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Title Preliminary Geometry Optimization of a 3.5-Cell SRF Gun Cavity at ELBE Based on Beam Dynamics
  • K. Zhou, P. Li
    CAEP/IAE, Mianyang, Sichuan, People’s Republic of China
  • A. Arnold, S. Ma, J. Schaber, J. Teichert, R. Xiangpresenter
    HZDR, Dresden, Germany
Abstract At present, ELBE radiation source at HZDR is optimizing the SRF cavity for the next generation ELBE SRF GUN. This paper presents a preliminary study on the geometry optimization of a 3.5-cell SRF gun cavity based on beam dynamics. By changing the lengths of the half cell and the first TESLA like cell, two new cavity models with higher electric field in the half cell are built and their RF fields are compared with SRF GUN I and SRF GUN II. Through the scanning of the RF phases and the electric fields, the simulation results indicate that new models have smaller transverse emittance at relatively lower electric field gradients and better performance on longitudinal emittance than SRF GUN I and SRF GUN II.
Paper download WEP026.PDF [1.812 MB / 4 pages]
Poster download WEP026_POSTER.PDF [1.345 MB]
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Conference FEL2019
Series Free Electron Laser Conference (39th)
Location Hamburg, Germany
Date 26-30 August 2019
Publisher JACoW Publishing, Geneva, Switzerland
Editorial Board Volker R.W. Schaa (GSI, Darmstadt, Germany); Winfried Decking (DESY, Hamburg, Germany); Harald Sinn (EuXFEL, Schenefeld, Germany); Gianluca Geloni (EuXFEL, Schenefeld, Germany); Siegfried Schreiber (DESY, Hamburg, Germany); Michaela Marx (DESY, Hamburg, Germany)
Online ISBN 978-3-95450-210-3
Online ISSN ""
Received 19 August 2019
Accepted 29 August 2019
Issue Date 05 November 2019
DOI doi:10.18429/JACoW-FEL2019-WEP026
Pages 374-377
Creative Commons CC logoPublished by JACoW Publishing under the terms of the Creative Commons Attribution 3.0 International license. Any further distribution of this work must maintain attribution to the author(s), the published article's title, publisher, and DOI.