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JAEA development programmes of advanced NDA technologies for nuclear materials

Seya, Michio; Bolind, A.; Kobayashi, Naoki; Hajima, Ryoichi; Kureta, Masatoshi; Soyama, Kazuhiko; Nakamura, Hironobu; Harada, Hideo  

The Integrated Support Center for Nuclear Nonproliferation and Nuclear Security (ISCN) of JAEA has been undertaking to develop fundamental part of following advanced non-destructive assay (NDA) technologies for nuclear materials (NM), with collaborations among several divisions of JAEA. (1) NRF (Nuclear resonance fluorescence) NDA technology using laser Compton scattered (LCS) $$gamma$$-rays (intense mono-energetic $$gamma$$-rays). (2) Alternative to $$^{3}$$He neutron detection technology using ZnS/B$$_{2}$$O$$_{3}$$ ceramic scintillator. (3) NRD (Neutron resonance densitometry) using NRTA (Neutron resonance transmission analysis) and NRCA (Neutron resonance capture analysis). These could be used as tools not only for safeguards but also for nuclear security, to detect nuclear materials. In this paper we roughly introduce our development program of each NDA technology and several ideas of application.



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