A Nonperturbative Study of Quarkonium Systems

dc.creatorMa, J. P.
dc.creatorMcKellar, B. H. J.
dc.date1995-04-20
dc.date.accessioned2026-07-07T03:57:32Z
dc.date.available2026-07-07T03:57:32Z
dc.descriptionUsing Nonrelativistic QCD on the lattice we studied the mass spectrum of quarkonium systems nonperturbatively for a range of the bar quark mass. We determined two products of the matrix elements involved in quarkonium decays and studied the mass dependence of the results. We predict from our calculations the leptonic decay width of $Υ$, and use the mass dependence to predict the leptonic decay width of $J/ψ$. These calculations agree with the experimental results. In lattice NRQCD an additional parameter $n$ is introduced, and we study the sensitivity of our results to the choice of $n$.
dc.description10 pages + 2 figures. They are included in one ps-file. uuencoded and compressed
dc.identifierhttps://arxiv.org/abs/hep-ph/9504344
dc.identifierhttp://arxiv.org/abs/hep-ph/9504344
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/45464
dc.subjectHigh Energy Physics - Phenomenology
dc.titleA Nonperturbative Study of Quarkonium Systems
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