Multielectron spectroscopy: Auger decays of the argon 2p hole

Lablanquie, P.; Andric, L.; Palaudoux, J.; Becker, Uwe; Braune, Markus; Viefhaus, Jens; Eland, J. H. D.; Penent, F.

doi:10.1016/j.elspec.2006.11.062

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Multielectron spectroscopy: Auger decays of the argon 2p hole

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Becker, Uwe
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Braune, Markus
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Viefhaus, Jens
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Citation

Lablanquie, P., Andric, L., Palaudoux, J., Becker, U., Braune, M., Viefhaus, J., et al. (2007). Multielectron spectroscopy: Auger decays of the argon 2p hole. Journal of Electron Spectroscopy and Related Phenomena, 156-158, 51-57. doi:10.1016/j.elspec.2006.11.062.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0011-0100-E

Abstract

All the different Auger decay paths of Argon 2p holes have been characterized using a time of flight spectrometer of the magnetic bottle type. All electrons (the photoelectron and up to three Auger electrons) are detected in coincidence and resolved in energy. Double Auger decay is shown to proceed either through a direct process or by intense cascade paths, implying highly excited autoionizing Ar²⁺ states, which are identified as Ar²⁺ 3s⁻² correlation satellites. Triple Auger decay is also observed and estimated to account for 0.2% only of all Auger decay.