Development of intense high-energy noble gas ion beams from the in-terminal ion injector of tandem accelerator using an ECR ion source

Matsuda, Makoto  ; Nakanoya, Takamitsu  ; Hanashima, Susumu; Takeuchi, Suehiro

In order to develop new beam species of highly charged noble gas ions, we have constructed an in-terminal heavy ion injector in the JAEA-Tokai tandem accelerator using a compact ECR ion source. This work was associated with a lot of development to operate the ion source on the 20UR Pelletron high voltage terminal in high pressure SF gas environment. Highly charged ions of N, O, Ne, Ar, Kr and Xe have been accelerated satisfactorily. Operating data integrated during many years long beam delivery service are summarized.