Effects of deformation on the β-decay patterns of light even-even and odd-mass Hg and Pt isotopes

J. M. Boillos and P. Sarriguren
Phys. Rev. C 91, 034311 – Published 10 March 2015

Abstract

Bulk and decay properties, including deformation energy curves, charge mean square radii, Gamow–Teller (GT) strength distributions and β-decay half-lives are studied in neutron-deficient even-even and odd-A Hg and Pt isotopes. The nuclear structure is described microscopically from deformed quasiparticle random-phase approximation calculations with residual interactions in both particle-hole and particle-particle channels, performed on top of a self-consistent deformed quasiparticle Skyrme Hartree–Fock basis. The observed sensitivity of the not-yet-measured GT strength distributions to deformation is proposed as an additional complementary signature of the nuclear shape. The β-decay half-lives resulting from these distributions are compared to experiment to demonstrate the ability of the method.

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  • Received 1 December 2014
  • Revised 23 February 2015

DOI:https://doi.org/10.1103/PhysRevC.91.034311

©2015 American Physical Society

Authors & Affiliations

J. M. Boillos and P. Sarriguren*

  • Instituto de Estructura de la Materia, IEM-CSIC, Serrano 123, E-28006 Madrid, Spain

  • *p.sarriguren@csic.es

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Issue

Vol. 91, Iss. 3 — March 2015

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