Classical impulse approximation for the electron loss from H(1 s ) or H sup minus projectiles passing through various gas targets
- Department of Physics, University of Wisconsin, Madison 53706 (USA)
- IBM Thomas J. Watson Research Center, Yorktown Heights, New York 10598 (USA)
This paper presents calculations of electron-loss cross sections for fast H(1{ital s}) projectiles incident on different atomic targets (He, Ne, Ar, Kr, Xe, H, N, or O) for a broad kinetic-energy range (90 keV/amu to 1.4 GeV/amu), and compares the calculations with experimental measurements where possible. The calculations are based on the semiclassical free-collision model. Theoretical differential cross sections for elastic electron scattering, and theoretical or semiempirical differential cross sections for inelastic electron scattering, are used in making the calculations. The results are in good agreement with experimental data. We apply a simple model based on the H(1{ital s}) results to obtain single- and double-electron-loss cross sections for H{sup {minus}} projectiles incident on the same atomic targets. Again the results are in good agreement with experiment. Further calculations have yielded results for electron loss of H(1{ital s}) incident on molecular H{sub 2}, N{sub 2}, and O{sub 2} targets.
- OSTI ID:
- 5539674
- Journal Information:
- Physical Review, A; (USA), Vol. 43:11; ISSN 1050-2947
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
HYDROGEN
ATOM-ATOM COLLISIONS
ATOM-MOLECULE COLLISIONS
ION-ATOM COLLISIONS
HYDROGEN IONS 1 MINUS
NITROGEN
OXYGEN
RARE GASES
CROSS SECTIONS
IMPULSE APPROXIMATION
RELATIVISTIC RANGE
ANIONS
ATOM COLLISIONS
CHARGED PARTICLES
COLLISIONS
ELEMENTS
ENERGY RANGE
FLUIDS
GASES
HYDROGEN IONS
ION COLLISIONS
IONS
MOLECULE COLLISIONS
NONMETALS
640304* - Atomic
Molecular & Chemical Physics- Collision Phenomena