{"created":"2023-05-15T14:39:54.360619+00:00","id":54763,"links":{},"metadata":{"_buckets":{"deposit":"834676fb-a8ca-4314-9520-931acdcd7ef8"},"_deposit":{"created_by":1,"id":"54763","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"54763"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00054763","sets":["2"]},"author_link":["559888","559885","559887","559886","559883","559882","559884"],"item_10003_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2016-08","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"386","bibliographicPageStart":"383","bibliographic_titles":[{"bibliographic_title":"Proceedings of the 13th Annual Meeting of Particle Accelerator Society of Japan"}]}]},"item_10003_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"超伝導加速空洞は高いQL値を持ち、加速電圧やRF位相等の揺らぎ(マイクロフォニックス)が容易に生じる。cERLの9セル主加速超伝導空胴空洞は実際の加速器運転時に加速電圧とRF位相に揺らぎが観測されており、LLRF制御によりこれら揺らぎを抑制している。cERL主加速空洞は将来的に更に高いQL値により運転を行う可能性があり、LLRFの負荷を軽減するためにRF揺らぎの原因調査を実施した。RF揺らぎは9セル主加速空洞に伝わる機械振動が原因と考えられ、空洞と周辺構造物の振動測定を行うことにより、原因の機械振動モードの一つを突き止めることができた。本稿ではcERL主加速空洞とそれを格納するクライオモジュールの振動状況とRF揺らぎを起こす原因及びその回避策について述べる。","subitem_description_type":"Abstract"}]},"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/MOP0/MOP025.pdf"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"http://www.pasj.jp/web_publish/pasj2016/proceedings/PDF/MOP0/MOP025.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":"江木昌史"}],"nameIdentifiers":[{"nameIdentifier":"559882","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"梅森健成"}],"nameIdentifiers":[{"nameIdentifier":"559883","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"江並和宏"}],"nameIdentifiers":[{"nameIdentifier":"559884","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"阪井寛志"}],"nameIdentifiers":[{"nameIdentifier":"559885","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"沢村, 勝"}],"nameIdentifiers":[{"nameIdentifier":"559886","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"古屋貴章"}],"nameIdentifiers":[{"nameIdentifier":"559887","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"沢村 勝","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"559888","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":"cERL 9 セル空洞のマイクロフォニックス原因調査","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"cERL 9 セル空洞のマイクロフォニックス原因調査"}]},"item_type_id":"10003","owner":"1","path":["2"],"pubdate":{"attribute_name":"公開日","attribute_value":"2017-04-28"},"publish_date":"2017-04-28","publish_status":"0","recid":"54763","relation_version_is_last":true,"title":["cERL 9 セル空洞のマイクロフォニックス原因調査"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-15T22:57:04.140218+00:00"}