B -> pi l nu at three lattice spacings

Details B -> pi l nu at three lattice spacings B -> pi l nu at three lattice spacings

1998-10-20

arxiv.org/abs/hep-lat/9810041v1

Nucl.Phys.Proc.Suppl.73:390-392,1999

Physics

High Energy Physics

High Energy Physics - Lattice

LATTICE98(heavyqk), LaTeX, 3 pages, 4 postscript figures, uses espcrc2.sty

Scientific paper

10.1016/S0920-5632(99)85083-X

The increasing accuracy of experimental results for the exclusive, semileptonic decay B -> pi l nu requires a similarly accurate calculation of the hadronic matrix elements, to determine |Vub|. We present preliminary results for the form factors of the B to light meson decay mode. Using results from three lattices in the range 5.7 <= beta <= 6.1 we study the dependence on the lattice spacing.

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