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Kobayashi, H.

Paper Title Page
MOPAN031 Design Study of a Very Large Aperture Eddy Current Septum for J-PARC 224
  • K. Fan, H. Kobayashi, H. Matsumoto, Y. Sakamoto
    KEK, Ibaraki
  An eddy current septum is selected as a backup of injection septum. Due to the high beam intensity and low beam energy, the injection beam size is very large. To accommodate the large size beam, large aperture septum is required. Large end field and large eddy current loss result in degradation of gap field. The paper discusses the eddy current loss effects on field distribution and introduces some correction methods.