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Muramatsu, M.

Paper Title Page
MOP060 The Compact Injector as the Second Injector of the HIMAC 190
 
  • Y. Iwata, T. Fujisawa, T.M. Murakami, M. Muramatsu, K. Noda
    NIRS, Chiba-shi
  • Y.K. Kageyama, I. Kobayashi, T. Sasano, T. Takeuchi
    AEC, Chiba
 
 

A compact injector, consisting of the permanent-magnet ECR ion-source, the RFQ linac and the alternating-phase-focused interdigital H-mode drift-tube-linac (APF IH-DTL), was developed for an injector of medical-accelerator facilities, dedicated for the heavy-ion cancer therapy. The injector can accelerate heavy-ions having q/m=1/3 up to 4 MeV/u. Beam acceleration tests of the compact injector were successfully made at the National Institute of Radiological Sciences (NIRS), and the results of the acceleration tests proved its excellent performance*. The same design was used for the injector, constructed at the Heavy Ion Medical Center in the Gunma University. Our compact injector was recently installed in the HIMAC, and will be used as the second injector of the HIMAC. The new beam transport line for the compact injector was constructed in conjunction with the existing transport line. The entire injector system of the HIMAC accelerator complex will be presented.


* Y. Iwata, et al., Nucl. Instr. and Meth. in Phys. Res. A 572 (2009) 1007.