[Show abstract][Hide abstract] ABSTRACT: A 5 year task is described on the research and development of the advanced humanitarian landmine detection system by using a compact discharge-type fusion neutron source called IECF (Inertial-Electrostatic Confinement fusion) device and 3 dual sensors made of BGO and NaI. With 10<sup>7</sup> D-D neutrons/s stably produced in steady-state mode, H-2.2 MeV, N-5.3, 10.8 MeV, gamma rays from (n, gamma) reaction with nitrogen atoms in the explosives are measured for two kinds of explosives (TNT, RDX), under the conditions of three different buried depths, and soil moistures. Final detection probabilities for arid soil are found to be 100 % in the present tests, i.e., depths not exceeding 15 cm, moisture content of 18.5 % or less, and 20-minute measurements. The neutron backscattering method is found also excellent.
[Show abstract][Hide abstract] ABSTRACT: An anti-personnel landmine detection system using an inertial-electrostatic confinement fusion (IECF) neutron source and dual
sensors showed excellent performance, particularly, for humanitarian landmine detection. Averaged probability of detection
(POD) in this test was found to be 100% for arid soil, and 99% for other conditions including very wet soil moisture of 18.5wt%.
Further improvements in reliability by making use of neutron backscattering are found to be efficient.