27 February 1997 Design study of spectrum shifter region in research reactor by using the Kyoto University Critical Assembly (KUCA)
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Proceedings Volume 2867, International Conference Neutrons in Research and Industry; (1997) https://doi.org/10.1117/12.267845
Event: Fifth International Conference on Applications of Nuclear Techniques: Neutrons in Research and Industry, 1996, Crete, Greece
Abstract
For the nuclear design of a spectrum-controlled irradiation field in a research reactor, reaction rate distributions of gold, nickel and indium wires were measured in the Kyoto University Critical assembly in tight-pitch lattice cores of different moderator-to-fuel volume ratios with spectrum shifter regions which consist of beryllium, graphite and aluminum. Spectrum indices were obtained by measuring the cadmium ratio of gold wire and calculating the ratio of reaction rates between gold and nickel wires. The measured data were compared with the results of neutronics calculations which are employed in the neutronics design of the irradiation field.
© (1997) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Seiji Shiroya, Hironobu Unesaki, Toshikazu Takeda, Otohiko Aizawa, "Design study of spectrum shifter region in research reactor by using the Kyoto University Critical Assembly (KUCA)", Proc. SPIE 2867, International Conference Neutrons in Research and Industry, (27 February 1997); doi: 10.1117/12.267845; https://doi.org/10.1117/12.267845
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