Abstract
Current and future coincidence techniques in the study of double and multiple ionization by photon impact are reviewed. New results are presented on the formation of Xe+, Xe2+ and Xe3+ in the region of 4d −1 ionization and the triple ionization mechanism is discussed. The thresholds for Xe2+ and Xe3+ are determined as 33.05±0.3 and 64.1±0.3 eV respectively. Triple ionization of a molecule (OCS) followed by fragmentation into three cations is demonstrated for the first time. The formation and charge separation reactions of several molecular double cations are examined by coincidence techniques: intramolecular isotope effects, rearrangement reactions and slow dissociations are shown to occur in triatomic and other small doubly charged molecular ions.
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Eland, J.H.D., Wort, F.S., Lablanquie, P. et al. Mass spectrometric and coincidence studies of double photoionization of small molecules. Z Phys D - Atoms, Molecules and Clusters 4, 31–42 (1986). https://doi.org/10.1007/BF01432496
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DOI: https://doi.org/10.1007/BF01432496