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β+ decay At203,205→Po203,205 in the framework of the interacting boson fermion model

Falih H. Al-Khudair and Ashwaq F. Jaafer

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Phys. Rev. C 112, 064322 – Published 17 December, 2025

DOI: https://doi.org/10.1103/5sl3-l1b2

Abstract

The energy states and electromagnetic transitions of even-even Po202−206 and odd-mass Po203,205 and At203,205 isotopes within the framework of the proton-neutron interacting boson model (IBM-2) and its extension (IBFM-2) are calculated. For odd-A nuclei, the 0h9/2,1f7/2,1f5/2,2p3/2,2p1/2 and 0i13/2 single-particle orbits are considered as model space. The obtained results are used to assign spins to some uncertain spin states. The logft values of the allowed β decay are calculated using the model wave function and compared with available experimental values.

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Phys. Rev. C 112, 064322– Published 17 December, 2025
  • Received 18 November 2024
  • Revised 16 July 2025
  • Accepted 3 November 2025
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Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.

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