Isobaric resonances, beta decay and delayed multineutron emission in very neutron-rich nuclei
Abstract
The isobaric-analog resonancesfor nuclei around the neutron shell closures at N = 20, 50, 82 are treated in thefullyself-consistentDensityFunctionalplusContinuumQuasiparticleRandomPhaseApproximation (DF+CQRPA).The aim is to check how the self-consistency is preserved in the calculations for long isotopic chains. The beta-decay half-lives and delayed multi-neutron emission branchingare calculated for the reference Ni isotopic chain. The relative contributions of the GT and first-forbidden transitions are compared with that of the relativistic QRPA and Finite Amplitude Method. The accuracy of the global beta decay calculations performed within FRDM+RPA, DF+CQRPA and RHB+QRPA models are analysed.
About the Authors
I. N. Borzov
National Research Centre Kurchatov Institute
Russian Federation
Russian Federation
S. V. Tolokonnikov
National Research Centre Kurchatov Institute
Russian Federation
Russian Federation
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Review
For citations:
Borzov I.N., Tolokonnikov S.V. Isobaric resonances, beta decay and delayed multineutron emission in very neutron-rich nuclei. Eurasian Journal of Physics and Functional Materials. 2019;3(2):116-123. https://doi.org/10.29317/ejpfm.2019030201
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