Hyperfine mixing in electromagnetic decay of doubly heavy bc baryons
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Hyperfine mixing in electromagnetic decay of doubly heavy bc baryons

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Hyperfine mixing in electromagnetic decay of doubly heavy bc baryons

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Albertus, Conrado; Hernández Gajate, Eliecer; Nieves Pamplona, Juan Miguel
This document is a artículoDate2010

Este documento está disponible también en : http://hdl.handle.net/10550/39320
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.

    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
http://dx.doi.org/10.1016/j.physletb.2010.05.042

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