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S-wave charmed baryon resonances from a coupled-channel approach with heavy quark symmetry

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S-wave charmed baryon resonances from a coupled-channel approach with heavy quark symmetry

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dc.contributor.author	García Recio, Carmen
dc.contributor.author	Magas, Volodymyr
dc.contributor.author	Mizutani, Tetsuro
dc.contributor.author	Nieves Pamplona, Juan Miguel
dc.contributor.author	Ramos Gómez, Àngels
dc.contributor.author	Salcedo, Lorenzo Luis
dc.contributor.author	Tolós Rigueiro, Laura
dc.date.accessioned	2014-10-23T07:47:48Z
dc.date.available	2014-10-23T07:47:48Z
dc.date.issued	2009
dc.identifier.citation	García Recio, Carmen Magas, Volodymyr Mizutani, Tetsuro Nieves Pamplona, Juan Miguel Ramos, A. Salcedo, Lorenzo Luis Tolos, L. 2009 S-wave charmed baryon resonances from a coupled-channel approach with heavy quark symmetry Physical Review D 79 5 054004
dc.identifier.uri	http://hdl.handle.net/10550/39315
dc.description.abstract	We study charmed baryon resonances that are generated dynamically within a unitary meson-baryon coupled-channel model that treats the heavy pseudoscalar and vector mesons on equal footing as required by heavy-quark symmetry. It is an extension of recent SU(4) models with t-channel vector-meson exchanges to an SU(8) spin-flavor scheme, but differs considerably from the SU(4) approach in how the strong breaking of the flavor symmetry is implemented. Some of our dynamically generated states can be readily assigned to recently observed baryon resonances, while others do not have a straightforward identification and require the compilation of more data as well as an extension of the model to d-wave meson-baryon interactions and p-wave coupling in the neglected s- and u-channel diagrams. Of several novelties, we find that the Lambda(c)(2595), which emerged as a ND quasibound state within the SU(4) approaches, becomes predominantly a ND* quasibound state in the present SU(8) scheme.
dc.language.iso	eng
dc.relation.ispartof	Physical Review D, 2009, vol. 79, num. 5, p. 054004
dc.subject	Física
dc.title	S-wave charmed baryon resonances from a coupled-channel approach with heavy quark symmetry
dc.type	journal article	es_ES
dc.date.updated	2014-10-23T07:47:48Z
dc.identifier.doi	10.1103/PhysRevD.79.054004
dc.identifier.idgrec	068561
dc.rights.accessRights	open access	es_ES