Author: Kawane, Y.
Paper Title Page
MOPAB071 A Beam Position Monitor for the Diagnostic Line in MEBT2 of J-PARC Linac 281
 
  • A. Miura, Y. Kawane, J. Tamura
    JAEA/J-PARC, Tokai-mura, Japan
  • T. Miyao
    KEK, Ibaraki, Japan
 
  In the linac of the Japan Proton Accelerator Research Complex (J-PARC), the neutral hydrogen (H0) generation from the negative hydrogen ion (H) beam is one of key issues to mitigate the beam loss. In order to diagnose the H0 particles, we installed the bump magnets to make a chicane orbit of the H beam. To evaluate the horizontal shifts of the beam orbit, a beam position monitor (BPM) is fabricated. The BPM measures the shift-positions with various driving currents of the bump magnets. We employed the WSM to measure the H beam profile. It also help us to compare the shift-positions measured by BPM. In this paper, the design and the performance of the BPM is described. In addition, we describe how to compare the shift position.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-MOPAB071  
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