Behavior of fission fragments released into chemical reactant from U-Pd alloy foil.

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概要

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• To gain basic information for the utilization of fission fragments in radiation chem-istry, measurements were made on the escape fraction of the fission fragments from a fuel of U-Pd alloy foil, and on the distribution of the fission products in a stainless steel capsule containing the fuel and ethylene together with their γ-activities, for the case of a gaseous chemical reaction system of ethylene. The escape fraction measured on <SUP>140</SUP>Ba -<SUP>140</SUP>La was 69%, which is in good agreement with the value of 70% given from theory for a heavier fission fragment. The only fission products detected in the gas phase were <SUP>131</SUP>I, <SUP>133</SUP>I, <SUP>133</SUP>Xe and <SUP>135</SUP>Xe. The sum of the measured γ-activities covering all the fission products was approximately equal to the amount calculated by the empirical formula proposed by Way & Wigner. The behavior of the fission fragments is also discussed.<BR>This study suggests that consideration for decontamination associated with this fissiochemical reaction system could well be limited to I, Xe and Kr.

• 一般社団法人 日本原子力学会の論文

著者

• IKEZOE Yasumasa

  Japan Atomic Energy Research Institute

• Lee Han

  Korea Institute Of Geology Mining And Materials (kigam)

• SATO Shoichi

  Japan Atomic Energy Research Institute

• DANNO Akibumi

  Faculty of Agriculture, Kagoshima University

• MORIYAMA Noboru

  Japan Atomic Energy Research Institute

• LEE Han

  Korea Atomic Energy Research Institute

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