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Influence of atomic modeling on electron capture and shaking processes
- Source :
- Physical Review A 109, 032826 (2024)
- Publication Year :
- 2021
-
Abstract
- Ongoing experimental efforts to measure with unprecedented precision electron-capture probabilities challenges the current theoretical models. The short range of the weak interaction necessitates an accurate description of the atomic structure down to the nucleus region. A recent electron-capture modeling has been modified in order to test the influence of three different atomic descriptions on the decay and shaking probabilities. To this end, a specific atomic modeling was developed in the framework of the relativistic density-functional theory, exploring several exchange-correlation functionals and self-interaction-corrected models. It was found that the probabilities of total shaking, tested on both photoionization and electron-capture processes, depend strongly on the accuracy of the atomic modeling. Predictions of capture probabilities have been compared with experimental values evaluated from available published data for different radionuclides from $^{7}$Be to $^{138}$La. New high-precision measurements are strongly encouraged because the accuracy of the current experimental values is insufficient to test the models beyond the inner shells.<br />Comment: 36 pages, 7 figures and 3 tables
- Subjects :
- Physics - Atomic Physics
Subjects
Details
- Database :
- arXiv
- Journal :
- Physical Review A 109, 032826 (2024)
- Publication Type :
- Report
- Accession number :
- edsarx.2111.15321
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1103/PhysRevA.109.032826