{"created":"2023-05-15T14:39:53.876957+00:00","id":54752,"links":{},"metadata":{"_buckets":{"deposit":"2ad5b2db-8b93-4403-889c-28104976fbe4"},"_deposit":{"created_by":1,"id":"54752","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"54752"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00054752","sets":["2"]},"author_link":["559762","559758","559763","559764","559756","559761","559757","559755","559760","559759"],"item_10003_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2016-11","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"228","bibliographicPageStart":"225","bibliographic_titles":[{"bibliographic_title":"第13回日本加速器学会年会プロシーディングス"}]}]},"item_10003_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"重粒子線治療において，PET装置で照射野をリアルタイムに検証する技術を実現するために，Isotope Separation On-Line (ISOL)法により11CビームをHIMACシンクロトロンから供給することを計画している．この方法では，小型サイクロトロンによるプロトン照射で生成された11C分子をイオン化して加速する．このイオン化のプロセスでは，まず1価イオンを生成し不要な同位体を分離した後に，目的の11C+イオンをEBISイオン源に入射して荷電増幅を行う．このISOLシステムに用いる低エネルギー電子ビーム1価イオン源の開発を現在進めている．限られた生成量の11C分子から，治療に要求される量の11Cイオンを生成するためには，1価イオン源は少なくとも~0.1%のC+イオンの生成効率を達成しなければならない．このイオン化効率を得るためには，イオン源内ドリフトチューブにおける電子ビーム実効電流量が100 mA以上必要であると見積もられている．この実効電流量を達成するために，イオン源内電極構造の最適化を行った．この最適化は，新たに開発したPIC (Particle in Cell) 法を用いた3次元粒子計算コードにより，電子ビームの軌道を解析することで行った．本発表では，これらの計算結果と実験結果の比較を示すと共に，最適化されたイオン源の性能を議論する．","subitem_description_type":"Abstract"}]},"item_10003_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"日本加速器学会"}]},"item_10003_relation_17":{"attribute_name":"関連サイト","attribute_value_mlt":[{"subitem_relation_name":[{"subitem_relation_name_text":"http://www.pasj.jp/web_publish/pasj2016/proceedings/PDF/WEOL/WEOL10.pdf"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"http://www.pasj.jp/web_publish/pasj2016/proceedings/PDF/WEOL/WEOL10.pdf","subitem_relation_type_select":"URI"}}]},"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":"片桐, 健"}],"nameIdentifiers":[{"nameIdentifier":"559755","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"野田, 章"}],"nameIdentifiers":[{"nameIdentifier":"559756","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"永津, 弘太郎"}],"nameIdentifiers":[{"nameIdentifier":"559757","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"涌井, 崇志"}],"nameIdentifiers":[{"nameIdentifier":"559758","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"野田, 耕司"}],"nameIdentifiers":[{"nameIdentifier":"559759","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"片桐 健","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"559760","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"野田 章","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"559761","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"永津 弘太郎","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"559762","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"涌井 崇志","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"559763","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"野田 耕司","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"559764","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 paper","resourceuri":"http://purl.org/coar/resource_type/c_5794"}]},"item_title":"3 次元PIC 解析による重粒子線治療ISOL システム用1 価イオン源の最適化","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"3 次元PIC 解析による重粒子線治療ISOL システム用1 価イオン源の最適化"}]},"item_type_id":"10003","owner":"1","path":["2"],"pubdate":{"attribute_name":"公開日","attribute_value":"2017-04-05"},"publish_date":"2017-04-05","publish_status":"0","recid":"54752","relation_version_is_last":true,"title":["3 次元PIC 解析による重粒子線治療ISOL システム用1 価イオン源の最適化"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-15T22:57:11.890907+00:00"}