A Microscopic Description of the Beta Decay of Dy168 using the Gamow-Teller Force

Raden Oktova


A description of the beta decay of the nucleus Dy168 is presented using the Gamow-Teller force in the frame of the protonneutron Quasiparticle Random Phase Approximation (pn-QRPA). The single-particle ground states are obtained self-consistently using the Fayans energy density functional in an HFB scheme, and the quasiparticle states are built on the single-particle ground states using the BCS approximation. The calculation gives two Gamow-Teller transitions as expected, a half-life about one third of the experimental value, and a decay energy close to the experimental value.


beta decay; Gamow-Teller force; proton-neutron Quasiparticle Random Phase Approximation

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DOI: http://dx.doi.org/10.18517/ijaseit.1.1.6


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Published by INSIGHT - Indonesian Society for Knowledge and Human Development