| Title |
Construction and Performance Tests of Prototype Quarter-wave Resonator and Its Cryomodule at RIKEN |
| Authors |
- N. Sakamoto, O. Kamigaito, H. Okuno, K. Ozeki, K. Suda, Y. Watanabe, K. Yamada
RIKEN Nishina Center, Wako, Japan
- H. Hara, K. Sennyu, T. Yanagisawa
MHI-MS, Kobe, Japan
- E. Kako, H. Nakai, K. Umemori
KEK, Ibaraki, Japan
- K. Okihira
MHI, Hiroshima, Japan
|
| Abstract |
This paper describes the development of a superconduct- ing quarter-wave resonator for use in an intense low-β-ion linear accelerator. The prototype cavity was fabricated from bulk Nb, inner cavity surface processing was per- formed, and vertical testing was carried out. In the vertical test, a Q-value of 8.7·10⁸ was obtained with an operating field gradient of 4.5 MV/m at a frequency of 75.5 MHz. Here, we describe the results of the performance tests and various phenomena we experienced during the tests. After the vertical tests, the helium vessel was assembled and the prototype resonator was integrated into a cryomodule. Initial cooldown testing results are described. Performance testing of the cryomodule is continuing. The situation of upgrade of the RIKEN heavy-ion RIKEN Linac (RILAC) is also reported.
|
| Funding |
This research work was funded by ImPACT Program of Council for Science, Technology and Innovation (Cabinet Office, Government of Japan). |
| Paper |
download WEYA02.PDF [3.077 MB / 5 pages] |
| Slides |
download WEYA02_TALK.PDF [7.751 MB] |
| Export |
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※ EndNote |
| Conference |
SRF2017, Lanzhou, China |
| Series |
International Conference on RF Superconductivity (18th) |
| Proceedings |
Link to full SRF2017 Proccedings |
| Session |
Cavity I |
| Date |
19-Jul-17 11:10–13:00 |
| Main Classification |
SRF Technology R&D |
| Sub Classification |
Cavity |
| Keywords |
ion, cavity, cryomodule, linac, multipactoring |
| Publisher |
JACoW, Geneva, Switzerland |
| Editors |
Volker RW Schaa (GSI, Darmstadt, Germany); Yuan He (IMP, Lanzhou, China); Lu Li (IMP, Lanzhou, China); Ning Zhao (IHEP, Beijing, China) |
| ISBN |
978-3-95450-191-5 |
| Published |
January 2018 |
| Copyright |
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