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Modelling hyperfine interactions for nuclear g-factor measurements

Abstract : A promising technique for g-factor measurements on short-lived nuclear states utilises the hyperfine fields of free ions in vacuum. To fully utilise this technique the hyperfine interaction must be modelled based on atomic structure calculations. Atomic structure calculations were performed using the most recent release of the General Relativistic Atomic Structure Package, and Monte-Carlo simulations of atomic-decay cascades in highly charged ions were developed. The simulations were used to fit experimental data on excited 56Fe ions recoiling in vacuum with a view to determining the first-excited state g factor, g(21+), of 56Fe.
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Submitted on : Monday, November 16, 2020 - 6:55:52 PM
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B.P. Mccormick, A.E. Stuchbery, A. Goasduff, A. Kusoglu, G. Georgiev. Modelling hyperfine interactions for nuclear g-factor measurements. Heavy Ion Accelerator Symposium on Fundamental and Applied Science 2019, Sep 2019, Canberra, Australia. pp.04009, ⟨10.1051/epjconf/202023204009⟩. ⟨hal-02542910⟩



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