[3O06-08] Neutron Field Evaluation

[3O08] Experimental evaluation of the amount of radioactivity formed in the torus hall of the large helical device

*Yuya Yamamoto¹, Makoto Kobayashi^2,3, Tomoyo Tanaka¹, Sachiko Yoshihashi¹, Akira Uritani¹, Kenichi Watanabe¹, Atsushi Yamazaki¹, Kunihiro Ogawa^3,2, Takeo Nishitani², Mitsutaka Isobe^2,3 (1. Nagoya Univ., 2. NIFS, 3. SOKENDAI)

Keywords:LHD, Nuclear fusion, Decommission, Activation method

We measured the amount of radioactivity of the structure material in the torus hall of the large helical device using activation method during the 2nd campaign of the deuterium plasma experiment, and predicted radioactive materials for the future decommission.