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Spectroscopy, leptonic decays and the nature of heavy quarkonia

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dc.contributor.author	Doménech Garret, Juan Luis
dc.contributor.author	Sanchis Lozano, Miguel Ángel
dc.date.accessioned	2015-05-21T12:10:27Z
dc.date.available	2015-05-21T12:10:27Z
dc.date.issued	2008
dc.identifier.citation	Doménech Garret, Juan Luis Sanchis Lozano, Miguel Ángel 2008 Spectroscopy, leptonic decays and the nature of heavy quarkonia Physics Letters B 669 1 52 57
dc.identifier.uri	http://hdl.handle.net/10550/43928
dc.description.abstract	We examine the electronic width ratios of ϒ resonances below the View the MathML sourceBB¯ threshold by means of an effective (Cornell-type) QCD potential incorporating 1/mb1/mb corrections obtained from a prior fit to the bottomonium spectrum. From our analysis we conclude that the ϒ(2S)ϒ(2S) and ϒ(3S)ϒ(3S) states should belong to the strong-coupling (nonperturbative) regime while the ϒ(1S)ϒ(1S) state should belong to the weak-coupling (perturbative) regime, in agreement with a previous study based on radiative decays.
dc.language.iso	eng
dc.relation.ispartof	Physics Letters B, 2008, vol. 669, num. 1, p. 52-57
dc.subject	Física
dc.title	Spectroscopy, leptonic decays and the nature of heavy quarkonia
dc.type	journal article	es_ES
dc.date.updated	2015-05-21T12:10:27Z
dc.identifier.doi	10.1016/j.phystetb.2008.09.021
dc.identifier.idgrec	091244
dc.rights.accessRights	open access	es_ES