Particle-vibration coupling in proton decay of near-spherical nuclei

Phys. Rev. C 64, 034317 – Published 22 August 2001
Cary N. Davids and Henning Esbensen

Abstract

A particle-vibration coupling model is applied to explain the spectroscopic factors and decay rates of odd-A and odd-odd near-spherical proton emitters, as well as the branching ratio for the recently observed fine structure in the decay of 145Tm. In addition, a deformed solution for 145Tm with K=5/2- is presented. Using particle-vibration coupling, good agreement is achieved with observed spectroscopic factors for the near-spherical emitters, including d3/2 cases. For the odd-odd emitters, the unpaired neutron is treated as a spectator. The single-particle potential used in this work has the same parameters as that used to successfully describe the decay rates of the deformed proton emitters 131Eu and 141Ho.

DOI: http://dx.doi.org/10.1103/PhysRevC.64.034317

  • Received 10 May 2001
  • Published 22 August 2001

© 2001 The American Physical Society

Authors & Affiliations

Cary N. Davids and Henning Esbensen

  • Physics Division, Argonne National Laboratory, Argonne, Illinois 60439

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