Effects of shape coexistence and configuration mixing on low-lying states in tellurium isotopes
Fuente:
arXiv
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| Formato: | Preprint |
| Publicado: |
2026
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| _version_ | 1866918380831768576 |
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| author | Nomura, Kosuke |
| author_facet | Nomura, Kosuke |
| contents | Low-energy quadrupole collective states in even-even tellurium (Te) isotopes are studied using the interacting boson model with configuration mixing. The corresponding Hamiltonian is determined by means of the microscopic nuclear structure calculations within the self-consistent mean-field method employing a given energy density functional and pairing interaction. Calculated low-energy levels for nonyrast states show a parabolic behavior characteristic of the shape-coexisting structure. The intruder prolate-shape configuration is shown to mix strongly with the normal oblate-shape configuration, and play an important role in determining the low-lying structure in the Te isotopes near the middle of the neutron major shell closures. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_09227 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Effects of shape coexistence and configuration mixing on low-lying states in tellurium isotopes Nomura, Kosuke Nuclear Theory Nuclear Experiment Low-energy quadrupole collective states in even-even tellurium (Te) isotopes are studied using the interacting boson model with configuration mixing. The corresponding Hamiltonian is determined by means of the microscopic nuclear structure calculations within the self-consistent mean-field method employing a given energy density functional and pairing interaction. Calculated low-energy levels for nonyrast states show a parabolic behavior characteristic of the shape-coexisting structure. The intruder prolate-shape configuration is shown to mix strongly with the normal oblate-shape configuration, and play an important role in determining the low-lying structure in the Te isotopes near the middle of the neutron major shell closures. |
| title | Effects of shape coexistence and configuration mixing on low-lying states in tellurium isotopes |
| topic | Nuclear Theory Nuclear Experiment |
| url | https://arxiv.org/abs/2603.09227 |