^〇Hiroki Watanabe¹, Akinori Yamaguchi¹, Takanori Kameyama¹ (1.Tokai University)

^〇Jun-ichi Katakura¹, Seima Okamura¹, Kazuma Komuro¹, Takashi Nishiyashiki¹, Toru Yamamoto² (1.Nagaoka University of Technology, 2.Japan Nuclear Energy Safety Organization)

^〇Ritsuo Yoshioka¹, Motoyasu Kinoshita², Naoyuki Takaki³, Tadashi Yoshida⁴ (1.International Thorium Molten-Salt Forum, 2.University 0f Tokyo, 3.Tokyo City University, 4.Tokyo Institute of Technology)