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Report No.

Present status of JAEA-Tokai tandem accelerator and booster

Matsuda, Makoto ; Osa, Akihiko ; Ishizaki, Nobuhiro ; Tayama, Hidekazu; Nakanoya, Takamitsu ; Kabumoto, Hiroshi ; Nakamura, Masahiko; Kutsukake, Kenichi ; Otokawa, Yoshinori ; Asozu, Takuhiro 

The tandem accelerator was operated over a total of 140 days and delivered 22 different ions to the experiments in the fields of nuclear physics, nuclear chemistry, atomic physics, solid state physics and radiation effects in material. Maximum accelerating voltage is keeping up 18 MV and there was used for ten days on this voltage. However, electric discharge was occurred frequently in December and accelerating voltage fell to 12 MV. The damaged acceleration tubes were replaced with the spare tube at the regular maintenance period in March. The superconducting booster was not operated. This paper describes the operational status of the accelerators and the major technical developments.



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