Triple ionization spectra by coincidence measurements of double Auger decay: The case of OCS - Archive ouverte HAL
Article Dans Une Revue The Journal of Chemical Physics Année : 2010

Triple ionization spectra by coincidence measurements of double Auger decay: The case of OCS

J. H. D. Eland
  • Fonction : Auteur
P. Linusson
  • Fonction : Auteur
E. Andersson
  • Fonction : Auteur
L. Hedin
  • Fonction : Auteur
R. Feifel

Résumé

By combining multiple electron coincidence detection with ionization by synchrotron radiation, we have obtained resolved spectra of the OCS(3+) ion created through the double Auger effect. The form of the spectra depends critically on the identity of the atom bearing the initial hole. High and intermediate level electron structure calculations lead to an assignment of the resolved spectrum from ionization via the S 2p hole. From the analysis it appears that the double Auger effect from closed shell molecules favors formation of doublet states over quartet states. Molecular field effects in the double Auger effect are similar to those in the single Auger effect in linear molecules.

Dates et versions

hal-00692892 , version 1 (01-05-2012)

Identifiants

Citer

J. H. D. Eland, M. Hochlaf, P. Linusson, E. Andersson, L. Hedin, et al.. Triple ionization spectra by coincidence measurements of double Auger decay: The case of OCS. The Journal of Chemical Physics, 2010, 132 (1), ⟨10.1063/1.3274648⟩. ⟨hal-00692892⟩
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