Very short-range wakefields in strongly tapered disk-loaded waveguide structures

Very short-range wakefields in strongly tapered disk-loaded waveguide structures

Very short-range wakefields in strongly tapered disk-loaded waveguide structures are investigated in the regime where the so-called “catch-up” distance is much larger than the length of the tapered structure. It is shown that in this case the very short-range wakefields are not being an average over...

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Main Author: A. Grudiev
Format: Article
Language:English
Published: American Physical Society 2012-12-01
Series:Physical Review Special Topics. Accelerators and Beams
Online Access:http://doi.org/10.1103/PhysRevSTAB.15.121001
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spelling doaj-b1f996fc26d84989aca77d03e066dc732020-11-25T02:46:54ZengAmerican Physical SocietyPhysical Review Special Topics. Accelerators and Beams1098-44022012-12-01151212100110.1103/PhysRevSTAB.15.121001Very short-range wakefields in strongly tapered disk-loaded waveguide structuresA. GrudievVery short-range wakefields in strongly tapered disk-loaded waveguide structures are investigated in the regime where the so-called “catch-up” distance is much larger than the length of the tapered structure. It is shown that in this case the very short-range wakefields are not being an average over all irises of the tapered structure; instead they are dominated by the irises with the smallest aperture radius. A new analytical model for short-range wakefield calculation in this regime is proposed. The results of the analytical model and numerical simulations are compared for the case of X-band accelerating structures.http://doi.org/10.1103/PhysRevSTAB.15.121001
collection DOAJ
language English
format Article
sources DOAJ
author A. Grudiev
spellingShingle A. Grudiev
Very short-range wakefields in strongly tapered disk-loaded waveguide structures
Physical Review Special Topics. Accelerators and Beams
author_facet A. Grudiev
author_sort A. Grudiev
title Very short-range wakefields in strongly tapered disk-loaded waveguide structures
title_short Very short-range wakefields in strongly tapered disk-loaded waveguide structures
title_full Very short-range wakefields in strongly tapered disk-loaded waveguide structures
title_fullStr Very short-range wakefields in strongly tapered disk-loaded waveguide structures
title_full_unstemmed Very short-range wakefields in strongly tapered disk-loaded waveguide structures
title_sort very short-range wakefields in strongly tapered disk-loaded waveguide structures
publisher American Physical Society
series Physical Review Special Topics. Accelerators and Beams
issn 1098-4402
publishDate 2012-12-01
description Very short-range wakefields in strongly tapered disk-loaded waveguide structures are investigated in the regime where the so-called “catch-up” distance is much larger than the length of the tapered structure. It is shown that in this case the very short-range wakefields are not being an average over all irises of the tapered structure; instead they are dominated by the irises with the smallest aperture radius. A new analytical model for short-range wakefield calculation in this regime is proposed. The results of the analytical model and numerical simulations are compared for the case of X-band accelerating structures.
url http://doi.org/10.1103/PhysRevSTAB.15.121001
work_keys_str_mv AT agrudiev veryshortrangewakefieldsinstronglytapereddiskloadedwaveguidestructures
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