Paper |
Title |
Page |
WEOAA03 |
Development of the Beam Halo Monitor in the J-PARC 3-GeV RCS |
2122 |
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- M. Yoshimoto, N. Hayashi, H. Hotchi, M. Kinsho, S.I. Meigo, K. Okabe, P.K. Saha, K. Yamamoto
JAEA/J-PARC, Tokai-Mura, Naka-Gun, Ibaraki-Ken, Japan
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Transverse beam halo is one of the most important beam parameters due to limit the performance of the high intensity beam accelerator. Therefore the transverse beam halo measurement is required to increase the beam power of the J-PARC 3-GeV RCS. Transverse halo monitors, which are horizontal and vertical scanning aluminum plates type, has been installed in the extraction beam line. But the residual secondary electrons hindered the beam halo diagnostic. Thus we develop the new beam halo monitor with vibrating wire monitor.
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Slides WEOAA03 [6.701 MB]
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TUPPC022 |
Straight Scaling FFAG Experiment |
1209 |
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- J.-B. Lagrange, Y. Ishi, Y. Kuriyama, Y. Mori, R. Nakano, B. Qin, T. Uesugi, E. Yamakawa
Kyoto University, Research Reactor Institute, Osaka, Japan
- Y. Niwa, K. Okabe, I. Sakai
University of Fukui, Faculty of Engineering, Fukui, Japan
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Straight scaling FFAG experiment has been done at Kyoto University research reactor institute. Details and results are presented here.
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WEPPR006 |
Serpentine Acceleration in Scaling FFAG |
2946 |
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- E. Yamakawa, Y. Ishi, Y. Kuriyama, J.-B. Lagrange, Y. Mori, T. Uesugi
Kyoto University, Research Reactor Institute, Osaka, Japan
- K. Okabe, I. Sakai
University of Fukui, Faculty of Engineering, Fukui, Japan
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A serpentine acceleration in scaling FFAG accelerator is examined. In this scheme, high-energy and high-current beam can be obtained in non-relativistic energy region. Longitudinal hamiltonian is derived analytically. Experiment to demonstrate a serpentine acceleration in scaling FFAG is done.
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