Elsevier

Physics Letters B

Volume 202, Issue 2, 3 March 1988, Pages 174-178
Physics Letters B

Suppression of the β+-decays of 148Dy, 150Er and 152Yb

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Abstract

We use the quasi-particle random-phase approximation (QRPA) with a realistic effective nucleon-nucleon interaction to describe the positron β+-decay of the neutron-deficient single-closed-shell nuclei 14866Dy82, 15068Er82 and 15270Yb82 . In this framework we study the effect of the particle-particle interaction strength on the β+-transition strengths in these nuclei. We are able to reproduce the experimental strengths by reasonable values of the interation parameters, not very different from nucleus to nucleus.

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