Author: Dixon, A.
Paper Title Page
MOPOPA12 Preserving Bright Electron Beams: Distorted CSR Kicks 91
SUPCRI08   use link to see paper's listing under its alternate paper code  
 
  • A. Dixon, T.K. Charles
    The University of Liverpool, Liverpool, United Kingdom
  • T.K. Charles, P.H. Williams
    Cockcroft Institute, Warrington, Cheshire, United Kingdom
  • S. Thorin
    MAX IV Laboratory, Lund University, Lund, Sweden
  • P.H. Williams
    STFC/DL/ASTeC, Daresbury, Warrington, Cheshire, United Kingdom
 
  Short pulse, low emit­tance elec­tron beams are nec­es­sary to drive bright FEL X-rays, for this rea­son it is im­por­tant to pre­serve and limit emit­tance growth. The strong bunch com­pres­sion re­quired to achieve the short bunches, can lead to co­her­ent syn­chro­tron ra­di­a­tion (CSR)-in­duced emit­tance growth, and while there are some meth­ods of CSR can­cel- la­tion, these meth­ods may be less ef­fec­tive when the CSR kicks are dis­torted. In an at­tempt to un­der­stand why CSR kicks be­come dis­torted, we com­pare the CSR kicks calcu- lated using the whole beam pa­ra­me­ters to the CSR kicks cal­cu­lated using the lon­gi­tu­di­nally sliced beam pa­ra­me­ters, when prop­a­gated to the end of the bunch com­pres­sor. We find that CSR kicks can be­come dis­torted when cal­cu­lated with non-uni­form slice beam pa­ra­me­ters. While slice beam pa­ra­me­ters that are uni­form along the cen­tre of the bunch, do not re­sult in dis­torted CSR kicks.  
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DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2022-MOPOPA12  
About • Received ※ 24 August 2022 — Revised ※ 26 August 2022 — Accepted ※ 27 August 2022 — Issue date ※ 31 August 2022
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