{"created":"2023-05-15T14:52:43.161434+00:00","id":71978,"links":{},"metadata":{"_buckets":{"deposit":"7cdd576c-ae01-4ac3-9549-30a2c653b8b9"},"_deposit":{"created_by":1,"id":"71978","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"71978"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00071978","sets":["10:28"]},"author_link":["708935","708930","708937","708940","708941","708929","708939","708934","708932","708931","708938","708943","708933","708928","708927","708942","708936"],"item_10005_date_7":{"attribute_name":"発表年月日","attribute_value_mlt":[{"subitem_date_issued_datetime":"2016-08-09","subitem_date_issued_type":"Issued"}]},"item_10005_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"放医研のAVFサイクロトロンNIRS-930 (Thomson-CSF, Kb=110 MeV, Kf=90 MeV)において、今後のRI生産などの目的に必要となるビームの大強度化、高品質化に向けて、最適な運転パラメータを調査するためにSNOPプログラム*を用いてビームのシミュレーションを行っている。SNOPは3次元電場・磁場データとしてOPERA-3d**によって計算された値を利用している。また、PIC法を用いて空間電荷効果を考慮に入れた多数の粒子のシミュレーションを行うことも可能である。 AVFサイクロトロンにおいて、鉛直方向のチューンνz=0.5の共鳴条件近傍で粒子の鉛直方向の振動が増大してビームロスが起きる可能性がある。シミュレーションによって、ビームバンチ中の加速位相がずれている粒子は、加速位相の合っている粒子に比べて共鳴が起こりやすく、デフレクターのセプタム電極の上下に衝突してビームロスすることが明らかになった。ビーム強度を上げる際にバンチの位相幅も増加すると、共鳴が原因のビームロスも増える。これを避けるための磁場の作成などの方法について報告する。 * V. L. Smirnov, Physics of Particles and Nuclei 46 pp. 940-955 (2015) ** OPERA-3D, Cobham plc http://www.cobham.com/ ","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":"http://purl.org/coar/access_right/c_14cb"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"中尾, 政夫"}],"nameIdentifiers":[{"nameIdentifier":"708927","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"北條, 悟"}],"nameIdentifiers":[{"nameIdentifier":"708928","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"片桐, 健"}],"nameIdentifiers":[{"nameIdentifier":"708929","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"杉浦, 彰則"}],"nameIdentifiers":[{"nameIdentifier":"708930","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"野田, 章"}],"nameIdentifiers":[{"nameIdentifier":"708931","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"宮原, 信幸"}],"nameIdentifiers":[{"nameIdentifier":"708932","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"涌井, 崇志"}],"nameIdentifiers":[{"nameIdentifier":"708933","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"野田, 耕司"}],"nameIdentifiers":[{"nameIdentifier":"708934","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"後藤, 彰（理研）"}],"nameIdentifiers":[{"nameIdentifier":"708935","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"中尾 政夫","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"708936","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"北條 悟","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"708937","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"片桐 健","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"708938","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"杉浦 彰則","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"708939","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"野田 章","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"708940","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"宮原 信幸","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"708941","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"涌井 崇志","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"708942","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"野田 耕司","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"708943","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 object","resourceuri":"http://purl.org/coar/resource_type/c_c94f"}]},"item_title":"サイクロトロンNIRS-930における共鳴によるビームロスを避けるためのシミュレーション研究","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"サイクロトロンNIRS-930における共鳴によるビームロスを避けるためのシミュレーション研究"}]},"item_type_id":"10005","owner":"1","path":["28"],"pubdate":{"attribute_name":"公開日","attribute_value":"2016-08-15"},"publish_date":"2016-08-15","publish_status":"0","recid":"71978","relation_version_is_last":true,"title":["サイクロトロンNIRS-930における共鳴によるビームロスを避けるためのシミュレーション研究"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-15T19:45:11.804623+00:00"}