Kenji Takeshita¹, ^〇Satoshi Uehara¹, Yusuke Inaba¹ (1.Research laboratory for Nuclear Reactors, Tokyo Institute of Technology)

^〇Hwang Dongki¹, Tekehiko Tsukahara¹, Yasuhisa Ikeda¹ (1.Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology)

^〇Ryou Kimura¹, Yaohiro Inagaki¹, Kazuya Idemitsu¹, Tatsumi Arima¹ (1.Kyushu University)

^〇Atsuhiro Shibata¹, Yoshikazu Koma¹, Takao Ohi¹ (1.Japan Atomic Energy Agency)