Search for Inelastic Electrons Scattered Off Ions in Energetic Ion-Atom Collisions
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Date
Authors
Zouros, T. J. M.
Liao, C.
Hagmann, S.
Toth, G.
Montenegro, E. C.
Richard, P.
Benis, E. P.
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peer reviewed
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Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms
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Description
The collision of target electrons with ionic projectiles, in highly asymmetric ion-atom collisions, can be simulated within the impulse approximation (IA) by a beam of electrons scattering off the projectile ion, with a collision energy broadened by the momentum distribution (Compton profile) of the target. This description works particularly well for 180 degrees elastic scattering of target electrons off the ion (Phys. Rev. A 41 (1990) 4816 [1]) appearing in the laboratory as the well known binary encounter electron peak. Inelastic processes due to target-electron-projectile-electron interactions (e-e) such as e-e excitation (Phys. Rev. Lett. 62 (1989) 2261 [2]) and e-e ionization (Phys. Rev. Lett. 63 (1990) 1938; J. Phys. B 24 (1991) 977; Phys. Rev. A 46 (1992) 1374; Phys. Rev. Lett. 69 (1992) 3033, 72 (1994) 3170, 72 (1994) 3166 [3-8]) are also well documented. However, for these processes, the target electron undergoing inelastic scattering has never been explicitly identified and measured in ion-atom collisions. A simple theoretical Born-IA treatment gives the expected double differential cross sections and their angular distributions for H-like ions in collision with H-2 targets. The viability of observing these effects in ion-atom collisions by electron spectroscopy is investigated.
Description
Keywords
he targets, h2, h-2
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<Go to ISI>://A1995RD63700091
http://ac.els-cdn.com/0168583X95001492/1-s2.0-0168583X95001492-main.pdf?_tid=8e31f1ba-4de8-11e3-bb55-00000aacb35d&acdnat=1384514876_6a968c571c61e16c4fbb87ed8260b279
http://ac.els-cdn.com/0168583X95001492/1-s2.0-0168583X95001492-main.pdf?_tid=8e31f1ba-4de8-11e3-bb55-00000aacb35d&acdnat=1384514876_6a968c571c61e16c4fbb87ed8260b279
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en
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Πανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιών