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

Abstract : 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.
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https://hal-upec-upem.archives-ouvertes.fr/hal-00692892
Contributor : M. Hochlaf <>
Submitted on : Tuesday, May 1, 2012 - 3:58:43 PM
Last modification on : Thursday, March 19, 2020 - 11:52:03 AM

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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. Journal of Chemical Physics, American Institute of Physics, 2010, 132 (1), ⟨10.1063/1.3274648⟩. ⟨hal-00692892⟩

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