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Muto, S.

Paper Title Page
MOPE014 Development of a Nondestructive Beam Profile Monitor using a Sheeted Nitrogen-molecular Beam 987
 
  • Y. Hashimoto, T. Toyama
    J-PARC, KEK & JAEA, Ibaraki-ken
  • T. Fujisawa
    AEC, Chiba
  • T. Morimoto
    Morimoto Engineering, Iruma, Saitama
  • T.M. Murakami, K. Noda
    NIRS, Chiba-shi
  • S. Muto
    KEK, Ibaraki
  • D. Ohsawa
    Kyoto University, Radioisotope Research Center, Kyoto-shi
  
 

A nondestructive beam profile monitor using a nitrogen-molecule gas-jet sheet has been developed for intense ion beams. The density of the gas-jet sheet corresponds to 1 x 10-3 Pa. A light emitted from nitrogen excited by an ion beam collision is measured with a high sensitive camera attached a radiation hard image intensifier. In tests, beam profiles of 6 MeV/u full-stripped oxygen beams whose peak current was 600 μA. were measured. This paper describes characteristics of the instruments and the beam test results.