Decays rates for S- and P-wave bottomonium
G. T. Bodwin, S. Kim, D. K. Sinclair
Abstract
We use the Bodwin-Braaten-Lepage factorization scheme to separate the long- and short-distance factors that contribute to the decay rates of Υ, ηb (S-wave) and χb,hb (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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