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Title: Study of High-Frequency Impedance of Small-Angle Tapers and Collimators

Abstract

Collimators and transitions in accelerator vacuum chambers often include small-angle tapering to lower the wakefields generated by the beam. While the low-frequency impedance is well described by Yokoya's formula (for axisymmetric geometry), much less is known about the behavior of the impedance in the high frequency limit. In this paper we develop an analytical approach to the highfrequency regime for round collimators and tapers. Our analytical results are compared with computer simulations using the code ECHO.

Authors:
;
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
981359
Report Number(s):
SLAC-PUB-14093
TRN: US1003910
DOE Contract Number:  
AC02-76SF00515
Resource Type:
Conference
Resource Relation:
Conference: Contributed to 1st International Particle Accelerator Conference: IPAC'10, Kyoto, Japan, 23-28 May 2010
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; ACCELERATORS; BEHAVIOR; COLLIMATORS; COMPUTERIZED SIMULATION; GEOMETRY; IMPEDANCE; WELLS; Accelerators,ACCPHY

Citation Formats

Stupakov, Gennady, /SLAC, Podobedov, B, and /Brookhaven. Study of High-Frequency Impedance of Small-Angle Tapers and Collimators. United States: N. p., 2010. Web. doi:10.2172/972231.
Stupakov, Gennady, /SLAC, Podobedov, B, & /Brookhaven. Study of High-Frequency Impedance of Small-Angle Tapers and Collimators. United States. https://doi.org/10.2172/972231
Stupakov, Gennady, /SLAC, Podobedov, B, and /Brookhaven. Fri . "Study of High-Frequency Impedance of Small-Angle Tapers and Collimators". United States. https://doi.org/10.2172/972231. https://www.osti.gov/servlets/purl/981359.
@article{osti_981359,
title = {Study of High-Frequency Impedance of Small-Angle Tapers and Collimators},
author = {Stupakov, Gennady and /SLAC and Podobedov, B and /Brookhaven},
abstractNote = {Collimators and transitions in accelerator vacuum chambers often include small-angle tapering to lower the wakefields generated by the beam. While the low-frequency impedance is well described by Yokoya's formula (for axisymmetric geometry), much less is known about the behavior of the impedance in the high frequency limit. In this paper we develop an analytical approach to the highfrequency regime for round collimators and tapers. Our analytical results are compared with computer simulations using the code ECHO.},
doi = {10.2172/972231},
url = {https://www.osti.gov/biblio/981359}, journal = {},
number = ,
volume = ,
place = {United States},
year = {2010},
month = {6}
}

Conference:
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