Final ion yields upon the cascade decay of single K, L, M, and N vacancies in atomic silver

Chaynikov, A.P.; Kochur, A.G.; Dudenko, A.I.; Yavna, V.A.

Авторы: Chaynikov A.P., Kochur A.G., Dudenko A.I., Yavna V.A.
Журнал: Physica Scripta
Том: 98
Номер: 9
Год издания: 2023
Издательство: Royal Swedish Academy of Sciences
Местоположение издательства: Sweden
Первая страница: 095402
DOI: 10.1088/1402-4896/aceaee
Аннотация: Final ion yields and mean final ion charges upon the cascade decay of single vacancies in the K, L, M, and N shells of atomic silver are calculated using the method of construction and analysis of the decay trees with accounting for the shake-offs caused by the change of atomic core potential due to cascade transitions. The shake-off effect on the final ion yields is found to be comparatively small, the largest increase of the mean final ion charge being 0.20e in the case of initial 2s vacancy. Total semi-relativistic Pauli–Fock energies of cascade-produced ionic configurations were used to calculate cascade transition energies, which made it possible to accurately account for the closing of some non-radiative transitions in multivacancy cascade configurations. For the transitions with overlapping multiplets of initial and final ionic configurations, only energetically allowed transitions between the multiplet components were counted when calculating mean transition energies and transitions branching ratios. Comparison of calculated charge spectra with those reported earlier by other authors demonstrated crucial importance of accurate calculation of transition energies and accounting for multiplet splitting in simulation of cascades in heavy atoms.
Добавил в систему: Чайников Александр Павлович

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Final ion yields upon the cascade decay of single K, L, M, and N vacancies in atomic silverстатья