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| MOPAB071 |
A Beam Position Monitor for the Diagnostic Line in MEBT2 of J-PARC Linac |
281 |
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- A. Miura, Y. Kawane, J. Tamura
JAEA/J-PARC, Tokai-mura, Japan
- T. Miyao
KEK, Ibaraki, Japan
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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.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2017-MOPAB071
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