Preliminary heavy-light decay constants from the MILC collaboration

Abstract

Preliminary results from the MILC collaboration for $f_B$, $f_{B_s}$, $f_D$, $f_{D_s}$ and their ratios are presented. We compute in the quenched approximation at $\beta =6.3$, 6.0 and 5.7 with Wilson light quarks and static and Wilson heavy quarks. We attempt to quantify systematic errors due to finite volume, finite lattice spacing, large $am$, and fitting and extrapolation uncertainties. The hopping parameter approach of Henty and Kenway is used to treat the heavy quarks; the sources are Coulomb gauge gaussians.

3 pages, compressed postscript (uufiles), talk given at Lattice '94

References in corpus (4)

• The Charm Quark on the Lattice
• Heavy Quark Physics
• Hopping Parameter Expansion for Heavy-Light Systems
• Heavy-Light Wavefunctions in Lattice QCD

Cited by in corpus (6)

• Lattice Calculation of Heavy-Light Decay Constants with Two Flavors of Dynamical Quarks
• Lattice Determination of Heavy-Light Decay Constants
• Leptonic Decays of Heavy Quarks on the Lattice
• Lattice results for the decay constant of heavy-light vector mesons
• $B$ Meson Matrix Elements from Various Heavy Quark Effective Theories
• $f_B$ quenched and unquenched