Decays rates for S- and P-wave bottomonium

Details Decays rates for S- and P-wave bottomonium Decays rates for S- and P-wave bottomonium

1994-12-01

arxiv.org/abs/hep-lat/9412011v1

Nucl.Phys.Proc.Suppl.42:306-308,1995

Physics

High Energy Physics

High Energy Physics - Lattice

3 pages Latex using espcrc2.sty and epsf.sty + 2 postscript figures

Scientific paper

10.1016/0920-5632(95)00234-Z

We use the Bodwin-Braaten-Lepage factorization scheme to separate the long-
and short-distance factors that contribute to the decay rates of $\Upsilon$,
$\eta_b$ (S-wave) and $\chi_b$,$h_b$ (P-wave). The long distance matrix
elements are calculated on the lattice in the quenched approximation using a
non-relativistic formulation of the $b$ quark dynamics.

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