Electron-Electron Interactions in Ion-Atom Collisions Studied by Energy-Loss Spectroscopy
We have performed a series of experiments on the University of Missouri-Rolla ion energy-loss spectrometer to study the role of electron-electron interactions in ion-atom collisions. In one experiment we have taken energy-loss spectra for 50 keV protons colliding with He. From the data we obtained cross sections for double excitation of the target atom. In a second experiment we measured coincidences between neutralized projectiles and target recoil ions in p + He collisions at projectile energies of 50 and 100 keV. From these data we obtained the ratio of transfer ionization to single capture as a function of the projectile scattering angle. In a preliminary experiment we also used this coincidence technique for projectiles which did not undergo charge exchange and which were energy analyzed to study single and double ionization.
M. Schulz et al., "Electron-Electron Interactions in Ion-Atom Collisions Studied by Energy-Loss Spectroscopy," Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, vol. 79, no. 1-4, pp. 55-58, Elsevier, Jun 1993.
The definitive version is available at https://doi.org/10.1016/0168-583X(93)95284-C
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