Low Energy States of ${}_{31}^{81}G{a}_{50}$ : Elements on the Doubly-Magic Nature of ${}^{78}$Ni

Abstract

Excited levels were attributed to ${}_{31}^{81}$Ga${}_{50}$ for the first time which were fed in the $\beta$-decay of its mother nucleus ${}^{81}$Zn produced in the fission of ${}^{nat}$U using the ISOL technique. We show that the structure of this nucleus is consistent with that of the less exotic proton-deficient N=50 isotones within the assumption of strong proton Z=28 and neutron N=50 effective shell effects.

4 pages, REVTeX 4, 5 figures (eps format)

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Cited by in corpus (10)

• Observation of new microsecond isomers among fission products of 345 MeV/nucleon 238U
• Evolution of the N=50 shell gap energy towards ${}^{78}$Ni
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• Large scale shell model calculations along Z=28 and N=50 closures: towards the doubly-magic 78Ni
• Neutron spectroscopic factors of Ni isotopes from transfer reactions
• Collectivity at N=50: 82Ge and 84Se
• Benchmarking projected Hartree-Fock as an approximation
• High-spin μs isomeric states in 96Ag
• Fast-timing study of ${}^{81}$Ga from the $\beta$ decay of ${}^{81}$Zn
• Improving the predictive power of empirical shell-model Hamiltonians