Journal
NUOVO CIMENTO C-COLLOQUIA AND COMMUNICATIONS IN PHYSICS
Volume 45, Issue 3, Pages -Publisher
SOC ITALIANA FISICA
DOI: 10.1393/ncc/i2022-22059-x
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Funding
- QuantiXLie Centre of Excellence
- European Union through the European Regional Development Fund -the Competitiveness and Cohesion Operational Programme [KK.01.1.1.01.0004]
- Croatian Science Foundation under the project Uncertainty quantification within the nuclear energy density framework [IP-2018-015987]
- NSFC [12005107, 11790325]
- Croatian Government
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In this study, half-lives calculations for alpha decay of Po-212 and Ra-224 were performed using a microscopic self-consistent framework. The results showed good agreement with experimental values. Additionally, a new decay mode consisting of symmetric 2 alpha emission was predicted.
Half-lives calculations for alpha decay of Po-212 and Ra-224 are performedusing microscopic self-consistent framework. Calculations are performed using thecovariant energy density functional theory within Hartree-Bogoliubov approxima-tion, where a separable pairing interaction of finite range is used. The potentialenergy surface is computed as a function of quadrupole, octupole and hexadecupolecollective coordinates and the determination of the dynamical least-action path isperformed using the cranking adiabatic time-dependent Hartree Bogoliubov approx-imation. The predicted half-lives for alpha decay of Po-212 and Ra-224 are in good agree-ment with experimental values. In addition, a new decay mode consisting of sym-metric, back to back, 2 alpha emission is predicted with half-lives of the order of thoseobserved for cluster emission
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