Lattice Calculation of Quarkonium Decay Matrix Elements
G. T. Bodwin, D. K. Sinclair, S. Kim
Abstract
We calculate the NRQCD matrix elements for the decays of the lowest-lying S- and P-wave states of charmonium and bottomonium in quenched lattice QCD. We also compute the one-loop relations between the lattice and continuum matrix elements.
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