Microscopic description of cluster radioactivity fission valleys along isotopic and isotonic chains
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| Auteurs principaux: | , , |
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| Format: | Preprint |
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2026
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| _version_ | 1866910070020767744 |
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| author | Warda, M. Zdeb, A. Rodríguez-Guzmán, R. |
| author_facet | Warda, M. Zdeb, A. Rodríguez-Guzmán, R. |
| contents | Cluster radioactivity has been successfully described as a super-asymmetric fission mode within the microscopic self-consistent Gogny Hartree-Fock-Bogoliubov approximation [Phys. Rev. C 84, 044608 (2011)]. For nuclei preserving the neutron-to-proton $N/Z$ ratio of the doubly magic $^{208}$Pb, a cluster radioactivity fission valley has been identified. Such a valley can also be found both in actinides and super-heavy nuclei. In this paper, chains of isotopes and isotones are examined to determine the limits of existence of the cluster radioactivity fission mode. It is shown that the super-asymmetric valley can be found in a wide range of the nuclear chart. Nevertheless, the valley flattens more and more when diverging from the isospin asymmetry of $^{208}$Pb. For neutron-deficient nuclei with $N/Z <$ 1.41, it is found that the valley diminishes before reaching the scission point, and cluster radioactivity can not be observed. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_03519 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Microscopic description of cluster radioactivity fission valleys along isotopic and isotonic chains Warda, M. Zdeb, A. Rodríguez-Guzmán, R. Nuclear Theory Cluster radioactivity has been successfully described as a super-asymmetric fission mode within the microscopic self-consistent Gogny Hartree-Fock-Bogoliubov approximation [Phys. Rev. C 84, 044608 (2011)]. For nuclei preserving the neutron-to-proton $N/Z$ ratio of the doubly magic $^{208}$Pb, a cluster radioactivity fission valley has been identified. Such a valley can also be found both in actinides and super-heavy nuclei. In this paper, chains of isotopes and isotones are examined to determine the limits of existence of the cluster radioactivity fission mode. It is shown that the super-asymmetric valley can be found in a wide range of the nuclear chart. Nevertheless, the valley flattens more and more when diverging from the isospin asymmetry of $^{208}$Pb. For neutron-deficient nuclei with $N/Z <$ 1.41, it is found that the valley diminishes before reaching the scission point, and cluster radioactivity can not be observed. |
| title | Microscopic description of cluster radioactivity fission valleys along isotopic and isotonic chains |
| topic | Nuclear Theory |
| url | https://arxiv.org/abs/2603.03519 |