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WEPB03 |
First Prototype of a Coronagraph-based Halo Monitor for BERLinPro |
434 |
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- J.G. Hwang, J. Kuszynski
HZB, Berlin, Germany
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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.
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IBIC2018-WEPB03
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About • |
paper received ※ 04 September 2018 paper accepted ※ 12 September 2018 issue date ※ 29 January 2019 |
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