Quarkonium Decay Matrix Elements from Quenched Lattice QCD

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dc.creatorBodwin, G. T.
dc.creatorSinclair, D. K.
dc.creatorKim, S.
dc.date1996-05-20
dc.date1996-07-30
dc.date.accessioned2026-07-07T12:02:39Z
dc.date.available2026-07-07T12:02:39Z
dc.descriptionWe calculate the long-distance matrix elements for the decays of the lowest-lying S- and P-wave states of charmonium and bottomonium in quenched lattice QCD, using a nonrelativistic formulation for the heavy quarks. (The short-distance coefficients are known from perturbation theory.) In particular, we present the first calculation from QCD first principles of the color-octet contribution to P-wave decay---a contribution that is absent in potential models. We also give the relations between the lattice matrix elements and their continuum counterparts through one-loop order in perturbation theory.
dc.description12 pages, RevTex. Minor changes and corrections -- final PRL version
dc.identifierhttps://arxiv.org/abs/hep-lat/9605023
dc.identifierhttp://arxiv.org/abs/hep-lat/9605023
dc.identifierPhys.Rev.Lett.77:2376-2379,1996
dc.identifierdoi:10.1103/PhysRevLett.77.2376
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/207512
dc.subjectHigh Energy Physics - Lattice
dc.subjectHigh Energy Physics - Phenomenology
dc.titleQuarkonium Decay Matrix Elements from Quenched Lattice QCD
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