An improved fast neutron radiography quantitative measurement method

✍ Scribed by Masahito Matsubayashi; Takashi Hibiki; Kaichiro Mishima; Koji Yoshii; Koji Okamoto

• Publisher: Elsevier Science
• Year: 2004
• Tongue: English
• Weight: 536 KB
• Volume: 533
• Category: Article
• ISSN: 0168-9002
• DOI: 10.1016/j.nima.2004.06.142

✦ Synopsis

The validity of a fast neutron radiography quantification method, the S-scaling method, which was originally proposed for thermal neutron radiography was examined with Monte Carlo calculations and experiments conducted at the YAYOI fast neutron source reactor. Water and copper were selected as comparative samples for a thermal neutron radiography case and a dense object, respectively. Although different characteristics on effective macroscopic crosssections were implied by the simulation, the S-scaled experimental results with the fission neutron spectrum crosssections were well fitted to the measurements for both the water and copper samples. This indicates that the S-scaling method could be successfully adopted for quantitative measurements in fast neutron radiography.