Auger decay of the 3<em>d</em> hole in the isoelectronic series of Br, Kr⁺, and Rb2⁺
Keskinen, J.; Jänkälä, K.; Aho, S.-M.; Kaneyasu, T.; Hikosaka, Y.; Shigemasa, E.; Iwayama, H.; Soejima, K.; Ito, K.; Andric, L.; Khalal, M. A.; Palaudoux, J.; Penent, F.; Lablanquie, P. (2021-03-22)
Keskinen, J., Jänkälä, K., Huttula, S.-M., Kaneyasu, T., Hikosaka, Y., Shigemasa, E., Iwayama, H., Soejima, K., Ito, K., Andric, L., Khalal, M. A., Palaudoux, J., Penent, F., & Lablanquie, P. (2021). Auger decay of the 3d hole in the isoelectronic series of Br, Kr+, and Rb2+. Physical Review A, 103(3). https://doi.org/10.1103/physreva.103.032828
© 2021 American Physical Society.
https://rightsstatements.org/vocab/InC/1.0/
https://urn.fi/URN:NBN:fi-fe2021090245035
Tiivistelmä
Abstract
The Auger decay process of the 3d5/2 hole is studied experimentally and theoretically along the isoelectronic Br, Kr⁺, and Rb2⁺ series with electron configuration [Ar] 3d⁹4s²4p⁶. The experimental results consist of multielectron coincidence data measured from all three elements and conventional high-resolution Auger spectrum for the Br case. Theoretical interpretation was done by using multiconfiguration Dirac-Fock calculations. It is found that the decay rate of two-Auger-electron emission increases along the series in the direction of decreasing nuclear charge. Also, complexity of the Auger spectrum follows the same trend, requiring a drastic increase to the size of the configuration space for describing the observed spectra.
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