Inclusive decays and lifetimes of doubly charmed baryons

Details Inclusive decays and lifetimes of doubly charmed baryons Inclusive decays and lifetimes of doubly charmed baryons

1999-11-04

arxiv.org/abs/hep-ph/9911241v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Latex2e, 8 pages, two eps figures, uses ws-p8-50x6-00.cls file; talk given by H. Stefancic at the XVII Autumn School "QCD: Per

Scientific paper

We extend the analysis of weak decays of heavy hadrons to the case of doubly charmed baryons, \Xi_{cc}^{++}, \Xi_{cc}^{+} and \Omega_{cc}^{+}. Doubly charmed baryons are modeled as a heavy-light system containing a heavy cc-diquark and a light quark. Such a model leads to preasymptotic effects in semileptonic and nonleptonic decays which are essentially proportional to the meson wave function. Very clear predictions for semileptonic branching ratios and lifetimes of doubly charmed baryons are obtained.

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