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Cabibbo suppressed decays and the Xic+ lifetime (CROSBI ID 94807)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Guberina, Branko ; Štefančić, Hrvoje Cabibbo suppressed decays and the Xic+ lifetime // Physical review. D, Particles and fields, 65 (2002), 114004-x

Podaci o odgovornosti

Guberina, Branko ; Štefančić, Hrvoje

engleski

Cabibbo suppressed decays and the Xic+ lifetime

The problem of the Xic+ lifetime is considered in the framework of heavy-quark expansion and SU(3)flavor symmetry. The lifetime of Xic+ is expressed in terms of measurable inclusive quantities of the other two charmed baryons belonging to the same SU(3)flavor multiplet in a model-independent way. In such a treatment, inclusive decay rates of singly Cabibbo suppressed decay modes have a prominent role. An analogous approach is applied to the multiplet of charmed mesons yielding interesting predictions on Ds+ properties. The results obtained indicate that a more precise measurement of inclusive decay quantities of some charmed hadrons (such as Lambdac+) that are more amenable to experiment can contribute significantly to our understanding of decay properties of other charmed hadrons (such as Xic+) where discrepancies or ambiguities exist.

Xi baryons; baryon decay; quark models; SU(3) theory; charm particles; Lambda baryons

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Podaci o izdanju

65

2002.

114004-x

objavljeno

0556-2821

Povezanost rada

Fizika