[20a-D62-1~11] 2.2 Radiation physics fundamentals & applications, radiation generators, new technology

11:00 AM - 11:15 AM JST(2:00 AM - 2:15 AM UTC)

[20a-D62-8] Study of on-site detection technique for nuclear materials concealed in heavy metals

〇Kosuke Tanabe¹, Masao Komeda², Yosuke Toh², Ken'ichi Tsuchiya¹, Tsuyoshi Misawa³, Yasunori Kitamura³, Hiroshi Sagara⁴ (1.NRIPS, 2.JAEA, 3.Kyoto Univ., 4.Tokyo Tech.)

Keywords:

Neutron,Nuclear material,Cherenkov detector

On-site detection of nuclear materials concealed by heavy metals is an urgent international issue. We have proposed a novel low-cost and transportable active neutron method called the ²⁵²Cf rotation method. In addition, a water Cherenkov detector was developed as a low-cost and highly sensitive neutron detector suitable for this method. In this presentation, we report the experimental results of the detection of lead-shielded enriched uranium using the developed system.