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2012 Fiscal Year Final Research Report

Research for evaluation and improvement of proton delivery precision on new proton therapy system.

Research Project

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Project/Area Number 22791227
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Radiation science
Research InstitutionFujita Health University

Principal Investigator

NAOKI Hayashi  藤田保健衛生大学, 医療科学部, 講師 (00549884)

Project Period (FY) 2010 – 2012
Keywords陽子線治療 / 品質管理 / 照射精度 / 線量測定
Research Abstract

The purpose of this study was to establish the procedure for evaluating/improving the delivery precision using a new proton therapy system. Firstly, we investigated the radiologic behavior of proton beam by use of Monte Carlo simulation. Secondly, we evaluated several detectors for measuring the radiation dose from proton beam. As results, we estimated that the energy-loss of proton beam was happened at the irradiation-port of proton therapy system. Furthermore, we particularly made sure the characteristics of radiosensitive polymer gel dosimeter and radiochromic films. In conclusion, these tools are useful for proton beam dosimetry.

  • Research Products

    (8 results)

All 2012 2011 2010 Other

All Journal Article (2 results) Presentation (5 results) Remarks (1 results)

  • [Journal Article] Evaluation of triple channel correction acquisition method for radiochromic film dosimetry2012

    • Author(s)
      Hayashi N, Watanabe Y, Malmin R, Kato H
    • Journal Title

      Journal of Radiation Research

      Volume: Vol.53 Pages: 930-935

  • [Journal Article] Errorsintroduced by dose scaling relative dosimetry2012

    • Author(s)
      Watanabe Y and Hayashi N
    • Journal Title

      Journal of Applied Clinical Medical Physics

      Volume: Vol.13(5) Pages: 269-281

  • [Presentation] Dosimetric characteristics of gafchromic EBT3 films for megavoltage photon and proton beams.2012

    • Author(s)
      Hayashi N, Kato H, Yada R, Matsunaga T, Ehara I, Adachi Y
    • Organizer
      The 54th annual meeting of American Association of Physicists in Medicine
    • Place of Presentation
      Charlotte, NC
    • Year and Date
      20120729-0802
  • [Presentation] Takuma Matsunaga Dosimetric characteristics of a new radiochromic film (GAFCHROMIC EBT3).2012

    • Author(s)
      Naoki Hayashi, Isao Ehara, Hideki Kato, Ryuichi Yada, Yoshiaki Kato, Rena Yamanaka
    • Organizer
      第103回日本医学物理学会総会学術大会
    • Place of Presentation
      横浜
    • Year and Date
      20120412-15
  • [Presentation] Absorption spectrum analysis of a new radiochromic film. - A comparative study between GAFCHROMIC EBT and EBT2 -.2011

    • Author(s)
      Hayashi N, Fukuma H, Shibamoto Y, NIshii Y, Suzuki Y, Kato H, Kawano M.
    • Organizer
      第100回医学物理学会学術大会
    • Place of Presentation
      東京
    • Year and Date
      20110923-25
  • [Presentation] HidekiKatoUsefulness of triple channel correction for GAFCHROMIC EBT2 film on patient specific quality assurance of IMRT and IMAT.2011

    • Author(s)
      Naoki Hayashi, Yoichi Watanabe,Ryan Malmin, Andre Micke
    • Organizer
      The 53rd annual meeting of American Association of Physicisits in Medicine
    • Place of Presentation
      Vancouver, Canada
    • Year and Date
      20110731-0804
  • [Presentation] Absorption spectra of a new radiochromic film for various energies of therapeutic photon and electron beams.2010

    • Author(s)
      Hayashi N, Fukuma H, Shibamoto Y,Nishii Y, Suzuki Y, Kato H, Teramoto Aand Kawano M.
    • Organizer
      The 52nd annual meeting of American Association of Physiccists in Medicine
    • Place of Presentation
      Philadelphia, PA
    • Year and Date
      20100718-22
  • [Remarks] 研究実施状況は次のホームページにおいて公開している。

    • URL

      http://www.fujita-hu.ac.jp/~hayashi/

URL: 

Published: 2014-08-29  

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