Calculations of the Binding-Energy Differences for Highly-Charged Ho and Dy Ions

The binding-energy differences for and ions with ionization degrees , 39, and 40 are calculated. The calculations are performed using the large-scale relativistic configuration-interaction and relativistic coupled-clusters methods. The contributions from quantum-electrodynamics, nuclear-recoil, and...

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Bibliographic Details
Published in:JETP letters 2023-07, Vol.118 (2), p.87-91
Main Authors: Savelyev, I. M., Kaygorodov, M. Y., Kozhedub, Y. S., Tupitsyn, I. I., Shabaev, V. M.
Format: Article
Language:English
Subjects:
Atomic
Beta decay
Binding energy
Biological and Medical Physics
Biophysics
Electrodynamics
Electron capture
Fields
Ions
Mathematical analysis
Molecular
Neutral atoms
Neutrinos
Nuclei
Optical and Plasma Physics
Particle and Nuclear Physics
Particles
Physics
Physics and Astronomy
Q values (nuclear physics)
Quantum Information Technology
Relativistic effects
Solid State Physics
Spintronics
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Summary:The binding-energy differences for and ions with ionization degrees , 39, and 40 are calculated. The calculations are performed using the large-scale relativistic configuration-interaction and relativistic coupled-clusters methods. The contributions from quantum-electrodynamics, nuclear-recoil, and frequency-dependent Breit-interaction effects are taken into account. The final uncertainty does not exceed 1 eV. Combining the obtained results with the binding-energy difference for neutral atoms calculated in [I.M. Savelyev, M.Y. Kaygorodov, Y.S. Kozhedub, I.I. Tupitsyn, and V.M. Shabaev, Phys. Rev. A 105 , 012806 (2022)], we get the secondary differences of the ion–atom binding energies. These values can be used to evaluate the amount of energy released in the electron capture process in atom (the Q value), provided mass differences of highly charged ions and is known from experiment. The Q value is required by experiments on the determination of the absolute scale of the electron neutrino mass by studying the beta-decay process.
ISSN:0021-3640
1090-6487
DOI:10.1134/S0021364023601975