量研学術機関リポジトリ「QST-Repository」は、国立研究開発法人 量子科学技術研究開発機構に所属する職員等が生み出した学術成果（学会誌発表論文、学会発表、研究開発報告書、特許等）を集積しインターネット上で広く公開するサービスです。 Welcome to QST-Repository where we accumulates and discloses the academic research results(Journal Publications, Conference presentation, Research and Development Report, Patent, etc.) of the members of National Institutes for Quantum Science and Technology.
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Low-energy neutrons in the thermal and epithermal energy regions are a powerful probe to inspect water or high pressure hydrogen gas because of their large scattering cross-sections with protons. Laser-driven neutron source, which
is able to simultaneously emit different types of radiations such as X-rays, can be used for neutron and X-ray radiography in the same laser shot. In the present paper, we report the demonstration of non-destructive inspection for H2O
inside of a stainless steel pipe using a laser driven thermal neutron source, where water and stainless containers are detected by neutrons and X-rays, respectively. The simulation result indicates that this method is also able to measure accurately the hydrogen density in high-pressure hydrogen gas in metal containers.
Non-destructive inspection of water or high-pressure hydrogen gas in metal pipes by the flash of neutrons and X-rays generated by laser
