Weak Decay of $Λ$ in Nuclei : Quarks vs Mesons

K. Sasaki; T. Inoue; M. Oka

doi:10.1016/s0375-9474(99)90427-x

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Weak Decay of $Λ$ in Nuclei : Quarks vs Mesons

K. Sasaki·T. Inoue·M. Oka

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Abstract

Decays of $Λ$ in nuclei, nonmesonic mode, are studied by using the $ΛN \to NN$ weak transition potential derived from the meson exchange mechanism and the direct quark mechanism. The decay rates are calculated both for the $Λ$ in symmetric nuclear matter and light hypernuclei. We consider the exchange of six mesons ($π, K, η, ρ, ω, K^\ast$). The form factor in the meson exchange mechanism and short range correlation are carefully studied.

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K. Sasaki, T. Inoue, M. Oka. 1999-06-14. Weak Decay of $Λ$ in Nuclei : Quarks vs Mesons. https://doi.org/10.1016/s0375-9474(99)90427-x

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