Gamow-Teller response in deformed even and odd neutron-rich Zr and Mo isotopes

P. Sarriguren, A. Algora, and J. Pereira
Phys. Rev. C 89, 034311 – Published 17 March 2014

Abstract

β-decay properties of neutron-rich Zr and Mo isotopes are investigated within a microscopic theoretical approach based on the proton-neutron quasiparticle random-phase approximation. The underlying mean field is described self-consistently from deformed Skyrme Hartree-Fock calculations with pairing correlations. Residual separable particle-hole and particle-particle forces are also included in the formalism. The structural evolution in these isotopic chains including both even and odd isotopes is analyzed in terms of the equilibrium deformed shapes. Gamow-Teller strength distributions, β-decay half-lives, and β-delayed neutron-emission probabilities are studied, stressing their relevance to describe the path of the nucleosynthesis rapid neutron capture process.

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  • Received 20 December 2013
  • Revised 17 February 2014

DOI:https://doi.org/10.1103/PhysRevC.89.034311

©2014 American Physical Society

Authors & Affiliations

P. Sarriguren1,*, A. Algora2,3, and J. Pereira4,5

  • 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
  • 4National Superconducting Cyclotron Laboratory, MSU, East Lansing, Michigan 48823, USA
  • 5Joint Institute for Nuclear Astrophysics (JINA), MSU, East Lansing, Michigan 48823, USA

  • *p.sarriguren@csic.es

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Vol. 89, Iss. 3 — March 2014

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