Abstract
The processes of scattering of protons and relativistic electrons incident on a planar target at a small angle to its surface have been simulated by the Monte Carlo method. The spatial and energy distributions of the beams of particles both passed through the target and reflected from it have been calculated. The dependence of the characteristics of beams on the initial energy and direction of injection of particles, as well as on the material and thickness of the target, has been considered. The transmission, reflection, and absorption coefficients for electrons in the target have been calculated. The initial energy in the calculations is varied in the range of 7–100 MeV and the angle between the trajectory of particles and the surface of the target is in the range of 1°–45°. The thickness of the target varies from 0.2 to 3 mm. Aluminum, iron, and copper targets have been considered. It has been shown that the intersection of targets at small angles not only increases the transverse dimensions of a beam, but also changes the direction of its motion. The results of the reported calculations of the scattering of relativistic electrons intersecting a foil at small angles to its surface are in qualitative agreement with experimental data.
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Original Russian Text © V.V. Polyanskii, A.V. Kol’tsov, A.V. Serov, 2014, published in Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2014, Vol. 146, No. 2, pp. 240–245.
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Polyanskii, V.V., Kol’tsov, A.V. & Serov, A.V. Features of the scattering of protons and relativistic electrons intersecting a thin planar target at a small angle to its surface. J. Exp. Theor. Phys. 119, 206–210 (2014). https://doi.org/10.1134/S1063776114080135
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DOI: https://doi.org/10.1134/S1063776114080135