量研学術機関リポジトリ「QST-Repository」は、国立研究開発法人 量子科学技術研究開発機構に所属する職員等が生み出した学術成果（学会誌発表論文、学会発表、研究開発報告書、特許等）を集積しインターネット上で広く公開するサービスです。 Welcome to QST-Repository where we accumulates and discloses the academic research results(Journal Publications, Conference presentation, Research and Development Report, Patent, etc.) of the members of National Institutes for Quantum Science and Technology.
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The treatment planning (TP) of Carbon Ion Therapy at NIRS using a commercial Radiation Treatment Planning that supports the proton passive beam delivery is described. The proton beam model was customized to adapt to the carbon ion beam model. Compared to the currently used TP system more precise dose distributions are obtained with the pencil beam calculations that include the real range compensator data, beam divergence and lateral penumbra. The interface that converts the TP data set into our local format was developed as an external tool. The use of TP tools common to the photon therapy planning is also beneficial.
会議概要（会議名, 開催地, 会期, 主催者等）
14th International Conference on the Use of Computers in Radiation Therapy
Carbon Ion Treatment Planning using a commercial RTP
