{"_buckets": {"deposit": "74ce773f-d032-41f6-ae85-217c6882cc29"}, "_deposit": {"created_by": 1, "id": "65943", "owners": [1], "pid": {"revision_id": 0, "type": "depid", "value": "65943"}, "status": "published"}, "_oai": {"id": "oai:repo.qst.go.jp:00065943", "sets": ["29"]}, "author_link": ["649541", "649556", "649542", "649545", "649554", "649560", "649568", "649565", "649543", "649547", "649548", "649536", "649553", "649559", "649558", "649539", "649544", "649564", "649562", "649552", "649540", "649557", "649551", "649550", "649549", "649546", "649566", "649567", "649555", "649563", "649561", "649537", "649538"], "item_10005_date_7": {"attribute_name": "発表年月日", "attribute_value_mlt": [{"subitem_date_issued_datetime": "2016-08-10", "subitem_date_issued_type": "Issued"}]}, "item_10005_description_5": {"attribute_name": "抄録", "attribute_value_mlt": [{"subitem_description": "粒子線がん治療において、粒子ビームを患者に対して任意の角度から照射可能とさせる回転ガントリーは重要な装置であり、陽子線がん治療装置では標準採用されるに至っている。一方、炭素線用回転ガントリーは、搭載される電磁石に必要な磁気剛性が陽子線用のそれに比べ約３倍高いことから、電磁石群やそれらを支える構造体のサイズ・重量が非常に大型となる。現在、炭素線用回転ガントリーは世界で唯一、ハイデルベルグに建設され稼働中であるが、その回転部重量は600tを超えると報告されている。我々は回転ガントリーの小型・軽量化のため、超伝導回転ガントリーの開発を進めてきた。この回転ガントリーは主に10台の超伝導電磁石と、1対のスキャニング電磁石により構成されており、最大430 MeV/uの炭素イオンを患者に対し0-360度の如何なる方向からも高速3次元スキャニング法にて照射を行うことができる。また、二極・四極磁場が同時発生且つ、独立励磁可能な機能結合型超伝導電磁石を採用することで、全長14m、ビーム軌道半径5.5m、重量約300tと大幅な小型・軽量化を実現している。超伝導回転ガントリーは製造後、平成27年初頭より放医研への輸送並びに組立工事が行われ、同年9月に完成した。その後、ビームコミッショニングが行われ、所期の性能が得られていることを確認した。本発表では超伝導回転ガントリー研究開発の概要、並びにビームコミッショニング結果について紹介する。", "subitem_description_type": "Abstract"}]}, "item_10005_description_6": {"attribute_name": "会議概要（会議名, 開催地, 会期, 主催者等）", "attribute_value_mlt": [{"subitem_description": "第13回日本加速器学会年会", "subitem_description_type": "Other"}]}, "item_access_right": {"attribute_name": "アクセス権", "attribute_value_mlt": [{"subitem_access_right": "metadata only access", "subitem_access_right_uri": 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