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18 March 2025

» arxiv » 0708.0101

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Radiative and interelectronic-interaction corrections to the hyperfine splitting in highly charged B-like ions
N. S. Oreshkina ; D. A. Glazov ; A. V. Volotka ; V. M. Shabaev ; I. I. Tupitsyn ; G. Plunien ;
Date:	1 Aug 2007
Abstract:	The ground-state hyperfine splitting values of high-Z boronlike ions are calculated. Calculation of the interelectronic-interaction contribution is based on a combination of the 1/Z perturbation theory and the large-scale configuration-interaction Dirac-Fock-Sturm method. The screened QED corrections are evaluated utilizing an effective screening potential approach. Total hyperfine splitting energies are presented for several B-like ions of particular interest: {}^{45}Sc{}^{16+}, {}^{57}Fe{}^{21+}, {}^{207}Pb{}^{77+}, and {}^{209}Bi{}^{78+}. For lead and bismuth the experimental values of the 1s hyperfine splitting are employed to improve significantly the theoretical results by reducing the uncertainty due to the nuclear effects.
Source:	arXiv, 0708.0101
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