{"created":"2023-05-15T14:47:30.959028+00:00","id":65152,"links":{},"metadata":{"_buckets":{"deposit":"92814304-7d31-45e5-9a67-92b499eebdda"},"_deposit":{"created_by":1,"id":"65152","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"65152"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00065152","sets":["10:29"]},"author_link":["641940","641947","641952","641953","641945","641938","641943","641954","641944","641951","641955","641941","641948","641957","641949","641956","641946","641942","641939","641950"],"item_10005_date_7":{"attribute_name":"発表年月日","attribute_value_mlt":[{"subitem_date_issued_datetime":"2013-09-20","subitem_date_issued_type":"Issued"}]},"item_10005_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"我々は、物理的に開放された空間を3次元画像化できる、世界初の開放型PET装置OpenPETを2008年に提案し(Yamaya PMB 53 p757 2008)、粒子線治療における照射野イメージングや、直接的な腫瘍トラッキングの実現を目指している。2012年には、第二世代OpenPETとして、円筒を平行な2つの斜面で切り取ったようなSingle-Ring OpenPETを2012年に発表した(Tashima PMB 57 p4705 2012)。今回、リング状に並べた検出器の各々が体軸方向に独立して動くようにした可変型の検出器配置を提案し、小型試作機を開発して実証したので発表する。可変機構によって、通常のPET装置とOpenPETが同一装置で実現できるようになるため、装置の応用範囲が広がると考えた。開発装置では、GSO結晶とフラットパネル光電子増倍管H8500で構成される4層DOI検出器を体軸方向に2つ並べたユニットを、リング状に16個配置した。ひとつの手動ハンドルによって、10秒程度で変形できる。まずファントム実験によって、どちらのモードでも同等の断層像が得られることを確認した後、重粒子線がん治療装置HIMACに持ち込みファントム実験を行った結果、開発装置による照射野イメージング性能が実証された。","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":"2013年　秋季　第74回応用物理学会秋季学術講演会","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":"http://purl.org/coar/access_right/c_14cb"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"山谷, 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祥之","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"641953","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"稲玉 直子","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"641954","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"品地 哲弥","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"641955","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"羽石 秀昭","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"641956","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"菅 幹生","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"641957","nameIdentifierScheme":"WEKO"}]}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"conference 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