Precise Intensity Measurements in the ^<14>N(n, γ)^<15>N Reaction as a γ-Ray Intensity Standard up to 11MeV

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概要

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• The main γ-ray intensities in the 14N(n, γ)15N reaction were determined at an accuracy of 0.3–1.0% based on the intensity balance principle. Measurements were performed at the supermirror neutron guide tube at the Kyoto University reactor (KUR). A liquid nitrogen target and a deuterated melamine (C3D6N6) one were used. We prepared a full-energy-peak efficiency curve by combining the measured and calculated efficiency curves. The previous values widely used as intensity standards agreed with the present results within 4–5% in the 2–11 MeV region, but the ratio to the present values showed a monotonic decrease with the increase in γ-ray energy. The results reported by Belgya in 2006 agreed with the present one within 2–3% in the 2–8 MeV region; nevertheless, the ratio showed a small oscillation versus γ-ray energy.

• 2008-06-01

著者

• Hayashi Hiroaki

  Graduate School of Agricultural and Life Sciences, The University of Tokyo

• Kawade K

  Nagoya Univ. Nagoya

• Kawade Kiyoshi

  Graduate School Of Engineering Nagoya University

• Kawade Kiyoshi

  Department Of Energy Engineering And Science Nagoya University

• HARADA Hideo

  Nuclear Science and Engineering Directorate, Japan Atomic Energy Agency (JAEA)

• SHIBATA MICHIHIRO

  Radioisotope Research Center, Nagoya University

• Sakane Hitoshi

  Graduate School Of Engineering Nagoya University

• TANIGUCHI Akihiro

  Research Reactor Institute, Kyoto University

• Taniguchi Akihiro

  Research Reactor Institute Kyoto University

• MIYAZAKI Itaru

  Graduate School of Engineering, Nagoya University

• TAKAYAMA Hirokazu

  Graduate School of Engineering, Nagoya University

• KASAISHI Masafumi

  Graduate School of Engineering, Nagoya University

• TOJO Akinori

  Graduate School of Engineering, Nagoya University

• FURUTA Masataka

  Graduate School of Engineering, Nagoya University

• SUEMATSU Osamu

  Graduate School of Engineering, Nagoya University

• NARASAKI Hiromichi

  Graduate School of Engineering, Nagoya University

• SHIMIZU Toshiaki

  Graduate School of Engineering, Nagoya University

• Tojo Akinori

  Graduate School Of Engineering Nagoya University

• Suematsu Osamu

  Graduate School Of Engineering Nagoya University

• Miyazaki Itaru

  Graduate School Of Engineering Nagoya University

• Furuta Masataka

  Graduate School Of Engineering Nagoya University

• Shibata M

  Radioisotope Research Center Nagoya University

• Takayama Hirokazu

  Graduate School Of Engineering Nagoya University

• Kasaishi Masafumi

  Graduate School Of Engineering Nagoya University

• Taniguchi A

  Research Reactor Institute Kyoto University

• Hayashi Hiroaki

  Graduate School Of Engineering Nagoya University

• Harada Hideo

  Nuclear Science And Engineering Directorate Japan Atomic Energy Agency

• Narasaki Hiromichi

  Graduate School Of Engineering Nagoya University

• Shimizu Toshiaki

  Graduate School Of Engineering Nagoya University

• Harada Hideo

  Nuclear Engineering Research Collaboration Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan

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