Shell effect in the mean square charge radii and magnetic moments of bismuth isotopes near N=126

A. E. Barzakh, D. V. Fedorov, V. S. Ivanov, P. L. Molkanov, F. V. Moroz, S. Yu. Orlov, V. N. Panteleev, M. D. Seliverstov, and Yu. M. Volkov
Phys. Rev. C 97, 014322 – Published 31 January 2018

Abstract

Isotope shift relative to Bi209 and hyperfine splitting for Bi211,213 have been measured by in-source laser spectroscopy at the 306.77-nm atomic transition. The pronounced shell effect both in radii and magnetic moments in Bi isotopes at N=126 has been observed. The isotopic trend of magnetic moment for 9/2 ground states of even-N Bi isotopes has been qualitatively explained by the change in the first-order core-polarization correction. The possible influence of the octupole degree of freedom on the magnetic moment behavior at N>126 has been discussed.

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  • Received 23 November 2017

DOI:https://doi.org/10.1103/PhysRevC.97.014322

©2018 American Physical Society

Physics Subject Headings (PhySH)

Nuclear Physics

Authors & Affiliations

A. E. Barzakh*, D. V. Fedorov, V. S. Ivanov, P. L. Molkanov, F. V. Moroz, S. Yu. Orlov, V. N. Panteleev, M. D. Seliverstov, and Yu. M. Volkov

  • Petersburg Nuclear Physics Institute (PNPI), NRC Kurchatov Institute, Gatchina 188300, Russia

  • *barzakh@mail.ru

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Vol. 97, Iss. 1 — January 2018

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