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Atoms 2018, 6(3), 39;

Calculation of Francium Hyperfine Anomaly

Petersburg Nuclear Physics Institute of NRC “Kurchatov Institute”, Gatchina, Leningrad District 188300, Russia
Physics Department, Saint Petersburg Electrotechnical University “LETI”, Prof. Popov Str. 5, Saint Petersburg 197376, Russia
Authors to whom correspondence should be addressed.
Received: 14 June 2018 / Revised: 19 July 2018 / Accepted: 20 July 2018 / Published: 24 July 2018
(This article belongs to the Section Atomic, Molecular and Nuclear Spectroscopy and Collisions)
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The Dirac–Hartree–Fock plus many-body perturbation theory (DHF + MBPT) method has been used to calculate hyperfine structure constants for Fr. Calculated hyperfine structure anomaly for hydrogen-like ion is in good agreement with analytical expressions. It has been shown that the ratio of the anomalies for s and p1/2 states is weakly dependent on the principal quantum number. Finally, we estimate Bohr–Weisskopf corrections for several Fr isotopes. Our results may be used to improve experimental accuracy for the nuclear g factors of short-lived isotopes. View Full-Text
Keywords: hyperfine anomaly; hyperfine structure; nuclear charge distribution; Bohr–Weisskopf effect hyperfine anomaly; hyperfine structure; nuclear charge distribution; Bohr–Weisskopf effect

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Konovalova, E.A.; Demidov, Y.A.; Kozlov, M.G.; Barzakh, A.E. Calculation of Francium Hyperfine Anomaly. Atoms 2018, 6, 39.

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