Letter | Published:

Pre-ionization Phenomena in the Appearance of Some Polyatomic Molecular Ions

Naturevolume 199pages805806 (1963) | Download Citation

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Abstract

IT has been shown elsewhere1–4 how the photo-ionization yield curves of ethylene and of some halogenated derivatives of the ethylene molecule can be interpreted by means of step functions resulting from vibrationally electronically excited states of the molecular ions.

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Affiliations

  1. Centre de Spectrométrie de Masse de l'Université de Liège

    • J. MOMIGNY

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https://doi.org/10.1038/199805a0

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