Spin-dependent potentials from lattice QCD

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dc.creatorKoma, Yoshiaki
dc.creatorKoma, Miho
dc.date2006-09-29
dc.date2007-01-23
dc.date.accessioned2026-07-07T10:24:47Z
dc.date.available2026-07-07T10:24:47Z
dc.descriptionThe spin-dependent corrections to the static inter-quark potential are phenomenologically relevant to describing the fine and hyperfine spin splitting of the heavy quarkonium spectra. We investigate these corrections, which are represented as the field strength correlators on the quark-antiquark source, in SU(3) lattice gauge theory. We use the Polyakov loop correlation function as the quark-antiquark source, and by employing the multi-level algorithm, we obtain remarkably clean signals for these corrections up to intermediate distances of around 0.6 fm. Our observation suggests several new features of the corrections.
dc.description36 pages, 22 figures, version to appear in Nucl. Phys. B
dc.identifierhttps://arxiv.org/abs/hep-lat/0609078
dc.identifierhttp://arxiv.org/abs/hep-lat/0609078
dc.identifierNucl.Phys.B769:79-107,2007
dc.identifierdoi:10.1016/j.nuclphysb.2007.01.033
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/176316
dc.subjectHigh Energy Physics - Lattice
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectNuclear Theory
dc.titleSpin-dependent potentials from lattice QCD
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