The radiative decays $ϕ\toγa_0/f_0$ in the molecular model for the scalar mesons

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dc.creatorKalashnikova, Yu. S.
dc.creatorKudryavtsev, A. E.
dc.creatorNefediev, A. V.
dc.creatorHanhart, C.
dc.creatorHaidenbauer, J.
dc.date2004-12-22
dc.date2005-06-24
dc.date.accessioned2026-07-07T11:43:32Z
dc.date.available2026-07-07T11:43:32Z
dc.descriptionWe investigate the radiative decays of the $ϕ$ meson to the scalar mesons $a_0(980)$ and $f_0(980)$. We demonstrate that, contrary to earlier claims, these decays should be of the same order of magnitude for a molecular state and for a compact state and, therefore, the available experimental information is consistent with both, a molecular as well as a compact structure of the scalars. Thus, the radiative decays of the $ϕ$ meson into scalars establish a sizable $K\bar K$ component of the scalar mesons, but do not allow to discriminate between molecules and compact states.
dc.description9 pages; extended discussion on finite width effects; version as published in Eur. Phys. J
dc.identifierhttps://arxiv.org/abs/hep-ph/0412340
dc.identifierhttp://arxiv.org/abs/hep-ph/0412340
dc.identifierEur.Phys.J.A24:437-443,2005
dc.identifierdoi:10.1140/epja/i2005-10008-4
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/201271
dc.subjectHigh Energy Physics - Phenomenology
dc.titleThe radiative decays $ϕ\toγa_0/f_0$ in the molecular model for the scalar mesons
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