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Full Record Details
Persistent URL
http://purl.org/net/epubs/work/53355
Record Status
Checked
Record Id
53355
Title
Higher order mode analysis of the SPL cavities
Contributors
M Schuh (CERN and MPI for Nuclear Physics, Heidelberg, Germany) (Pr.Au.)
,
CP Welsch (Cockcroft Inst., and Liverpool Univ.)
,
F Gerigk (CERN)
,
J Tückmantel (CERN)
Abstract
Higher Order Modes (HOMs) can severely limit the operation of superconducting cavities in a linac with high beam current, high duty factor and complex pulse structure. The full HOM spectrum has to be analyzed in order to identify potentially dangerous modes already during the design phase and to define their damping requirements. For this purpose a dedicated beam simulation code focused on beam-HOMinteraction was developed, taking into account important effects like the HOMfrequency spread, beam input jitter, different chopping patterns, as well as klystron and alignment errors. Here, the code is used to investigate in detail the HOM properties of the cavities foreseen in the Superconducting Proton Linac (SPL) at CERN and their potential to drive beam instabilities. Special attention is given to HOM excitation by chopped pulses with high repetition rate.
Organisation
CI
Keywords
Physics
Funding Information
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Language
English (EN)
Type
Details
URI(s)
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Year
Paper In Conference Proceedings
In 1st International Particle Accelerator Conference (IPAC10), Kyoto, Japan, 23-28 May 2010,
CI Preprints
, Cockcroft-10-18 (2010).
Cockcroft-10-18.pdf
2010
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