Semileptonic B Decays from an NRQCD/D234 Action

Details Semileptonic B Decays from an NRQCD/D234 Action Semileptonic B Decays from an NRQCD/D234 Action

2002-08-27

arxiv.org/abs/hep-lat/0208062v1

Physics

High Energy Physics

High Energy Physics - Lattice

Lattice2002(Heavy quark physics)

Scientific paper

10.1016/S0920-5632(03)80457-7

Semileptonic B decays are studied on quenched anisotropic lattices using Symanzik improved glue, NRQCD heavy quark and D234 light quark actions. We employ constrained fits to extract ground state contributions to two- and three-point correlators. Results for the B --> pi, l nubar decay form factors are compared with previous lattice results. We find that our systematic errors (excluding quenching errors) are dominated by chiral extrapolation uncertainties.

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