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Excited states and staggering in \( \varvec{\gamma } \)-vibrational band built on the \( \mathbf {11/2^{-}[505]} \) orbital of \(\mathbf {^{~165}}\)Er

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Abstract

An extented Bohr Hamiltonian, by considering the Deformation-Dependent Mass Formalism with three different mass parameters one for each collective mode, is used to investigate the bands structure of the \(^{165}\)Er nucleus. By taking into account the Coriolis interaction, the staggering of \( \gamma \) band energy levels built on the \( 11/2^{-}[505] \) orbital obtained within this theoretical approach has a similar behavior to that observed from experiment. E2 transition probabilities are also predicted for a future experimental test.

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Data Availability Statement

This manuscript has no associated data or the data will not be deposited. [Author’s comment: This is a theoretical study and no experimental data has been listed.]

Change history

  • 13 February 2022

    The original online version of this article was revised: The metadata details of author A. Ait Ben Hammou have been corrected.

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Authors and Affiliations

  1. High Energy Physics and Astrophysics Laboratory, Department of Physics, Faculty of Sciences Semlalia, Cadi Ayyad University, P.O.B 2390, Marrakesh, 40000, Morocco

    A. Ait Ben Hammou & M. Oulne

Authors
  1. A. Ait Ben Hammou
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  2. M. Oulne
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Corresponding author

Correspondence to M. Oulne.

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Communicated by Dario Vretenar

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Ait Ben Hammou, A., Oulne, M. Excited states and staggering in \( \varvec{\gamma } \)-vibrational band built on the \( \mathbf {11/2^{-}[505]} \) orbital of \(\mathbf {^{~165}}\)Er. Eur. Phys. J. A 58, 19 (2022). https://doi.org/10.1140/epja/s10050-022-00675-0

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  • DOI: https://doi.org/10.1140/epja/s10050-022-00675-0

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