Structure of 128,129,130Xe through multi-reference energy density functional calculations
Recently, values for the Kumar quadrupole deformation parameters of the nucleus 130Xe have been computed from the results of a Coulomb excitation experiment, indicating that this xenon isotope has a prominent triaxial ground state. Within a different context, it was recently argued that the analysis...
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| Hauptverfasser: | , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
29 September 2022
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| In: |
The European physical journal. A, Hadrons and nuclei
Year: 2022, Jahrgang: 58, Heft: 9, Pages: 1-24 |
| ISSN: | 1434-601X |
| DOI: | 10.1140/epja/s10050-022-00833-4 |
| Online-Zugang: | Resolving-System, lizenzpflichtig, Volltext: https://doi.org/10.1140/epja/s10050-022-00833-4 Verlag, lizenzpflichtig, Volltext: https://link.springer.com/article/10.1140/epja/s10050-022-00833-4 
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| Verfasserangaben: | Benjamin Bally, Giuliano Giacalone, Michael Bender |
MARC
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| 245 | 1 | 0 | |a Structure of 128,129,130Xe through multi-reference energy density functional calculations |c Benjamin Bally, Giuliano Giacalone, Michael Bender |
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| 500 | |a Gesehen am 10.01.2023 | ||
| 520 | |a Recently, values for the Kumar quadrupole deformation parameters of the nucleus 130Xe have been computed from the results of a Coulomb excitation experiment, indicating that this xenon isotope has a prominent triaxial ground state. Within a different context, it was recently argued that the analysis of particle correlations in the final states of ultra-relativistic heavy-ion collisions performed at the Large Hadron Collider (LHC) points to a similar structure for the adjacent isotope, 129Xe. In the present work, we report on state-of-the-art multi-reference energy density functional calculations that combine projection on proton and neutron number as well as angular momentum with shape mixing for the three isotopes 128,129,130Xe using the Skyrme-type pseudo-potential SLyMR1. Exploring the triaxial degree of freedom, we demonstrate that the ground states of all three isotopes display a very pronounced triaxial structure. Moreover, comparison with experimental results shows that the calculations reproduce fairly well the low-energy excitation spectrum of the two even-mass isotopes. By contrast, the calculation of 129Xe reveals some deficiencies of the effective interaction. | ||
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