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arXiv · 2110.11782

Multiple-ionization energy difference of 163Ho and 163Dy atoms

I. M. Savelyev·M. Y. Kaygorodov·Y. S. Kozhedub·I. I. Tupitsyn·V. M. Shabaev
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Abstract

The multiple-ionization energy difference of 163Ho and 163Dy atoms is evaluated for the ionization degree q = 30, 48, 56. The calculations are performed by means of the large-scale relativistic configuration interaction method combined with the many-body perturbation theory. The quantum electrodynamics, nuclear recoil, and frequency-dependent Breit interaction corrections are taken into account. The obtained theoretical values are within 1 eV uncertainty. These results can help to increase accuracy of the laboratory neutrino mass limit, provided they are accompanied by the corresponding experiment on electron capture in Ho and a precise measurement of the ion mass difference.

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I. M. Savelyev, M. Y. Kaygorodov, Y. S. Kozhedub, I. I. Tupitsyn, V. M. Shabaev. 2021-10-22. Multiple-ionization energy difference of 163Ho and 163Dy atoms. https://doi.org/10.1103/physreva.105.012806

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