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Microscopic analysis of structural evolution in the Pt-Hg region

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Microscopic analysis of structural evolution in the Pt-Hg region (EN)
Prassa, Vaia
Karakatsanis, Konstantinos
info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Theoretical (EN)
2022-10-17
The phenomena of shape-phase transitions and shape coexistence in neutron deficient even-even Pt and Hg isotopes are investigated, using a five-dimensional collective Hamiltonian (5DCH) based on covariant density-functional theory. The triaxial deformation energy surfaces in Pt isotopes display a transition from prolate (188Pt) to triaxial or oblate (190-198Pt), and to near spherical (198Pt) shapes. The calculations suggest coexisting configurations in 190Hg, γ-soft potential energy surfaces in 192-198Hg and a more spherical structure in 200Hg. The corresponding 5DCH model calculations confirm the structural evolution in this region and suggest more increased collectivity than what can be deduced from the data. (EN)
Shape transitions (EN)
Collective states (EN)
Hg isotopes (EN)
Covariant density functionals (EN)
Annual Symposium of the Hellenic Nuclear Physics Society
English
Hellenic Nuclear Physics Society (HNPS) (EN)
2654-0088
2654-007X
Annual Symposium of the Hellenic Nuclear Physics Society; Τόμ. 28 (2021); 79-85 (EL)
HNPS Advances in Nuclear Physics; Vol. 28 (2021): HNPS2021; 79-85 (EN)
Πνευματική ιδιοκτησία (c) 2022 Vaia Prassa (EL)
http://creativecommons.org/licenses/by-nc-nd/4.0
Hellenic Nuclear Physics Society
Annual Symposium of the Hellenic Nuclear Physics Society
Oral contributions



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