Author: Paramonov, V.V.
Paper Title Page
WEPTS012 RF Design Studies of a 1.3 GHz Normal Conducting CW Buncher for European X-FEL 3109
 
  • S. Lal, Y. Chen, H.J. Qian, H. Shaker, G. Shu, F. Stephan
    DESY Zeuthen, Zeuthen, Germany
  • V.V. Paramonov
    RAS/INR, Moscow, Russia
 
  A CW upgrade of European XFEL is under consideration, and CW electron injector is under R&D at DESY. One of the injector solutions is the LCLS-II like injector based on a normal conducting CW gun and buncher. RF design of a 1.3 GHz normal conducting buncher structure with accelerating voltage of ~ 400 kV, for such a CW injector is carried out at DESY Zeuthen site. The buncher structures with different geometrical shapes and numbers of cells are studied. The designs are optimized to have higher shunt impedance, higher mode separation and lower thermal power density for CW operation. Multipacting analysis and beam dynamics simulations are also presented.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2019-WEPTS012  
About • paper received ※ 12 May 2019       paper accepted ※ 22 May 2019       issue date ※ 21 June 2019  
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