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Hyperfine mixing in electromagnetic decay of doubly heavy bc baryons

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dc.contributor.author	Albertus, Conrado
dc.contributor.author	Hernández Gajate, Eliecer
dc.contributor.author	Nieves Pamplona, Juan Miguel
dc.date.accessioned	2014-10-24T07:14:59Z
dc.date.available	2014-10-24T07:14:59Z
dc.date.issued	2010
dc.identifier.citation	Albertus, Conrado Hernández Gajate, Eliecer Nieves Pamplona, Juan Miguel 2010 Hyperfine mixing in electromagnetic decay of doubly heavy bc baryons Physics Letters B 690 3 265 271
dc.identifier.uri	http://hdl.handle.net/10550/39320
dc.description.abstract	We investigate the role of hyperfine mixing in the electromagnetic decay of ground state doubly heavy bc baryons. As in the case of a previous calculation on b -> c semileptonic decays of doubly heavy baryons, we find large corrections to the electromagnetic decay widths due to this mixing. Contrary to the weak case just mentioned, we find here that one cannot use electromagnetic width relations obtained in the infinite heavy quark mass limit to experimentally extract information on the admixtures in a model independent way.
dc.language.iso	eng
dc.relation.ispartof	Physics Letters B, 2010, vol. 690, num. 3, p. 265-271
dc.subject	Física
dc.title	Hyperfine mixing in electromagnetic decay of doubly heavy bc baryons
dc.type	journal article	es_ES
dc.date.updated	2014-10-24T07:14:59Z
dc.identifier.doi	10.1016/j.physletb.2010.05.042
dc.identifier.idgrec	062692
dc.rights.accessRights	open access	es_ES