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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2509.01491 |
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| _version_ | 1866908518884311040 |
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| author | Petrache, C. M. Ragnarsson, I. |
| author_facet | Petrache, C. M. Ragnarsson, I. |
| contents | The cranked Nilsson-Strutinsky formalism is employed to investigate the band structure of $^{115}$I from low to high spin. A set of eight rotational bands with well established spins and parities are analyzed. Five bands start at low spin and are assigned to the single-particle proton orbitals ($d_{5/2}$, $g_{7/2}$), $g_{9/2}$, and $h_{11/2}$, which are close to the Z=53 Fermi surface for a deformation of $\varepsilon_2=0.2$. The analysis of the observed level energies relative to a rotating liquid drop and spins versus $γ$-ray energies allow to track the evolution of the configurations with increasing spin. It is of special interest that one band in the valence space is observed to a smooth termination at $I_{max} = 67/2^+$. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_01491 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Smooth band termination in $^{115}$I Petrache, C. M. Ragnarsson, I. Nuclear Theory The cranked Nilsson-Strutinsky formalism is employed to investigate the band structure of $^{115}$I from low to high spin. A set of eight rotational bands with well established spins and parities are analyzed. Five bands start at low spin and are assigned to the single-particle proton orbitals ($d_{5/2}$, $g_{7/2}$), $g_{9/2}$, and $h_{11/2}$, which are close to the Z=53 Fermi surface for a deformation of $\varepsilon_2=0.2$. The analysis of the observed level energies relative to a rotating liquid drop and spins versus $γ$-ray energies allow to track the evolution of the configurations with increasing spin. It is of special interest that one band in the valence space is observed to a smooth termination at $I_{max} = 67/2^+$. |
| title | Smooth band termination in $^{115}$I |
| topic | Nuclear Theory |
| url | https://arxiv.org/abs/2509.01491 |