学術雑誌論文 Secondary-electron-bremsstrahlung imaging for proton therapy

山口, 充孝  ,  長尾, 悠人  ,  安藤, 昂輝  ,  山本, 誠一  ,  歳藤, 利行  ,  片岡, 淳  ,  河地, 有木

内容記述
A feasibility study on an imaging technique of a therapeutic proton-beam trajectory using a gamma camera by measuring secondary electron bremsstrahlung (SEB) was performed by means of Monte Carlo simulations and a beam-irradiation experiment. From the simulation and experimental results, it was found that a significant amount of SEB yield exists between the beam-injection surface and the range position along the beam axis and the beam trajectory is clearly imaged by the SEB yield. It is concluded that the SEB imaging is a promising technique for monitoring of therapeutic proton-beam trajectories.

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