Backscattering of Relativistic Electrons Incident on a Planar Foil at a Small Angle to Its Surface
Journal Article
·
· Journal of Experimental and Theoretical Physics
- Russian Academy of Sciences, Lebedev Physical Institute (Russian Federation)
Photographs of cross sections of an electron beam backscattered from a thin tungsten target have been obtained on a dosimetric film. The procession of images makes it possible to obtain the spatial distribution of backscattered particles. The angles of back reflection θ{sub br} of electron beams from foils have been measured. A 7.4-MeV microtron has been used as a source of electrons. The experiments have been performed with a tungsten foil 386 mg/cm{sup 2} (200 μm) thick and a tantalum foil 1328 mg/cm{sup 2} (800 μm) thick. Particles have been injected at an angle of α = 10° to the foil surface. The Monte Carlo simulation of the scattering of relativistic electrons incident on a planar target at small angles to its surface has been performed. The spatial and energy distributions of backscattered particle fluxes both transmitted through the target and reflected from it have been calculated. The dependences of fluxes on the direction of injection of particles and on the material and thickness of the target have been considered.
- OSTI ID:
- 22749904
- Journal Information:
- Journal of Experimental and Theoretical Physics, Journal Name: Journal of Experimental and Theoretical Physics Journal Issue: 4 Vol. 126; ISSN JTPHES; ISSN 1063-7761
- Country of Publication:
- United States
- Language:
- English
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