Nonmesonic weak decay of charmed hypernuclei

We present a study of the nonmesonic weak decay (NMWD) of charmed hypernuclei using a relativistic formalism. We work within the framework of the independent particle shell model and employ a (π, K) one-meson-exchange model for the decay dynamics. We implement a fully relativistic treatment of nucle...

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Bibliographic Details
Published in:Journal of physics. G, Nuclear and particle physics Nuclear and particle physics, 2018-01, Vol.45 (1), p.15101
Main Authors: Fontoura, C E, Krmpoti, F, Galeão, A P, Conti, C De, Krein, G
Format: Article
Language:English
Subjects:
charm hypernuclei
relativistic nuclear models
weak decay
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Summary:We present a study of the nonmesonic weak decay (NMWD) of charmed hypernuclei using a relativistic formalism. We work within the framework of the independent particle shell model and employ a (π, K) one-meson-exchange model for the decay dynamics. We implement a fully relativistic treatment of nuclear recoil. Numerical results are obtained for the one-neutron-induced transition NMWD rates of the Λ c + 12 N. The effect of nuclear recoil is sizable and goes in the direction to decrease the nuclear decay rate. We found that the NMWD decay rate of Λ c + 12 N is of the same order of magnitude as the partial decay rate for the corresponding mesonic decay Λ c + → Λ + π + , suggesting the feasibility of experimental detection of such heavy-flavor nuclear processes.
ISSN:0954-3899
1361-6471
DOI:10.1088/1361-6471/aa982a