the same action is made to elucidate the effects due to the sea quarks.

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