Author: Kuszynski, J.
Paper Title Page
WEPB03 First Prototype of a Coronagraph-based Halo Monitor for BERLinPro 434
 
  • J.G. Hwang, J. Kuszynski
    HZB, Berlin, Germany
 
  Since particle losses by beam halo induced by space charge force and scattering of trapped ions are critical issues for superconducting-linac based high power machines such as BERLinPro, a halo monitor is demanded to monitor and control particle distribution at the level of 10-4 ~ 10-5 of the core intensity. A coronagraph-based halo monitor was adopted and the first prototype has been designed as a demonstrator system aimed at resolving a halo-core contrast in the 10-3 to 10-4 range. This monitor was tested at BESSY II with various operation modes such as Transverse Resonance Island Buckets (TRIBs) and Pulse-Picking by Resonant Excitation (PPRE). We show our design parameters, experimental criterion, and experimental results.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IBIC2018-WEPB03  
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