[1K01-07] neutron simulation, sheilding-induced activity calculation,standarization of shielding material

[1K03] Monte Carlo analyses of shielding, activation and external exposure for BNCT using near-threshold ⁷Li(p,n) neutrons

＊Noriaki Nakao¹, Kazuaki Kosako¹, Noriyosu Hayashizaki², Tatsuya Katabuchi², Tooru Kobayashi³ (1.Institute of Technology, Shimizu Corporation, 2.Research Laboratory for Nuclear Reactor, Tokyo Institute of Technology, 3.Max medical Co. Ltd.)

Keywords:Monte Carlo , BNCT, shielding, activation, external exposure , 7Li(p,n) neutron, near-threshold

1.92MeV陽子によるしきい値近傍7Li(p,n)中性子を用いたBNCT装置である循環型液体Liターゲット治療施設を模擬して、MCNP5モンテカルロコードを用いた輸送計算を行い、放射線安全の観点から遮蔽・放射化・全身被ばくを評価した。