Author/Authors :
Kai، نويسنده , , T. and Segawa، نويسنده , , M. and Ooi، نويسنده , , M. and Hashimoto، نويسنده , , E. and Shinohara، نويسنده , , T. and Harada، نويسنده , , M. and Maekawa، نويسنده , , F. and Oikawa، نويسنده , , K. and SAKAI، نويسنده , , T. and Matsubayashi، نويسنده , , M. and Kureta، نويسنده , , M.، نويسنده ,
Abstract :
The neutron resonance absorption imaging technique with a high-speed video camera was successfully demonstrated at the beam line NOBORU, J-PARC. Pulsed neutrons were observed through several kinds of metal foils as a function of neutron time-of-flight by utilizing a high-speed neutron radiography system. A set of time-dependent images was obtained for each neutron pulse, and more than a thousand sets of images were recorded in total. The images with the same time frame were summed after the measurement. Then the authors obtained a set of images having enhanced contrast of sample foils around the resonance absorption energies of cobalt (132 eV), cadmium (28 eV), tantalum (4.3 and 10 eV), gold (4.9 eV) and indium (1.5 eV).
Keywords :
Neutron resonance absorption , High-speed video camera , NOBORU , Time-of-flight , J-PARC
