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Doubly heavy-quark baryon spectroscopy and semileptonic decay

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Doubly heavy-quark baryon spectroscopy and semileptonic decay

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dc.contributor.author Albertus, Conrado
dc.contributor.author Hernández Gajate, Eliecer
dc.contributor.author Nieves Pamplona, Juan Miguel
dc.contributor.author Verde Velasco, José María
dc.date.accessioned 2014-10-22T10:40:59Z
dc.date.available 2014-10-22T10:40:59Z
dc.date.issued 2007
dc.identifier.citation Albertus, Conrado Hernández Gajate, Eliecer Nieves Pamplona, Juan Miguel Verde Velasco, José María 2007 Doubly heavy-quark baryon spectroscopy and semileptonic decay European Physical Journal A 31 4 691 694
dc.identifier.uri http://hdl.handle.net/10550/39285
dc.description.abstract Working in the framework of a nonrelativistic quark model we evaluate the spectra and semileptonic decay widths for the ground state of doubly heavy Xi and Omega baryons. We solve the three-body problem using a variational ansatz made possible by the constraints imposed by heavy-quark spin symmetry. In order to check the dependence of our results on the inter-quark interaction, we have used five different quark-quark potentials which include Coulomb and hyperfine terms coming from one-gluon exchange, plus a confining term. Our results for the spectra are in good agreement with a previous calculation done using a Faddeev approach. For the semileptonic decay our results for the total decay widths are in good agreement with the ones obtained within a relativistic quark model in the quark-diquark approximation.
dc.language.iso eng
dc.relation.ispartof European Physical Journal A, 2007, vol. 31, num. 4, p. 691-694
dc.subject Física
dc.title Doubly heavy-quark baryon spectroscopy and semileptonic decay
dc.type journal article es_ES
dc.date.updated 2014-10-22T10:41:01Z
dc.identifier.doi 10.1140/epja/i2006-10242-2
dc.identifier.idgrec 099898
dc.rights.accessRights open access es_ES

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