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Report No.

Present status of JAEA-Tokai tandem accelerator

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

The JAEA-Tokai tandem accelerator was operated over a total of 110 days, and delivered 22 different ions to the experiments in the research fields of nuclear physics, nuclear chemistry, atomic physics, solid state physics and radiation effects in material in FY2016. The damaged acceleration tubes by discharge were replaced with the spare tube at the regular maintenance period in March 2016, and the maximum accelerating voltage recovered to the 17 MV. However, an accident of vacuum breaking of all acceleration tubes was occurred in December, and accelerating voltage fell down to under 12 MV. Now, we are doing the maintenance to recover the performance of acceleration voltage. This paper describes the operational status of the accelerators and the major technical developments of our facility.



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