Abstract
At the Kyoto University Research Reactor Institute, the first injection of the spallation neutrons generated by the high-energy proton beams into a reactor core was accomplished on 4 March 2009. Using three detectors which located at near active core regions, the prompt and delayed neutron behaviors by proton injection were experimentally observed and the neutron beam characteristics at the beam duct were also watched by Gafchromic films. Under the subcritical condition with 0.76%Δk/k, an In wire irradiation experiment was accomplished horizontally. The 115In(n,γ)116mIn reaction rate comparison was also performed by MCNPX simulation and its errors showed within the allowance of the experimental statistical errors.
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Acknowledgements
This work was supported by the Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan within the task of “Research and Development for an Accelerator-Driven Subcritical System Using an FFAG accelerator”. A part of this study was supported by the Grant-in-Aid for Scientific Research form MEXT from Japan.
The authors are grateful to all the technical staff and the students of KUCA for their assistance during the experiments.
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Lim, JY., Pyeon, C.H., Misawa, T., Shiroya, S. (2010). Current Status of Accelerator-Driven System with High-Energy Protons in Kyoto University Critical Assembly. In: Yao, T. (eds) Zero-Carbon Energy Kyoto 2009. Green Energy and Technology. Springer, Tokyo. https://doi.org/10.1007/978-4-431-99779-5_9
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DOI: https://doi.org/10.1007/978-4-431-99779-5_9
Publisher Name: Springer, Tokyo
Print ISBN: 978-4-431-99778-8
Online ISBN: 978-4-431-99779-5
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