Author: Zhang, J.R.
Paper Title Page
WEPMB030 Design Study of a Compact Deflecting Cavity at IHEP 2188
 
  • J.P. Dai, B. Ni, J.Y. Zhai, J.R. Zhang
    IHEP, Beijing, People's Republic of China
 
  For the XFEL project proposed by IHEP, a sophisticated beam spreader is required to separate a single beam into multiple beams. One of the deflecting cavities used in the spreader has been investigated and optimized. It is a 325 MHz, compact RF-dipole superconducting cavity, with the transverse R/Q of 2900Ω, geometrical factor G of 88.5 Ω, and the Helium pressure sensitivity df/dp of 3.4 Hz/mbar. At the nominal deflecting voltage of 7MV, the peak electric field Epeak is 41 MV/m and peak magnetic field Bpeak is 48 mT. This paper will present the detailed RF and mechanical designs.  
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-WEPMB030  
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