Radiochemical Determination of Fission Rate in JRR-4

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概要

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• The fission rate in the core of the Japan Research Reactor 4 (JRR-4) was determined by a method based on radiochemical analysis of <SUP>99</SUP>Mo formed in the U samples irradiated in the reactor core.<BR>The contribution of epithermal neutron fission to the total fission rate was evaluated from the Cd ratio for 11 fission. The contribution was several percent.<BR>For comparison, the thermal neutron flux also was measured, by Au-foil activation. The fission rate determined from the U samples agreed well with the Au-foil data, except at positions in the peripheral region of the reactor core.

• 一般社団法人 日本原子力学会の論文

著者

• NATSUME Haruo

  Tokai Research Establishment, Japan Atomic Energy Research Institute

• UMEZAWA Hirokazu

  Tokai Research Establishment, Japan Atomic Energy Research Institute

• SUZUKI Toshio

  Tokai Research Establishment, Japan Atomic Energy Research Institute

• TOMABECHI Ken

  Tokai Research Establishment, Japan Atomic Energy Research Institute

• MOROZUMI Minoru

  Tokai Research Establishment, Japan Atomic Energy Research Institute

• SATO Tadashi

  Tokai Research Establishment, Japan Atomic Energy Research Institute

関連論文

• Gamma-Ray Spectrometric Determination of Isotopic Ratios of Plutonium
• Radiochemical Determination of Fission Rate in JRR-4
• Gamma-ray spectrometry and chemical analysis data of JPDR-I spent fuel.

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