Verification of a Quantitative Method of Uranium238 in the Radioactive Waste Using Photon Occurred by Compton Effect

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  • YOKOYAMA Kaoru
    Japan Atomic Energy Agency, Sector of Decommissioning and Radioactive Waste Management, Ningyo-toge Environmental Engineering Center
  • HATA Haruhi
    Japan Atomic Energy Agency, Sector of Decommissioning and Radioactive Waste Management, Ningyo-toge Environmental Engineering Center
  • NAGANUMA Masaki
    Japan Atomic Energy Agency, Sector of Decommissioning and Radioactive Waste Management, Ningyo-toge Environmental Engineering Center
  • OHARA Yoshiyuki
    Japan Atomic Energy Agency, Sector of Decommissioning and Radioactive Waste Management, Ningyo-toge Environmental Engineering Center
  • ISHIMORI Yuu
    Japan Atomic Energy Agency, Sector of Decommissioning and Radioactive Waste Management, Ningyo-toge Environmental Engineering Center

Bibliographic Information

Other Title
  • 放射性廃棄物中のウラン238量のコンプトン散乱を用いた定量手法の検証
  • ホウシャセイ ハイキブツ チュウ ノ ウラン 238リョウ ノ コンプトン サンラン オ モチイタ テイリョウ シュホウ ノ ケンショウ

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Abstract

The authors developed a new analysis technique(hereinafter referred to as the equivalent model) which calculates the amount of uranium by correcting the influence of uneven distribution of the uranium. The gamma rays(766keV, 1001keV) emitted from Pa-234m are used in the equivalent model. The quantity error is decided by the gamma ray with the small counting rate. The way to get the high counting rate is considered to reduce the quantity error. Many gamma rays are scattered by the Compton effect in radioactive waste. We applied the scattered gamma ray with the high count rate to equivalent model. As a result, it becomes possible to reduce the quantity error of uranium quantitative determination.

Journal

  • RADIOISOTOPES

    RADIOISOTOPES 64 (11), 687-696, 2015

    Japan Radioisotope Association

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