Microscopic investigation of $γ~$ vibrational band structures in odd-mass nuclei
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arXiv
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| Format: | Preprint |
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2026
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| author | Jahangir, Uzma Rouoof, S. P. Jehangir, S. Bhat, G. H. Sheikh, J. A. Rather, N. A. |
| author_facet | Jahangir, Uzma Rouoof, S. P. Jehangir, S. Bhat, G. H. Sheikh, J. A. Rather, N. A. |
| contents | A systematic investigation of the high-spin band structures observed in $^{103,105,107,109}$Nb and $^{103,105,107,109}$Tc nuclides is performed using the triaxial projected shell model (TPSM) approach. For $^{103,105}$Nb isotopes, four bands have been populated with the lowest three bands corresponding to yrast, $γ$ and 2$γ$ bands. The nature of the fourth observed band has remained unresolved as it has been shown from the transition intensity ratios that this band cannot correspond to the expected 3$γ$ band. It is demonstrated in the present work that this fourth band is the second $γ$ band, resulting from the combination, $K=K_0-2$ with $K_0$ being the "$K$" value of the parent configuration. The excitation energy and other properties of this band structure are predicted for all the studied nuclides. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_07157 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Microscopic investigation of $γ~$ vibrational band structures in odd-mass nuclei Jahangir, Uzma Rouoof, S. P. Jehangir, S. Bhat, G. H. Sheikh, J. A. Rather, N. A. Nuclear Theory A systematic investigation of the high-spin band structures observed in $^{103,105,107,109}$Nb and $^{103,105,107,109}$Tc nuclides is performed using the triaxial projected shell model (TPSM) approach. For $^{103,105}$Nb isotopes, four bands have been populated with the lowest three bands corresponding to yrast, $γ$ and 2$γ$ bands. The nature of the fourth observed band has remained unresolved as it has been shown from the transition intensity ratios that this band cannot correspond to the expected 3$γ$ band. It is demonstrated in the present work that this fourth band is the second $γ$ band, resulting from the combination, $K=K_0-2$ with $K_0$ being the "$K$" value of the parent configuration. The excitation energy and other properties of this band structure are predicted for all the studied nuclides. |
| title | Microscopic investigation of $γ~$ vibrational band structures in odd-mass nuclei |
| topic | Nuclear Theory |
| url | https://arxiv.org/abs/2603.07157 |