Evaluation of imaging plate measurement for activated indium as fast-neutron detector in large radiation field

DOI Web Site 1 Citations 4 References
  • Kobayashi Makoto
    National Institute for Fusion Science, National Institutes of Natural Sciences
  • Nishitani Takeo
    National Institute for Fusion Science, National Institutes of Natural Sciences
  • Kato Akemi
    National Institute for Fusion Science, National Institutes of Natural Sciences
  • Saze Takuya
    National Institute for Fusion Science, National Institutes of Natural Sciences
  • Tanaka Tomoyo
    Nagoya University
  • Yoshihashi Sachiko
    Nagoya University
  • Ogawa Kunihiro
    National Institute for Fusion Science, National Institutes of Natural Sciences / SOKENDAI (The Graduate University for Advanced Studies)
  • Isobe Mitsutaka
    National Institute for Fusion Science, National Institutes of Natural Sciences / SOKENDAI (The Graduate University for Advanced Studies)

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Abstract

The application of imaging plate (IP) method using indium foils to measure the distribution of fast neutron in large area was evaluated in this work. The radioactive nuclides of indium were individually quantified by high-purity germanium detector (HPGe) and chronological IP measurements. The detection efficiencies of each radioactive nuclide for various thicknesses of foil mylar polyester film were summarized. The scope of application for proposed method were clearly dependent on the flux ratio of fast and thermal neutron, limiting the applicable region only being close to the neutron source.

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