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| THP063 |
First High-Power ACS Module for J-PARC Linac
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725 |
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- H. Ao, K. Hasegawa, K. Hirano, T. Morishita, A. Ueno
JAEA/LINAC, Ibaraki-ken
- M. Ikegami
KEK, Ibaraki
- V. V. Paramonov
RAS/INR, Moscow
- Y. Yamazaki
JAEA/J-PARC, Tokai-Mura, Naka-Gun, Ibaraki-Ken
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J-PARC Linac will be commissioned with energy of 181-MeV using 50-keV ion source, 3-MeV RFQ, 50-MeV DTL and 181-MeV SDTL (Separated DTL) on December 2006. It is planed to be upgraded by using 400-MeV ACS (Annular Coupled Structure), in a few years from the commissioning. The first high-power ACS module, which will be used as the first buncher between the SDTL and the ACS has been fabricated, and a few accelerating modules are also under fabrication until FY2006. Detail of cavity design and tuning procedure has been studied with RF simulation analysis and cold-model measurements. This paper describes RF measurement results, fabrication status, and related development items.
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