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Sako, H.

Paper Title Page
WEPCH128 Virtual Accelerator as an Operation Tool at J-PARC 3 GeV Rapid Cycling Synchrotron (RCS) 2224
 
  • H. Harada, K. Shigaki
    Hiroshima University, Higashi-Hiroshima
  • K. Furukawa
    KEK, Ibaraki
  • H. Hotchi, F. Noda, H. Sako, H. Suzuki
    JAEA/J-PARC, Tokai-Mura, Naka-Gun, Ibaraki-Ken
  • S. Machida
    CCLRC/RAL/ASTeC, Chilton, Didcot, Oxon
 
  We developed a virtual accelerator based on EPICS for 3 GeV Rapid-Cycle Synchrotron (RCS) in J-PARC. It is important to have an on-line model of optics parameters, such as tunes, Twiss parameters, dispersion function, at the commissioning stage in a high intensity proton machine. It gives a strong feedback for the RCS operation as a commissioning tool as well as for the studies of beam dynamics issues. Beam position monitors with finite resolutions, a transverse exciter to measure the betatron frequency, and a RF system with variable frequency to simulate off-momentum optics have been implemented into the system. The virtual accelerator system itself and some results of beam dynamics studies will be presented.