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AbstractAbstract
[en] This thesis is related to the experimental study of convoy electrons emerging with light ions (H+, H2+, He+ and He++) from 15 μg/cm2 aluminium targets. Ion velocities pertain to the range 4v0 - 8v0. The velocity distributions of electrons obtained with protons have two components centered on the velocity of emerging ions. The large component has properties compatible with charge exchange to the continuum theories. The narrow component behaves very differently and might be indicative of an effect taking into account the polarization wake trailing the ions inside the solide. Results obtained with H2+, He+ and He++ ions are also presented
[fr]
Etude experimentale des electrons convoyes par des ions legers (H+, H2+, He+, He2+) emergeant de cibles d'aluminum de 15 μg/cm2 d'epaisseur. Mise en evidence de deux composantes dans les distributions en vitesse de ces electrons centres sur la vitesse des ions emergents: une composante large compatible avec les theories d'echange de charge au continuum, et une composantes etroite qui pourrait etre associee aux oscillations de la densite electronique du gaz d'electrons dans le solide lors du passage des ions acceleresOriginal Title
Interaction d'ions legers (E approximativement 1 MeV/u) avec des cibles solides minces. Contribution a l'etude des electrons convoyes dans des directions et avec des vitesses voisines de celles des ions emergents
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Source
Mar 1983; 137 p; These (D. es Sc.).
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Miscellaneous
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Thesis/Dissertation
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