Vector Meson Dominance Model for Radiative Decays Involving Light Scalar Mesons

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dc.creatorBlack, Deirdre
dc.creatorHarada, Masayasu
dc.creatorSchechter, Joseph
dc.date2002-02-07
dc.date2002-03-09
dc.date.accessioned2026-07-07T10:32:59Z
dc.date.available2026-07-07T10:32:59Z
dc.descriptionWe study a vector dominance model which predicts a fairly large number of currently interesting decay amplitudes of the types S -> γγ, V -> S γand S -> V γ, where S and V denote scalar and vector mesons, in terms of three parameters. As an application, the model makes it easy to study in detail a recent proposal to boost the ratio Gamma(phi -> f_0 gamma) / Gamma(phi -> a_0 gamma) by including the isospin violating a_0 - f_0 mixing. However we find that this effect is actually small in our model.
dc.description4 pages, 1 figure, REVTeX. Table I and paragraph on application of model to study effect of a_0 - f_0 mixing revised
dc.identifierhttps://arxiv.org/abs/hep-ph/0202069
dc.identifierhttp://arxiv.org/abs/hep-ph/0202069
dc.identifierPhys.Rev.Lett.88:181603,2002
dc.identifierdoi:10.1103/PhysRevLett.88.181603
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/178952
dc.subjectHigh Energy Physics - Phenomenology
dc.titleVector Meson Dominance Model for Radiative Decays Involving Light Scalar Mesons
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