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Title: Radiation of a charge flying in a partially loaded dielectric section of a waveguide

Abstract

We consider the electromagnetic field of a point charged particle moving along the axis of a cylindrical waveguide from a homogeneously filled area to a dielectric loading area having an axially symmetrical channel. We are interested in studying the Cherenkov radiation excited in the bilayer area. The solution is performed by expanding the field in each area in a series of orthogonal eigenmodes. The main attention is focused on investigation of the wave field in the bilayer section. We show that, at a given observation point, the "reduced wakefield" is simplified with time (the number of modes decreases). The obtained results are generalized for the case of a bunch with Gaussian longitudinal profile. The typical numerical results for wakefield formation process are presented. These results agree with simulations done by the industry standard electromagnetic code CST Particle Studio.

Authors:
; ; ; ;
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
Russian Foundation for Basic Research
OSTI Identifier:
1489529
DOE Contract Number:  
AC02-06CH11357
Resource Type:
Journal Article
Journal Name:
Physical Review Accelerators and Beams
Additional Journal Information:
Journal Volume: 21; Journal Issue: 3; Journal ID: ISSN 2469-9888
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English

Citation Formats

Grigoreva, Aleksandra A., Tyukhtin, Andrey V., Vorobev, Viktor V., Galyamin, Sergey N., and Antipov, Sergey. Radiation of a charge flying in a partially loaded dielectric section of a waveguide. United States: N. p., 2018. Web. doi:10.1103/PhysRevAccelBeams.21.031302.
Grigoreva, Aleksandra A., Tyukhtin, Andrey V., Vorobev, Viktor V., Galyamin, Sergey N., & Antipov, Sergey. Radiation of a charge flying in a partially loaded dielectric section of a waveguide. United States. doi:10.1103/PhysRevAccelBeams.21.031302.
Grigoreva, Aleksandra A., Tyukhtin, Andrey V., Vorobev, Viktor V., Galyamin, Sergey N., and Antipov, Sergey. Thu . "Radiation of a charge flying in a partially loaded dielectric section of a waveguide". United States. doi:10.1103/PhysRevAccelBeams.21.031302.
@article{osti_1489529,
title = {Radiation of a charge flying in a partially loaded dielectric section of a waveguide},
author = {Grigoreva, Aleksandra A. and Tyukhtin, Andrey V. and Vorobev, Viktor V. and Galyamin, Sergey N. and Antipov, Sergey},
abstractNote = {We consider the electromagnetic field of a point charged particle moving along the axis of a cylindrical waveguide from a homogeneously filled area to a dielectric loading area having an axially symmetrical channel. We are interested in studying the Cherenkov radiation excited in the bilayer area. The solution is performed by expanding the field in each area in a series of orthogonal eigenmodes. The main attention is focused on investigation of the wave field in the bilayer section. We show that, at a given observation point, the "reduced wakefield" is simplified with time (the number of modes decreases). The obtained results are generalized for the case of a bunch with Gaussian longitudinal profile. The typical numerical results for wakefield formation process are presented. These results agree with simulations done by the industry standard electromagnetic code CST Particle Studio.},
doi = {10.1103/PhysRevAccelBeams.21.031302},
journal = {Physical Review Accelerators and Beams},
issn = {2469-9888},
number = 3,
volume = 21,
place = {United States},
year = {2018},
month = {3}
}

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Cherenkov-transition radiation in a waveguide partly filled with a resonance dispersion medium
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Radiation of a Charge Intersecting a Boundary Between a Bilayer Area and a Homogeneous One in a Circular Waveguide
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