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Fukumoto, S.

Paper Title Page
MOPC119 Low-Output-Impedance RF System for the ISIS Second Harmonic Cavity 343
 
  • Y. Irie, S. Fukumoto, K. Muto, A. Takagi
    KEK, Ibaraki
  • D. Bayley, I. S.K. Gardner, A. Seville, J. W.G. Thomason
    STFC/RAL/ISIS, Chilton, Didcot, Oxon
  • J. C. Dooling, D. Horan, R. Kustom, M. E. Middendorf
    ANL, Argonne, Illinois
  • T. Oki
    Tsukuba University, Ibaraki
 
  Low-output-impedance RF system for the second harmonic cavity in the ISIS synchrotron has been developed by the collaboration between Argonne National Laboratory, US, KEK, Japan and Rutherford Appleton Laboratory, UK. Low output impedance is realized by the feedback from plate output to grid input of the final triode amplifier, resulting in less than 30 Ω over the frequency range of interest. Precise control of the second harmonic voltage can then be realized without considering beam loading effects. Beam test scenario in the ISIS synchrotron is discussed.  
THPP070 Status of Center for Accelerator and Beam Applied Science of Kyushu University 3521
 
  • Y. Yonemura, H. Arima, N. Ikeda, K. Ishibashi, H. Ishikawa, K. Maehata, T. Okai, N. Shigyo, Y. Uozumi, G. Wakabayashi
    Kyushu University, Department of Applied Quantum Physics and Nuclear Engineering, Fukuoka
  • S. Fukumoto, Y. Kimura, H. Nakayama, A. Takagi
    KEK, Ibaraki
  • Y. Mori
    KURRI, Osaka
  • T. Noro, K. Sagara
    Kyushu University, Fukuoka
  • T. Tomimasu
    SAGA, Tosu
 
  A new accelerator facility of Center for Accelerator and Beam Applied Science is under construction on Ito Campus to promote research and education activities at Kyushu University. The facility consists mainly of a 10 MeV proton cyclotron as an injector and a 150 MeV Fixed Field Alternating Gradient (FFAG) accelerator, which was developed at KEK as a prototype of proton FFAG for various applications. In this paper, the status of the development of devices and the facility is described.