{"created":"2023-05-15T14:39:53.921093+00:00","id":54753,"links":{},"metadata":{"_buckets":{"deposit":"f5611377-effd-463b-a75e-abe941523b9c"},"_deposit":{"created_by":1,"id":"54753","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"54753"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00054753","sets":["2"]},"author_link":["559779","559771","559780","559778","559774","559776","559767","559765","559766","559770","559777","559769","559773","559768","559781","559775","559772"],"item_10003_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2016-11","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"825","bibliographicPageStart":"823","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":"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. 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Smirnov, Physics of Particles and Nuclei 46 pp. 940-955 (2015) ** OPERA-3D, Cobham plc http://www.cobham.com/ ","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/TUP0/TUP007.pdf"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"http://www.pasj.jp/web_publish/pasj2016/proceedings/PDF/TUP0/TUP007.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":"中尾, 政夫"}],"nameIdentifiers":[{"nameIdentifier":"559765","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"北條, 悟"}],"nameIdentifiers":[{"nameIdentifier":"559766","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"片桐, 健"}],"nameIdentifiers":[{"nameIdentifier":"559767","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"杉浦, 彰則"}],"nameIdentifiers":[{"nameIdentifier":"559768","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"野田, 章"}],"nameIdentifiers":[{"nameIdentifier":"559769","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"宮原, 信幸"}],"nameIdentifiers":[{"nameIdentifier":"559770","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"涌井, 崇志"}],"nameIdentifiers":[{"nameIdentifier":"559771","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"野田, 耕司"}],"nameIdentifiers":[{"nameIdentifier":"559772","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"後藤, 彰（理研）"}],"nameIdentifiers":[{"nameIdentifier":"559773","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"中尾 政夫","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"559774","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"北條 悟","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"559775","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"片桐 健","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"559776","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"杉浦 彰則","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"559777","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"野田 章","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"559778","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"宮原 信幸","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"559779","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"涌井 崇志","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"559780","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"野田 耕司","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"559781","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":"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":"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":"54753","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":"2023-05-15T22:57:11.174635+00:00"}