Photoelectron recapture observed via second-step Auger decay

Hentges, Rainer; Müller, Norbert; Viefhaus, Jens; Heinzmann, Ulrich; Becker, Uwe

doi:10.1088/0953-4075/37/13/L03

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Photoelectron recapture observed via second-step Auger decay

Hentges, R., Müller, N., Viefhaus, J., Heinzmann, U., & Becker, U. (2004). Photoelectron recapture observed via second-step Auger decay. Journal of Physics B: Atomic, Molecular and Optical Physics, 37(13), L267-L273. doi:10.1088/0953-4075/37/13/L03.

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Datensatz-Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-0C24-4 Versions-Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-0C25-2

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Urheber:
Hentges, Rainer¹, Autor
Müller, Norbert, Autor
Viefhaus, Jens¹, Autor
Heinzmann, Ulrich, Autor
Becker, Uwe¹, Autor

Affiliations:
1Molecular Physics, Fritz Haber Institute, Max Planck Society, ou_634545

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Zusammenfassung: Electron spectra of second-step Auger decay were taken in small steps in the vicinity of the Ne 1s → np resonances and in the near threshold regime. The spectra reveal that above the K-shell ionization limit energetically forbidden second-step Auger decay has still considerable intensity. We attribute this intensity to a recapture process of the primary photoelectron into unoccupied states and subsequent emission of a valence electron via second-step or cascade Auger decay. It is to our knowledge the first observation of delayed cascade Auger post collision interaction.