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Tani, N.

Paper Title Page
MPPE004 Evaluation of Nonlinear Effects in the 3GeV Rapid Cycling Synchrotron of J-PARC 916
 
  • H. Hotchi, F. Noda, N. Tani
    JAERI/J-PARC, Tokai-Mura, Naka-Gun, Ibaraki-Ken
  • J. Kishiro, S. Machida, A.Y. Molodojentsev
    KEK, Ibaraki
 
  In order to accelerate an ultra-high intense beam with small particle losses, the 3GeV Rapid Cycling Synchrotron (RCS) of J-PARC, which is being constructed at JAERI, has a large acceptance. In this case the nonlinearity associated with the motion of particles at large amplitude and large momentum deviation plays a significant role. The sources of nonlinear magnetic fields in RCS are mainly connected with the fringe of the main dipole and quadrupole magnets and with the sextupole magnets used for the linear chromaticity correction. In this paper, we will present simulation results including such nonlinear effects. In addition, the possible correction scheme for the induced transverse resonances will be discussed.