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

Sarriguren, P. and Algora, Alejandro and Pereira, J. (2014) Gamow-Teller response in deformed even and odd neutron-rich Zr and Mo isotopes. PHYSICAL REVIEW C, 89 (3). ISSN 2469-9985

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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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