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Laws governing the interaction of low-energy electrons with massive gaseous absorbers

Laws governing the interaction of low-energy electrons with massive gaseous absorbers LAWS GOVERNING THE INTERACTION OF LOW-ENERGY ELECTRONS WITH MASSIVE GASEOUS ABSORBERS V. E. Ivanov and N. K. Osipov UDC 533.9(201) Laboratory investigations of the characteristics of the transfer of electrons with ini- tial energies of 0.6-4 keV in massive (thick)* targets (AI, Cu, Ge, Au), carried out in [I, 2], showed a considerable difference between the penetration curves for this case and analo- gous curves for free (thin) targets [1-5]. The reasons for this difference lie primarily in the properties of the interactions of low-energy electrons with the material of a massive absorber; for these there is a considerable increase in the probabilities of scattering of electrons through larger angles and large discrete energy losses as a result of single col- lisions. For the case of massive targets, these effects lead to favorable conditions for the formation of intensive beams of backscattered electrons. The presence of such beams shows that in the theoretical analysis of transfer processes in thick absorbers it is inadmissible, in principle, to use approximations for continuous and small losses of energy and scattering through small angles. For these reasons, it is of interest to simulate the process of electron transfer in mas- sive absorbers without http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Applied Mechanics and Technical Physics Springer Journals

Laws governing the interaction of low-energy electrons with massive gaseous absorbers

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References (19)

Publisher
Springer Journals
Copyright
Copyright
Subject
Physics; Classical Mechanics; Fluid- and Aerodynamics; Classical and Continuum Physics; Applications of Mathematics; Mathematical Modeling and Industrial Mathematics; Mechanical Engineering
ISSN
0021-8944
eISSN
1573-8620
DOI
10.1007/BF00911564
Publisher site
See Article on Publisher Site

Abstract

LAWS GOVERNING THE INTERACTION OF LOW-ENERGY ELECTRONS WITH MASSIVE GASEOUS ABSORBERS V. E. Ivanov and N. K. Osipov UDC 533.9(201) Laboratory investigations of the characteristics of the transfer of electrons with ini- tial energies of 0.6-4 keV in massive (thick)* targets (AI, Cu, Ge, Au), carried out in [I, 2], showed a considerable difference between the penetration curves for this case and analo- gous curves for free (thin) targets [1-5]. The reasons for this difference lie primarily in the properties of the interactions of low-energy electrons with the material of a massive absorber; for these there is a considerable increase in the probabilities of scattering of electrons through larger angles and large discrete energy losses as a result of single col- lisions. For the case of massive targets, these effects lead to favorable conditions for the formation of intensive beams of backscattered electrons. The presence of such beams shows that in the theoretical analysis of transfer processes in thick absorbers it is inadmissible, in principle, to use approximations for continuous and small losses of energy and scattering through small angles. For these reasons, it is of interest to simulate the process of electron transfer in mas- sive absorbers without

Journal

Journal of Applied Mechanics and Technical Physics – Springer Journals

Published: Dec 15, 2004

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