Abstract
Collision-induced mass-analyzed ion kinetic energy (CI/MIKE) spectrometry has been used to study the collisions of 4 keV Ar +· ions with N 2 molecules. The collision-gas pressure dependence of several peaks in the CI/MIKE spectrum has been recorded. The pressure dependence of each peak has been successfully analyzed using a probability theory for collisional activation. The relative efficiencies for producing Ar +· ions in several electronic states by electron ionization have been determined from the intensities of peaks in the CI/MIKE spectrum over the electron energy range 20–100 eV. The effect of multiple collisions is also discussed.
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More From: International Journal of Mass Spectrometry and Ion Processes
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