Possible applications of NDA systems using Laser Compton Scattering (LCS) X-rays and -rays in material accountancy and safeguards verification for future nuclear fuel cycle facilities

Seya, Michio; Hajima, Ryoichi; Nishimori, Nobuyuki; Kikuzawa, Nobuhiro ; Hayakawa, Takehito; Shizuma, Toshiyuki; Fujiwara, Mamoru

This article introduces possibilities of various applications of ERL (Energy Recovery Linac) based laser Compton scattering (LCS) X- and -ray sources to nondestructive assay (NDA) in material accountancy and safeguards verification for future nuclear fuel cycle (FNFC) facilities. The NDA system using 1-3 MeV LCS -ray source (350 MeV electrons + laser) with having semi-monochromatic energy distribution and enough intensity could be applied to measurement of Pu not only in spent nuclear fuel but also in fresh MOX fuel with FPs (fission products) and MAs (minor actinides) by NRF (nuclear resonance fluorescence) method. This NDA system is as well applicable for measuring Pu in hulls or vitrified waste. The NDA system using 100-150 keV LCS X-ray source (85 MeV electrons + laser) could be applied to measurement of concentrations of U, Pu, MAs in solutions with higher speed than the present Hybrid K-edge/XRF densitometer.