Towards an understanding of heavy baryon spectroscopy
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Towards an understanding of heavy baryon spectroscopy

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Towards an understanding of heavy baryon spectroscopy

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dc.contributor.author Valcarce Mejía, Alfredo
dc.contributor.author Garcilazo, Humberto
dc.contributor.author Vijande Asenjo, Javier
dc.date.accessioned 2014-10-08T11:09:16Z
dc.date.available 2014-10-08T11:09:16Z
dc.date.issued 2008
dc.identifier.uri http://hdl.handle.net/10550/39106
dc.description.abstract The recent observation at CDF and D0 of Sigma (b) , Sigma (b)* and Xi (b) baryons opens the door to the advent of new states in the bottom baryon sector. The states measured provide sufficient constraints to fix the parameters of phenomenological models. One may therefore consistently predict the full bottom baryon spectra. For this purpose we have solved exactly the three-quark problem by means of the Faddeev method in momentum space. We consider our guidance may help experimentalists in the search for new bottom baryons and their findings will help in constraining further the phenomenological models. We identify particular states whose masses may allow to discriminate between the dynamics for the light quark pairs predicted by different phenomenological models. Within the same framework we also present results for charmed, doubly charmed, and doubly bottom baryons. Our results provide a restricted possible assignment of quantum numbers to recently reported charmed-baryon states. Some of them are perfectly described by D-wave excitations with J(P) = 5/2(+), as the Lambda (c) (2880), Xi (c) (3055), and Xi (c) (3123).
dc.language.iso eng
dc.relation.ispartof European Physical Journal A, 2008, vol. 37, num. 2, p. 217-225
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Valcarce Mejía, Alfredo Garcilazo, Humberto Vijande Asenjo, Javier 2008 Towards an understanding of heavy baryon spectroscopy European Physical Journal A 37 2 217 225
dc.subject Física
dc.title Towards an understanding of heavy baryon spectroscopy
dc.type info:eu-repo/semantics/article
dc.date.updated 2014-10-08T11:09:16Z
dc.identifier.doi http://dx.doi.org/10.1140/epja/i2008-10616-4
dc.identifier.idgrec 046575

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