{"created":"2023-05-15T14:59:01.707369+00:00","id":80085,"links":{},"metadata":{"_buckets":{"deposit":"c6ae50f9-8a75-4077-8d6b-17eff40e46eb"},"_deposit":{"created_by":1,"id":"80085","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"80085"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00080085","sets":["1"]},"author_link":["879522","879524","879523","879526","879530","879532","879527","879525","879529","879521","879531","879528"],"item_8_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2020-06","bibliographicIssueDateType":"Issued"},"bibliographicVolumeNumber":"23","bibliographic_titles":[{"bibliographic_title":"Physical Review Accelerator and Beams"}]}]},"item_8_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"3GeV次世代放射光施設や将来的3GeV軟X線自由電子レーザー（XFEL）にも使用可能な高輝度電子ビーム生成を可能とする電子源システムを開発した。グリッド付き熱カソード50kV電子銃の直後に、500kVまで加速可能な238MHz高周波加速空胴を設置した。グリッド電圧の最適化により低エミッタンスビームを生成し、電子銃と空胴間の距離を極限まで短くして加速することでエミッタンス劣化を防止した。電子銃テストスタンドを構築して実験を行い、電荷1nC、パルス幅0.7ns以下の電子バンチを生成し、その60%エミッタンス1.7mm-mradを達成し、シミュレーションとよく一致した。軟XFELに充分使える高性能を示した。","subitem_description_type":"Abstract"}]},"item_8_relation_14":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"10.1103/PhysRevAccelBeams.23.063401","subitem_relation_type_select":"DOI"}}]},"item_8_relation_17":{"attribute_name":"関連サイト","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://journals.aps.org/prab/abstract/10.1103/PhysRevAccelBeams.23.063401","subitem_relation_type_select":"URI"}}]},"item_8_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2469-9888","subitem_source_identifier_type":"ISSN"}]},"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":"Asaka, Takao"}],"nameIdentifiers":[{"nameIdentifier":"879521","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Inagaki, Takahiro"}],"nameIdentifiers":[{"nameIdentifier":"879522","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Magome, Tamotsu"}],"nameIdentifiers":[{"nameIdentifier":"879523","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Nishimori, Nobuyuki"}],"nameIdentifiers":[{"nameIdentifier":"879524","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Otake, Yuji"}],"nameIdentifiers":[{"nameIdentifier":"879525","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Taniuchi, Tsutomu"}],"nameIdentifiers":[{"nameIdentifier":"879526","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Yanagida, Kenich"}],"nameIdentifiers":[{"nameIdentifier":"879527","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Tanaka, Hitoshi"}],"nameIdentifiers":[{"nameIdentifier":"879528","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Asaka, Takao","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"879529","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Magome, Tamotsu","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"879530","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Nishimori, Nobuyuki","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"879531","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Tanaka, Hitoshi","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"879532","nameIdentifierScheme":"WEKO"}]}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"A low-emittance radio-frequency (RF) electron gun using a gridded thermionic-cathode","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"A low-emittance radio-frequency (RF) electron gun using a gridded thermionic-cathode"}]},"item_type_id":"8","owner":"1","path":["1"],"pubdate":{"attribute_name":"公開日","attribute_value":"2020-06-17"},"publish_date":"2020-06-17","publish_status":"0","recid":"80085","relation_version_is_last":true,"title":["A low-emittance radio-frequency (RF) electron gun using a gridded thermionic-cathode"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-15T21:42:08.883629+00:00"}