Coupling $g_{f_0 K^+ K^-}$ and the structure of $f_0(980)$

dc.creatorColangelo, P.
dc.creatorDe Fazio, F.
dc.date2003-01-30
dc.date2003-04-28
dc.date.accessioned2026-07-07T10:33:15Z
dc.date.available2026-07-07T10:33:15Z
dc.descriptionWe use light-cone QCD sum rules to evaluate the strong coupling $g_{f_0 K^+ K^-}$ which enters in several analyses concerning the scalar $f_0(980)$ meson. The result: $6.2\le g_{f_0 K^+ K^-}\le 7.8$ GeV is larger than in previous determinations.
dc.descriptionLaTex, 15 pages, 2 eps figures
dc.identifierhttps://arxiv.org/abs/hep-ph/0301267
dc.identifierhttp://arxiv.org/abs/hep-ph/0301267
dc.identifierPhys.Lett.B559:49-59,2003
dc.identifierdoi:10.1016/S0370-2693(03)00308-3
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/179042
dc.subjectHigh Energy Physics - Phenomenology
dc.titleCoupling $g_{f_0 K^+ K^-}$ and the structure of $f_0(980)$
dc.typetext

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