Nuclear structure of $^{130}\mathrm{Te}$ from inelastic neutron scattering and shell model analysis

Nuclear structure of ${}^{130}{Te}$ from inelastic neutron scattering and shell model analysis

S. F. Hicks, A. E. Stuchbery, T. H. Churchill, D. Bandyopadhyay, B. R. Champine, B. J. Coombes, C. M. Davoren, J. C. Ellis, W. M. Faulkner, S. R. Lesher, J. M. Mueller, S. Mukhopadhyay, J. N. Orce, M. D. Skubis, J. R. Vanhoy, and S. W. Yates

Phys. Rev. C 105, 024329 – Published 28 February 2022

Abstract

Excited levels of ${}^{130}{Te}$ were studied with the $(n,$ $n^{'} γ)$ reaction. Excitation functions, $γ γ$ coincidences, angular distributions, and Doppler shifts were measured for $γ$ rays from levels up to an excitation energy of 3.3 MeV. Detailed information that includes level lifetimes, multipole-mixing ratios, branching ratios, and electromagnetic transition rates deduced from these measurements is presented. Large-scale shell model calculations performed with all proton and neutron orbitals in the 50–82 shell are compared to these data, with generally good agreement, particularly for the positive-parity states. To investigate emerging collectivity in ${}^{130}{Te}$ , the Kumar-Cline sum rules were used to evaluate rotational invariants from the shell model calculations. Whereas the ground state and first-excited state show the greatest average deformation, as expected, all of the low-lying states are weakly deformed and triaxial.

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Received 6 June 2021
Revised 13 September 2021
Accepted 14 February 2022

DOI:https://doi.org/10.1103/PhysRevC.105.024329

Physics Subject Headings (PhySH)

Electromagnetic transitions Energy levels Lifetimes & widths Nuclear spin & parity Nuclear structure & decays Shell model

Nuclear Physics

Authors & Affiliations

S. F. Hicks ^1,2,*, A. E. Stuchbery ³, T. H. Churchill⁴, D. Bandyopadhyay², B. R. Champine⁴, B. J. Coombes ³, C. M. Davoren¹, J. C. Ellis¹, W. M. Faulkner¹, S. R. Lesher ^2,†, J. M. Mueller ⁴, S. Mukhopadhyay^2,‡, J. N. Orce ^2,§, M. D. Skubis⁴, J. R. Vanhoy ⁴, and S. W. Yates^2,5

¹Department of Physics, University of Dallas, Irving, Texas 75062-4736, USA
²Department of Physics and Astronomy, University of Kentucky, Lexington, Kentucky 40506-0055, USA
³Department of Nuclear Physics, Research School of Physics, The Australian National University, Canberra ACT 2601, Australia
⁴Department of Physics, United States Naval Academy, Annapolis, Maryland 21402-5026, USA
⁵Department of Chemistry, University of Kentucky, Lexington, Kentucky 40506-0055, USA

^*hicks@udallas.edu
^†Present Address: Department of Physics, University of Wisconsin-La Crosse, La Crosse, Wisconsin 54601-3742, USA.
^‡Present Address: Department of Nuclear and Radiological Engineering and Medical Physics, Georgia Institute of Technology, Atlanta, Georgia 30332-0745, USA.
^§Present Address: Department of Physics, University of the Western Cape, P/B X17, Bellville ZA-7535, South Africa.

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Vol. 105, Iss. 2 — February 2022

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Physical Review C

covering nuclear physics

Nuclear structure of ${}^{130}{Te}$ from inelastic neutron scattering and shell model analysis

S. F. Hicks, A. E. Stuchbery, T. H. Churchill, D. Bandyopadhyay, B. R. Champine, B. J. Coombes, C. M. Davoren, J. C. Ellis, W. M. Faulkner, S. R. Lesher, J. M. Mueller, S. Mukhopadhyay, J. N. Orce, M. D. Skubis, J. R. Vanhoy, and S. W. Yates

Phys. Rev. C 105, 024329 – Published 28 February 2022

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Physical Review C

covering nuclear physics

Nuclear structure of Te130 from inelastic neutron scattering and shell model analysis

S. F. Hicks, A. E. Stuchbery, T. H. Churchill, D. Bandyopadhyay, B. R. Champine, B. J. Coombes, C. M. Davoren, J. C. Ellis, W. M. Faulkner, S. R. Lesher, J. M. Mueller, S. Mukhopadhyay, J. N. Orce, M. D. Skubis, J. R. Vanhoy, and S. W. Yates

Phys. Rev. C 105, 024329 – Published 28 February 2022

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Nuclear structure of ${}^{130}{Te}$ from inelastic neutron scattering and shell model analysis