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Heavy-quark spin symmetry for charmed and strange baryon resonances

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Heavy-quark spin symmetry for charmed and strange baryon resonances

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dc.contributor.author	Romanets, Olena
dc.contributor.author	Tolós Rigueiro, Laura
dc.contributor.author	García Recio, Carmen
dc.contributor.author	Nieves Pamplona, Juan Miguel
dc.contributor.author	Salcedo, Lorenzo Luis
dc.contributor.author	Timmermans, Rob
dc.date.accessioned	2014-10-15T07:14:00Z
dc.date.available	2014-10-15T07:14:00Z
dc.date.issued	2013
dc.identifier.citation	Romanets, Olena Tolos, L. García Recio, Carmen Nieves Pamplona, Juan Miguel Salcedo, Lorenzo Luis Timmermans, Rob 2013 Heavy-quark spin symmetry for charmed and strange baryon resonances Nuclear Physics A 914 488 493
dc.identifier.uri	http://hdl.handle.net/10550/39196
dc.description.abstract	We study charmed and strange odd-parity baryon resonances that are generated dynamically by a unitary baryon-meson coupled-channels model which incorporates heavy-quark spin symmetry. This is accomplished by extending the SU(3) Weinberg-Tomozawa chiral Lagrangian to SU(8) spin-flavor symmetry plus a suitable symmetry breaking. The model generates resonances with negative parity from the s-wave interaction of pseudoscalar and vector mesons with 1/2(+) and 3/2(+) baryons in all the isospin, spin, and strange sectors with one, two, and three charm units. Some of our results can be identified with experimental data from several facilities, such as the CLEO, Belle, or BaBar Collaborations, as well as with other theoretical models, whereas others do not have a straightforward identification and require the compilation of more data and also a refinement of the model.
dc.language.iso	eng
dc.relation.ispartof	Nuclear Physics A, 2013, vol. 914, p. 488-493
dc.subject	Física
dc.title	Heavy-quark spin symmetry for charmed and strange baryon resonances
dc.type	journal article	es_ES
dc.date.updated	2014-10-15T07:14:00Z
dc.identifier.doi	10.1016/j.nuclphysa.2013.01.033
dc.identifier.idgrec	091387
dc.rights.accessRights	open access	es_ES