Semileptonic Decays of Heavy Mesons: A Status Report

Details Semileptonic Decays of Heavy Mesons: A Status Report Semileptonic Decays of Heavy Mesons: A Status Report

1995-01-13

arxiv.org/abs/hep-lat/9501013v1

Nucl.Phys.Proc.Suppl.42:412-414,1995

Physics

High Energy Physics

High Energy Physics - Lattice

3 pages, uuencoded, contribution to Lat 94

Scientific paper

10.1016/0920-5632(95)00266-C

We present intermediate results on our ongoing investigation concerning semileptonic decays of heavy pseudoscalar mesons into pseudoscalar and vector mesons. The corresponding formfactors are evaluated at several momenta and appropriate combinations of four light and four heavy quarks, which are chosen to allow for an extrapolation into the B Meson region. In order to obtain clear groundstate signals we apply gauge invariant ``Wuppertal'' smearing to the quarks. The analysis is based on 32 quenched gauge configurations of size $24^3 \times 64$ at $\beta=6.3$, with Wilson fermions.

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