Y.Sato, T.Honma, T.Murakami, A.Kitagawa, M.Muramatsu, S.Yamada, H.Ogawa, T.Fukushima, C.Kobayashi (NIRS)
At NIRS-HIMAC, 754 patients have already been treated using carbon beams by the end of February 2000. One of recent developments is smaller number of fractionation. Required beam intensity has thus increased up to 300 microampere of C2+ at the source and 2x10E9 pps of C6+ at the isocenter. Furthermore, since the installation of the secondary beam (11C and 19Ne) course for therapy has almost completed , the high intensity for primary beams is now a prior subject in the HIMAC system. Various ion species and stable operation are also being requested for basic studies. This report describes the recent improvements and developments in the HIMAC injector.
 M.Kanazawa et al, Proc. EPAC98, 2357 (1998).
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