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Characterization of Real-Time Neutron Dosimeters and Application to Aircrew Dosimeters

Research Project

Project/Area Number 21510062
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Risk sciences of radiation/Chemicals
Research InstitutionNational Institute of Radiological Sciences

Principal Investigator

TAKADA Masashi  独立行政法人放射線医学総合研究所, 緊急被ばく医療研究センター, 主任研究員 (50291109)

Co-Investigator(Renkei-kenkyūsha) KAMADA So  独立行政法人放射線医学総合研究所, 緊急被ばく医療研究センター, 博士研究員 (30581649)
Project Period (FY) 2009 – 2011
Project Status Completed (Fiscal Year 2011)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2011: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2010: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2009: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Keywords中性子 / モンテカルロコード / シリコン半導体検出器 / 陽子 / 航空機 / 線量計 / シリコン半導体
Research Abstract

Overestimation of neutron doses at aviation altitudes have been induced from direct detection of cosmic protons but we found this overestimation could be due to high-energy neutron detections. We conducted experiments and simulations of response functions of neutron dosimeters. The experiments and simulations were done using mono-energy neutron sources produced by the accelerators, and using the Monte Carlo code, respectively. In the simulation, we added new energy deposition model, considering the Funneling phenomena. From our results, we will measure accurate neutron doses.

Report

(4 results)
  • 2011 Annual Research Report   Final Research Report ( PDF )
  • 2010 Annual Research Report
  • 2009 Annual Research Report
  • Research Products

    (7 results)

All 2012 2011

All Journal Article (2 results) (of which Peer Reviewed: 1 results) Presentation (5 results)

  • [Journal Article] Measuring Cosmic-Ray Exposure in Aircraft Using Real-Time Personal Dosimeters2012

    • Author(s)
      M. Takada, T. Nunomiya, T. Ishikura, T. Nakamura, B. J. Lewis, L. G. I. Bennett, I. L. Getley, B. H. Bennett
    • Journal Title

      Radiation Protection Dosimetry

      Volume: Vol.49(2) Pages: 169-176

    • Related Report
      2011 Final Research Report
  • [Journal Article] Measuring Cosmic-Ray Exposure in Aircraft Using Rcal-Time Personal Dosimeters2012

    • Author(s)
      M.Takada, T.Nunomiya, T.Ishikura, T.Nakamura, B.J.Lewis, L.G.I.Bennett, I.L.Getley, B.H.Bennett
    • Journal Title

      Radiation Protection Dosimetry

      Volume: Vol.149(2) Issue: 4 Pages: 169-176

    • DOI

      10.1093/rpd/ncm214

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Presentation] Neutron Response Functions of Silicon-based Real-time Personal Neutron Dosimeter : Experiments and Simulations2011

    • Author(s)
      M.Takada, So.Kamada, T.Nunomiya, S.Abe, T.Ishikura, T.Matumoto, A.Masuda, H.Harano, T.Nakamura
    • Organizer
      the Sixth International Symposium on Radiation Safety and Detection Technology (ISORD-6)
    • Place of Presentation
      Langkawi, Malysia
    • Year and Date
      2011-07-13
    • Related Report
      2011 Annual Research Report
  • [Presentation] 中性子検出器シリコン素子の高速中性子に対する実測とシミュレーションによる応答関数の評価2011

    • Author(s)
      高田真志, 他
    • Organizer
      日本原子力学会 春の大会
    • Place of Presentation
      福井大学文京キャンパス・福井市
    • Year and Date
      2011-03-30
    • Related Report
      2010 Annual Research Report
  • [Presentation] 高速中性子センサーの応答特性の評価(実測とシュミレーション)2011

    • Author(s)
      高田真志、鎌田創、布宮智也、安部繁、石倉剛、中村尚司、松本哲郎、増田明彦、原野英樹
    • Organizer
      日本原子力学会「2011年秋の大会」
    • Place of Presentation
      北九州国際会議場
    • Related Report
      2011 Annual Research Report 2011 Final Research Report
  • [Presentation] Neutron Response Functions of Silicon-based Real-time Personal Neutron Dosimeter : Experiments and Simulations2011

    • Author(s)
      M. Takada, S. Kamada, T. Nunomiya, S. Abe, T. Ishikura, T. Matumoto, A. Masuda, H. Harano, T. Nakamura
    • Organizer
      The Sixth International Symposium on Radiation Safety and Detection Technology(ISORD-6)
    • Place of Presentation
      Langkawi, Malysia
    • Related Report
      2011 Final Research Report
  • [Presentation] 中性子検出器シリコン素子の高速中性子に対する実測とシミュレーションによる応答関数の評価2011

    • Author(s)
      高田真志、鎌田創、布宮智也、安部繁、石倉剛、中村尚司、松本哲郎、増田明彦、原野英樹
    • Organizer
      日本原子力学会「2011年春の大会」
    • Place of Presentation
      福井大学
    • Related Report
      2011 Final Research Report

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Published: 2009-04-01   Modified: 2016-04-21  

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