Author: Hori, Y.
Paper Title Page
TUPVA090 Performance and Status of the J-PARC Accelerators 2290
 
  • K. Hasegawa, N. Hayashi, M. Kinsho, H. Oguri, K. Yamamoto, Y. Yamazaki
    JAEA/J-PARC, Tokai-Mura, Naka-Gun, Ibaraki-Ken, Japan
  • Y. Hori, N. Yamamoto
    J-PARC, KEK & JAEA, Ibaraki-ken, Japan
  • T. Koseki, F. Naito
    KEK, Tokai, Ibaraki, Japan
 
  The J-PARC is a high intensity proton facility and the accelerator consists of a 400 MeV linac, a 3 GeV Rapid Cycling Synchrotron (RCS) and a Main Ring Synchrotron (MR). We have taken many hardware upgrades. The beam powers for the neutrino experiment and hadron experiment from the MR have been steadily increased by tuning and reducing beam losses. The designed 1 MW equivalent beam was demonstrated and user program was performed at 500 kW from the RCS to the neutron and muon experiments. We have experienced many failures and troubles, however, to impede full potential and high availability. In this report, operational performance and status of the J-PARC accelerators are presented.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-TUPVA090  
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WEPAB048 Present Status of Accelerators in Aichi Synchrotron Radiation Center 2691
 
  • M. Hosaka, T. Ishida, A. Mano, A. Mochihashi, Y. Takashima
    Nagoya University, Nagoya, Japan
  • Y. Hori, N. Yamamoto
    KEK, Ibaraki, Japan
  • M. Katoh
    UVSOR, Okazaki, Japan
  • S. Koda
    SAGA, Tosu, Japan
  • H. Ohkuma, S. Sasaki
    JASRI/SPring-8, Hyogo, Japan
 
  Aichi Synchrotron Radiation Center is a synchrotron radiation facility in operation since 2013. The electron energy of the storage ring is 1.2 GeV and the circumference is 72 m. In spite of the compact size of the storage ring, synchrotron radiation up to hard X-ray region (~20 keV) is available from the 5 T super conducting bending magnets. Presently (Dec. 2016), 8 beamlines (5 hard X-ray and 3 soft X-ray) are in operation and 2 new hard X-ray beamlines are under commissioning. This contribution reports on the present status as well as machine studies to improve the performance of the accelerators.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-WEPAB048  
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