Charmonium Spectrum from Quenched QCD with Overlap Fermions

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dc.creatorTamhankar, S.
dc.creatorAlexandru, A.
dc.creatorChen, Y.
dc.creatorDong, S. J.
dc.creatorDraper, T.
dc.creatorHorvath, I.
dc.creatorLee, F. X.
dc.creatorLiu, K. F.
dc.creatorMathur, N.
dc.creatorZhang, J. B.
dc.date2004-09-20
dc.date.accessioned2026-07-07T11:30:51Z
dc.date.available2026-07-07T11:30:51Z
dc.descriptionWe present preliminary results using overlap fermions for the charmonium spectrum, in particular for hyperfine splitting. Simulations are performed on $16^3 \times 72$ lattices, with Wilson gauge action at $β=6.3345$. Depending on how the scale is set, we obtain 104(5) MeV (using $1\bar{P}-1\bar{S}$) or 88(4) MeV (using $r_0$=0.5 fm) for the hyperfine splitting.
dc.description3 pages, 5 fiugres. Talk presented at Lattice 2004 (heavy)
dc.identifierhttps://arxiv.org/abs/hep-lat/0409128
dc.identifierhttp://arxiv.org/abs/hep-lat/0409128
dc.identifierNucl.Phys.Proc.Suppl.140:434-436,2005
dc.identifierdoi:10.1016/j.nuclphysbps.2004.11.253
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/197098
dc.subjectHigh Energy Physics - Lattice
dc.titleCharmonium Spectrum from Quenched QCD with Overlap Fermions
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