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KMID : 0357520080310010089
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Journal of Radiological Science and Technology
2008 Volume.31 No. 1 p.89 ~ p.95
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Determination of Quality Correction Factors for a Plane-Parallel Chamber in High Energy Electron Beams using Monte Carlo Calculation
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Jeong Dong-Hyeok
Lee Jeong-Ok
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Abstract
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The quality correction factor for used beam and qualities is strongly required for clinical dosimetry by TRS-398 protocol of IAEA. In this study the quality correction factors for a commercial plane-parallel ionization chamber in high energy electron beams were calculated by Monte Carlo code(DOSRZnrc/EGSnrc). In comparison of quality correction factor, the difference between this study and TRS-398 were within 1% in 5-20 MeV. In case of 4MeV the difference was 1.9%. As an independent method of determination of quality correction factor this study can be applied to evaluate values in the protocol or calculate the factor for a new chamber.
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KEYWORD
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Quality Correction Factor, Electron Dosimetry, Monte Carlo
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