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Inclusive decays and lifetimes of doubly-charmed baryons

Guberina, Branko; Melić, Blaženka; Štefančić, Hrvoje (1999) Inclusive decays and lifetimes of doubly-charmed baryons. European Physical Journal C: Particles and Fields, 9 (2). pp. 213-219. ISSN 1434-6044

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The analysis of singly-charmed hadrons has been extended to the case of doubly-charmed baryons, Xi(cc)(++), Xi(cc)(+) and Omega(cc)(+). Doubly-charmed baryons are described as a system containing a heavy cc diquark and a light quark, as in the case of a heavy-light meson. This leads to preasymptotic effects in semileptonic and nonleptonic decays that are essentially proportional to the meson wave function. Interplay between preasymptotic effects in semileptonic and/or nonleptonic decay rates leads to very clear predictions for semileptonic branching ratios and lifetimes of doubly-charmed baryons.

Item Type: Article
Uncontrolled Keywords: 2 heavy quarks; b-decays; semileptonic decay; qcd corrections; weak decays
Subjects: NATURAL SCIENCES > Physics
NATURAL SCIENCES > Physics > Physics of Elementary Particles and Fields
Divisions: Theoretical Physics Division
Project titleProject leaderProject codeProject type
Teorijska istraživanja osobina fundamentalnih česticaBranko Guberina00980102MZOS
Depositing User: Blaženka Melić
Date Deposited: 07 Oct 2013 09:38
DOI: 10.1007/s100529900039

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