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Neutron resonance transmission analysis using laser driven neutron source, 1; Applicability of Laser driven neutron source for neutron resonance transmission analysis

Takahashi, Toon; Ito, Fumiaki*; Koizumi, Mitsuo; Suzuki, Satoshi*; Yogo, Akifumi*; Arikawa, Yasunobu*; Abe, Yuki*; Hori, Junichi*; Sano, Tadafumi*; Lee, J.; Nishimura, Hiroaki*

Some nondestructive assay (NDA) methods for validation of highly radioactive nuclear material have been developed under the subsidiary for nuclear security promotion of MEXT. Nuclear Resonance Transmission Analysis (NRTA) is able to measure the density of each isotope of fissile and quite useful for analysis of solid samples like fuel debris. However, it is not easy to install due to a large Time-of-Flight (TOF) system which is required for the precise measurement. So, we have proposed a NRTA combined with Laser Driven Neutron Source (LDNS). TOF system would be shortened less than 5 m because of extremely short pulse width of LDNS. A conceptual design of LDNS-NRTA will be presented.

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