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B and D meson decay constants from 2+1 flavor improved staggered simulations
E. T. Neil, Jon A. Bailey, A. Bazavov +21
We give an update on simulation results for the decay constants f_B, f_{B_s}, f_D and f_{D_s}. These decay constants are important for precision tests of the standard model, in par…
B- and D-meson decay constants from three-flavor lattice QCD
A. Bazavov, C. Bernard, C. M. Bouchard +20
We calculate the leptonic decay constants of B_{(s)} and D_{(s)} mesons in lattice QCD using staggered light quarks and Fermilab bottom and charm quarks. We compute the heavy-light…
K -> pi l nu form factors with staggered quarks
E. Gamiz, C. DeTar, A. X. El-Khadra +3
We report on the status of the Fermilab-MILC calculation of the form factor f_+^{K pi}(0), needed to extract the CKM matrix element |V_{us}| from experimental data on K semileptoni…