Abstract

AbstractThe modification of a double‐focusing mass spectrometer of BE geometry (VG‐Analytical ZAB‐2F) to permit the field ionization of fast atoms in high Rydberg states is described. Field ionization was achieved by means of a pair of closely spaced, very fine metal meshes with a (kV) potential difference between them. High Rydberg noble gas atoms were generated from their ions by electron transfer from noble gas targets. Also described is a method, involving a field ionization observation, for measuring the net kinetic energy loss associated with the collision‐induced neutralization‐reionization of polyatomic ions.

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