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Secondary neutron measurements in proton therapy with nuclear emulsion technology.

Research Project

Project/Area Number 16H07116
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeSingle-year Grants
Research Field Medical Physics and Radiological Technology
Research InstitutionNagoya City University

Principal Investigator

Kimura Mitsuhiro  名古屋市立大学, 大学院医学研究科, 研究員 (90782334)

Project Period (FY) 2016-08-26 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Fiscal Year 2017: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2016: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywords放射線医学 / 医学物理 / 放射線がん治療 / 放射線 / 陽子線治療 / 二次中性子 / 原子核乾板 / 医療・福祉 / 癌
Outline of Final Research Achievements

We have evaluated detection capability of nuclear emulsion with submicron spatial resolution in order to investigate energy and spatial distributions for secondary neutrons induced by proton therapy. The Geant4 simulation was performed to optimize a detector construction, and test experiments were conducted to irradiate a water phantom with a therapeutic proton beam. Several experiments allowed us to detect clear recoil proton tracks in an emulsion film and reconstruct ten million tracks in the detector.

Report

(3 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Annual Research Report
  • Research Products

    (4 results)

All 2017

All Presentation (4 results) (of which Int'l Joint Research: 1 results)

  • [Presentation] 原子核乾板技術を用いた陽子線がん治療の高精度化にむけた研究2017

    • Author(s)
      木村充宏,歳藤利行
    • Organizer
      第31回固体飛跡検出器研究会
    • Place of Presentation
      量子科学技術研究開発機構関西光科学研究所(京都府木津市)
    • Year and Date
      2017-03-09
    • Related Report
      2016 Annual Research Report
  • [Presentation] 原子核乾板技術を用いた陽子線がん治療中に生じる即発ガンマ線、二次中性子の測定2017

    • Author(s)
      木村充宏
    • Organizer
      日本写真学会2017年度年次大会
    • Related Report
      2017 Annual Research Report
  • [Presentation] Fast and ultrafast neutron measurements in proton therapy2017

    • Author(s)
      Mitsuhiro Kimura
    • Organizer
      International Conference on Materials and Systems for Sustainability 2017 (ICMaSS2017)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 原子核乾板技術が切り拓く陽子線がん治療の未来2017

    • Author(s)
      木村充宏,歳藤利行
    • Organizer
      日本写真学会原子核乾板研究会
    • Place of Presentation
      名古屋大学(名古屋市千種区)
    • Related Report
      2016 Annual Research Report

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Published: 2016-09-02   Modified: 2019-03-29  

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