{"created":"2023-05-15T14:38:05.389338+00:00","id":49142,"links":{},"metadata":{"_buckets":{"deposit":"243d348e-6325-4ce7-9a44-a229ee974328"},"_deposit":{"created_by":1,"id":"49142","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"49142"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00049142","sets":["1"]},"author_link":["757792","757799","757794","757793","757803","757807","757800","757791","757788","757802","757785","757798","757796","757804","757805","757795","757806","757797","757786","757784","757789","757801","757790","757787","757783","757808"],"item_8_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2002-10","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"252","bibliographicPageStart":"241","bibliographicVolumeNumber":"492","bibliographic_titles":[{"bibliographic_title":"Nuclear Instruments and Methods in Physics Research A"}]}]},"item_8_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"The RF-knockout (RF-KO) slow-extraction method with frequency modulation (FM) and amplitude modulation (AM) has brought high-accuracy irradiation to the treatment ofa cancer tumor moving with respiration, because of a quick response to beam start/stop. However, a beam spill extracted from a synchrotron ring through RF-KO slowextraction has a huge ripple with a frequency of around 1 kHz related to the FM. The spill ripple will disturb the lateral dose distribution in the beam scanning methods. Thus, the source ofthe spill ripple has been investigated through experiments and simulations. There are two tune regions for the extraction process through the RF-KO method: the\nextraction region and the diffusion region. The particles in the extraction region can be extracted due to amplitude growth through the transverse RF field, only when its frequency matches with the tune in the extraction region. For a large chromaticity, however, the particles in the extraction region can be extracted through the synchrotron oscillation, even when the frequency does not match with the tune in the extraction region. Thus, the spill structure during one\nperiod ofthe FM strongly depends on the horizontal chromaticity. They are repeated with the repetition frequency of the FM, which is the very source ofthe spill ripple in the RF-KO method.","subitem_description_type":"Abstract"}]},"item_8_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"Elsevier"}]},"item_8_relation_14":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"10.1016/S0168-9002(02)01318-9","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://www.sciencedirect.com/science/article/pii/S0168900202013189","subitem_relation_type_select":"URI"}}]},"item_8_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0168-9002","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":"野田, 耕司"}],"nameIdentifiers":[{"nameIdentifier":"757783","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"noda"}],"nameIdentifiers":[{"nameIdentifier":"757784","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"古川, 卓司"}],"nameIdentifiers":[{"nameIdentifier":"757785","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"furukawa"}],"nameIdentifiers":[{"nameIdentifier":"757786","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"渋谷, 真二"}],"nameIdentifiers":[{"nameIdentifier":"757787","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"shibuya"}],"nameIdentifiers":[{"nameIdentifier":"757788","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"村松, 正幸"}],"nameIdentifiers":[{"nameIdentifier":"757789","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"muramatsu"}],"nameIdentifiers":[{"nameIdentifier":"757790","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"上杉, 智教"}],"nameIdentifiers":[{"nameIdentifier":"757791","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"uesugi"}],"nameIdentifiers":[{"nameIdentifier":"757792","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"金澤, 光隆"}],"nameIdentifiers":[{"nameIdentifier":"757793","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"kanazawa"}],"nameIdentifiers":[{"nameIdentifier":"757794","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"取越, 正己"}],"nameIdentifiers":[{"nameIdentifier":"757795","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"torikoshi"}],"nameIdentifiers":[{"nameIdentifier":"757796","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"高田, 栄一"}],"nameIdentifiers":[{"nameIdentifier":"757797","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"takada"}],"nameIdentifiers":[{"nameIdentifier":"757798","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"山田, 聰"}],"nameIdentifiers":[{"nameIdentifier":"757799","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Noda, Koji","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"757800","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Furukawa, Takuji","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"757801","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Shibuya, Shinnji","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"757802","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Muramatsu, Masayuki","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"757803","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Uesugi, Tomonori","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"757804","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Kanazawa, Mitsutaka","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"757805","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Torikoshi, Masami","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"757806","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Takada, Eiichi","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"757807","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Yamada, Satoru","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"757808","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":"Source of spill ripple in the RF-KO slow-extraction method with FM and AM","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Source of spill ripple in the RF-KO slow-extraction method with FM and AM"}]},"item_type_id":"8","owner":"1","path":["1"],"pubdate":{"attribute_name":"公開日","attribute_value":"2018-08-09"},"publish_date":"2018-08-09","publish_status":"0","recid":"49142","relation_version_is_last":true,"title":["Source of spill ripple in the RF-KO slow-extraction method with FM and AM"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-16T00:46:34.735859+00:00"}