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The influence of material assignment in a patient geometry for hadron therapy had been studied using GEANT4 simulation. For the purpose of evaluating the influence of material differences, the dose distributions by proton and carbon beams were compared in a homogeneous medium for water and tissue materials, where all mass densities were normalized to 1 g/cm3. The differences were observed in the depth...
Monte Carlo-based radiotherapy simulation has been used to do a high accurate calculation of dose distributions in a patient or an optimization of the beam delivery system. Geant4 toolkit has come to be utilized to build a Monte Carlo simulator for that purpose. We have developed PTSim (Particle Therapy System) that is a simulator of particle therapy simulation based on Geant4. gMocren which is a...
GEANT4 based Monte Carlo simulation has been widely accepted for dose calculation in medical physics. In our previous work, we had developed a GEANT4 based simulation framework for particle therapy system in order to provide a common interface for simulating various irradiation systems. The framework realizes not only comparing simulated results with measurements, but also discussing about the best...
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