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Fujisawa, T.

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.