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 and Radiological Science and Technology.
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Based 10 years experience of carbon therapy at HIMAC(Heavy Ion Medical Accelerator in Chiba),the new facility project has been in progress at NIRS.This project aims to provide the hospital-based carbon therapyfacility for the benefical treatment around Japan.In the new facility,it is required for the synchrotron to accelerate carbon ions forom 4MeV/u of injection energy to 400MeV/u.the design of the synchrotron was carried out according to the leading design strategies,which are 1)compactness, 2)high reliability and 3)low cost.For this purpose,at the HIMAC,we have carried out following machine studies: a)Macvhing of slowly extracted beam with transport line, b)Reasonance characteristics and beam lifetime, and c)Reproducibility of beam performance.In this paper,the design of the synchrotron dedicated for carbon therapy based on the machine study by HIMAC and the results of the studies are presented.
普及型炭素線がん治療施設用シンクロトロンの設計
