Full Self-Consistent Study of Isobaric Analog Resonances
| Autor: | S. V. Tolokonnikov, Ivan Borzov |
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| Rok vydání: | 2020 |
| Předmět: |
Physics
Nuclear and High Energy Physics 010308 nuclear & particles physics Nuclear Theory Binding energy Self consistent 01 natural sciences Atomic and Molecular Physics and Optics Pairing 0103 physical sciences Coulomb Isobaric process Neutron Mirror nuclei Atomic physics Nuclear Experiment 010306 general physics Random phase approximation |
| Zdroj: | Physics of Atomic Nuclei. 83:567-572 |
| ISSN: | 1562-692X 1063-7788 |
| DOI: | 10.1134/s1063778820040079 |
| Popis: | Fully self-consistent framework for isobaric-analog resonances is presented. The chains of parent neutron-rich Ca, Ni, Sn nuclei around the neutron shells at $$N=20$$ , $$28$$ , $$34$$ , $$50$$ , $$82$$ , as well as the nuclei on the neutron-deficient side of these chains are treated in the Density Functional plus Continuum Quasi particle Random Phase Approximation (DF $$+$$ CQRPA). The recently established new Fayans functional DF3-f is applied for calculations in long isotopic chains including non-magic nuclei with pairing in both neutron and proton sectors. A comparison with the relativistic QRPA and SAMi $$+$$ RPA shows a robust performance and flexibility of the DF $$+$$ CQRPA. Constraining the strength of exchange Coulomb contribution from the binding energy splitting of the doublets and triplets of the mirror nuclei allows for better description of the IAR energies. |
| Databáze: | OpenAIRE |
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