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arxiv: 0904.1895 · v1 · submitted 2009-04-13 · ✦ hep-lat · hep-ph

B and D Meson Decay Constants

C. Bernard , C. DeTar , M. Di Pierro , A. X. El-Khadra , R. T. Evans , E. D. Freeland , E. Gamiz , Steven Gottlieb
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U. M. Heller J. E. Hetrick A. S. Kronfeld J. Laiho L. Levkova P. B. Mackenzie J. Simone R. Sugar D. Toussaint R. S. Van de Water
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classification ✦ hep-lat hep-ph
keywords constantsdecayimprovedquarksstaggeredcalculationscloverensembles
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We present an update of our calculations of the decay constants of the D, D_s, B, and B_s mesons in unquenched 2+1 flavor QCD. We use the MILC library of improved staggered gauge ensembles at lattice spacings 0.09, 0.12, and 0.15 fm, clover heavy quarks with the Fermilab normalizations, and improved staggered light valence quarks.

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