Heavy quark symmetry constraints on semileptonic from factors y decay widths of doubly heavy baryons
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Heavy quark symmetry constraints on semileptonic from factors y decay widths of doubly heavy baryons

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Heavy quark symmetry constraints on semileptonic from factors y decay widths of doubly heavy baryons

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Hernández Gajate, Eliecer; Nieves Pamplona, Juan Miguel; Verde Velasco, José María
Aquest document és un/a article, creat/da en: 2008
We show how heavy quark symmetry constraints on doubly heavy baryon semileptonic decay widths can be used to test the validity of different quark model calculations. The large discrepancies in the results observed between different quark model approaches can be understood in terms of a severe violation of heavy quark spin symmetry constraints by some of those models.

    Hernández Gajate, Eliecer Nieves Pamplona, Juan Miguel Verde Velasco, José María 2008 Heavy quark symmetry constraints on semileptonic from factors y decay widths of doubly heavy baryons Physics Letters B 663 3 234 241
http://dx.doi.org/10.1016/j.physletb.2008.03.072
distribuït sota llicència Creative Commons de Reconeixement-NoComercial 3.0 No adaptada

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