Comment on "Spin-trap isomers in deformed, odd-odd nuclei in the light rare-earth region near N = 98"

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Main Authors: Susshma, N., Deepa, S., Sai, K. Vijay, Gowrishankar, R.
Format: Preprint
Published: 2026
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author Susshma, N.
Deepa, S.
Sai, K. Vijay
Gowrishankar, R.
author_facet Susshma, N.
Deepa, S.
Sai, K. Vijay
Gowrishankar, R.
contents Mass spectrometry studies of odd-odd light rare-earth nuclei by Orford et al. [Phys. Rev. C 102, 011303(R) (2020)] suggested the existence of new isomers in the neutron rich isotopes $^{162}$Tb and $^{164}$Tb. More recently, Stryjczyk et al. [Phys. Rev. C 111, 049801 (2025)] commented on the former, citing inconsistencies between the available experimental data and the proposed presence of an isomer in $^{162}$Tb. To further examine the possibility of isomeric states in $^{162,164}$Tb, we employed the well-tested empirical Two Quasiparticle Rotor Model to construct their low-lying level structure. The resulting level schemes support the potential existence of low-lying isomeric states in both isotopes and we propose their corresponding spin-parities, orbital configurations, and excitation energies.
format Preprint
id arxiv_https___arxiv_org_abs_2601_08897
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Comment on "Spin-trap isomers in deformed, odd-odd nuclei in the light rare-earth region near N = 98"
Susshma, N.
Deepa, S.
Sai, K. Vijay
Gowrishankar, R.
Nuclear Theory
Mass spectrometry studies of odd-odd light rare-earth nuclei by Orford et al. [Phys. Rev. C 102, 011303(R) (2020)] suggested the existence of new isomers in the neutron rich isotopes $^{162}$Tb and $^{164}$Tb. More recently, Stryjczyk et al. [Phys. Rev. C 111, 049801 (2025)] commented on the former, citing inconsistencies between the available experimental data and the proposed presence of an isomer in $^{162}$Tb. To further examine the possibility of isomeric states in $^{162,164}$Tb, we employed the well-tested empirical Two Quasiparticle Rotor Model to construct their low-lying level structure. The resulting level schemes support the potential existence of low-lying isomeric states in both isotopes and we propose their corresponding spin-parities, orbital configurations, and excitation energies.
title Comment on "Spin-trap isomers in deformed, odd-odd nuclei in the light rare-earth region near N = 98"
topic Nuclear Theory
url https://arxiv.org/abs/2601.08897