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 Pis'ma v Zh. Èksper. Teoret. Fiz., 2013, Volume 98, Issue 10, Pages 665–669 (Mi jetpl3573)

OPTICS AND NUCLEAR PHYSICS

On the role of the surface currents in conducting targets in the formation of the diffraction and transition radiation of relativistic electrons

G. A. Naumenko, A. P. Potylitsyn, M. V. Shevelev, V. V. Soboleva, V. V. Bleko

Tomsk Polytechnic University

Abstract: The surface current method and the pseudophoton method are widely used in the study of the interaction between relativistic electrons and matter. A simple analysis reveals the contradictions between these methods as to the excitation of the currents on the surface of the conducting target. To solve this contradiction, the surface currents on the downstream and upstream surfaces of the conducting target were measured in the geometry of the diffraction radiation. The surface currents were experimentally recorded on the upstream target surface, from which the backward diffraction radiation is generated. At the same time, the surface currents are absent on the downstream target surface, which is conventionally considered as a source of diffraction radiation in the direction of the motion of electrons. Analogous results were obtained in the same geometry in a beam of real photons. On the whole, these results confirm the applicability of the pseudophoton method for the analysis of the effects of the interaction between the field of relativistic photons and the thick (thicker than the skin layer) conducting targets and inapplicability of the surface current method for the radiation in the direction of motion of electrons.

DOI: https://doi.org/10.7868/S0370274X13220037

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English version:
Journal of Experimental and Theoretical Physics Letters, 2013, 98:10, 593–597

Bibliographic databases:

Citation: G. A. Naumenko, A. P. Potylitsyn, M. V. Shevelev, V. V. Soboleva, V. V. Bleko, “On the role of the surface currents in conducting targets in the formation of the diffraction and transition radiation of relativistic electrons”, Pis'ma v Zh. Èksper. Teoret. Fiz., 98:10 (2013), 665–669; JETP Letters, 98:10 (2013), 593–597

Citation in format AMSBIB
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This publication is cited in the following articles:
1. Naumenko G.A. Shevelev M.V. Popov Yu.A., XI International Symposium on Radiation From Relativistic Electrons in Periodic Structures (Rreps2015), Journal of Physics Conference Series, 732, ed. Karataev P. Potylitsyn A. Strikhanov M. Tyukhtin A., IOP Publishing Ltd, 2016, UNSP 012020
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