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J Korean Soc Ther Radiol > Volume 10(1); 1992 > Article
Journal of the Korean Society for Therapeutic Radiology 1992;10(1): 115-120.
High Energy Photon Beam Modeling Using Transport Theory for Calculation of Absorbed Dose Distribution
Dong Rak Choi, Ha Chung Chun, Myung Za Lee
1Department of Radiology, Catholic University Medical College, Seoul, Korea.
2Department of Therapeutic Radiology, Hanyang University Hospital, Seoul, Korea.
ABSTRACT
A mathematical model is presented for the calculation of the depth absorbed dose in water phantom irradiated by high energy Photon beam(10MV X-ray), based on transport theory. The parameters of this model are obtained from the experimental values which were simulated by non-linear regression process method. The calculated absorbed dose distribution is extended to 3-D by using trial function from beam profile field sizes, SSD and depth in water phantom irradiated by high energy Photon beam. The calculated values using this model are in good agreement with the measured values.
Key Words: Dosimetry, Transport theory, PDD
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