Peculiarities of the generation of Vavilov-Cherenkov radiation induced by a charged particle moving past a dielectric target

We consider Vavilov-Cherenkov radiation occurring as a result of uniform motion of a point charge in vacuum near a finite-size prismatic target with an arbitrary permittivity. The expression derived for the spectral-angular density of radiation contains a center of emission of Vavilov-Cherenkov radi...

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Bibliographic Details
Published in:Journal of experimental and theoretical physics 2014-04, Vol.118 (4), p.501-511
Main Authors: Shevelev, M. V., Konkov, A. S.
Format: Article
Language:English
Subjects:
Atoms
Classical and Quantum Gravitation
Elementary Particles
Molecules
Nuclear radiation
Optics
Particle and Nuclear Physics
Physics
Physics and Astronomy
Quantum Field Theory
Relativity Theory
Solid State Physics
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Summary:We consider Vavilov-Cherenkov radiation occurring as a result of uniform motion of a point charge in vacuum near a finite-size prismatic target with an arbitrary permittivity. The expression derived for the spectral-angular density of radiation contains a center of emission of Vavilov-Cherenkov radiation, which depends on the angle of flight of the point charge relative to the target. The results indicate that the main contribution to the formation of Vavilov-Cherenkov radiation comes from the polarization current occurring at the interface between the media.
ISSN:1063-7761
1090-6509
DOI:10.1134/S1063776114030182