β-decay properties of neutron-rich Ca, Ti, and Cr isotopes

P. Sarriguren, A. Algora, and G. Kiss
Phys. Rev. C 98, 024311 – Published 17 August 2018

Abstract

β-decay properties of neutron-rich Ca, Ti, and Cr isotopes are studied within a deformed proton-neutron quasiparticle random-phase approximation. The underlying mean field is described self-consistently from deformed Skyrme Hartree-Fock calculations with pairing correlations. Residual spin-isospin interactions in the particle-hole and particle-particle channels are also included in the formalism. The energy distributions of the Gamow-Teller strength, the β-decay feedings, the β-decay half-lives, and the β-delayed neutron emission probabilities are discussed and compared with other theoretical results, as well as with the available experimental information. The evolution of these nuclear β-decay properties is investigated in isotopic chains in a search for structural changes. A reliable estimate of the β-decay properties in this mass region is valuable information for evaluating decay rates in astrophysical scenarios.

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  • Received 8 June 2018
  • Revised 11 July 2018

DOI:https://doi.org/10.1103/PhysRevC.98.024311

©2018 American Physical Society

Physics Subject Headings (PhySH)

  1. Research Areas
  1. Properties
Nuclear Physics

Authors & Affiliations

P. Sarriguren1,*, A. Algora2,3, and G. Kiss3,4

  • 1Instituto de Estructura de la Materia, IEM-CSIC, Serrano 123, E-28006 Madrid, Spain
  • 2Instituto de Física Corpuscular, CSIC–Universitat de Valencia, E-46071 Valencia, Spain
  • 3Institute of Nuclear Research of the Hungarian Academy of Sciences, 4026 Debrecen, Hungary
  • 4RIKEN Nishina Center, Wako Saitama 351-0198, Japan

  • *p.sarriguren@csic.es

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Vol. 98, Iss. 2 — August 2018

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