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Heavy-light physics using NRQCD-staggered actions
Matthew Wingate, Junko Shigemitsu, G. Peter Lepage
One leading source of uncertainty in the lattice computation of semi-leptonic form factors in B decay, and to a lesser extent B meson decay constants, comes from the extrapolation…
A nonperturbative determination of the O(a) improvement coefficient c_A and the scaling of f_pi and m^{MSbar}
S. Collins, C. T. H. Davies, G. P. Lepage +1
We report on an investigation of the LANL method for determining the O(a) improvement coefficient c_A nonperturbatively. We find we are able to extract reliable estimates for the c…
Constrained fitting of three-point functions
M. Gurtler, C. T. H. Davies, J. Hein +2
We determine matrix elements for semileptonic decay. The use of the constrained fitting method and multiple smearings for both two- and three-point correlators allows an…
F_B from moving B mesons
S. Collins, G. Cowan, C. T. H. Davies +4
We show results for the B meson decay constant calculated both for B mesons at rest and those with non-zero momentum and using both the temporal and spatial components of the axial…
Comparison Studies of Finite Momentum Correlators on Anisotropic and Isotropic Lattices
S. Collins, C. T. H. Davies, J. Hein +3
We study hadronic two- and three-point correlators relevant for heavy to light pseudoscalar meson semi-leptonic decays, using Symanzik improved glue, D234 light quark and NRQCD hea…