{"created":"2023-05-15T14:37:31.494767+00:00","id":48403,"links":{},"metadata":{"_buckets":{"deposit":"49b8e343-8727-4721-a9a5-4f5096d9cb00"},"_deposit":{"created_by":1,"id":"48403","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"48403"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00048403","sets":["1"]},"author_link":["486528","486531","486529","486522","486527","486533","486523","486526","486532","486530","486525","486524"],"item_8_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2017-07","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"7","bibliographicPageEnd":"258","bibliographicPageStart":"251","bibliographicVolumeNumber":"66","bibliographic_titles":[{"bibliographic_title":"RADIOISOTOPES"}]}]},"item_8_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"ガフクロミックフィルム（Gafchromic film, Ashland製）は，主に医療分野でX線・γ 線の線量分布測定に使用され，イオンビームの強度分布測定にも応用されている。高線量用モデルHD-V2は，感受層が薄く，表面保護層がないため，飛程が短いイオンビームの測定にも適用可能である。しかし，その線量応答は非線形であり，イオン種やエネルギーによる特性の違いが不明であることから，ビーム強度分布測定に利用するためにはその都度，吸光度のフルエンス応答曲線を取得する必要があった。そこで，各種イオンビームの応答曲線が60Coγ線の線量応答曲線に類似していることに着目し，ビーム強度分布の簡便な測定を可能とすることを目的として，γ線の線量応答曲線から直接イオンビームの相対強度分布を求める方法を考案し，実証実験を行った。60Coγ線といくつかのイオンビーム（線エネルギー付与：5.5 keV/μm～11 MeV/μm）において，フラットベッドスキャナES-10000Gを用いた測定の結果，イオン照射応答はγ線照射応答曲線の形状に一致し，フィッティングの良い吸光度範囲の上限はR色成分で0.7，G色成分で0.5程度であることを明らかにした。これにより，イオン種やエネルギーごとのフルエンス応答曲線を取得することが不要となり，各種イオンビームの簡便な相対強度分布測定が可能となった。","subitem_description_type":"Abstract"}]},"item_8_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"日本アイソトープ協会"}]},"item_8_relation_14":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"10.3769/radioisotopes.66.251","subitem_relation_type_select":"DOI"}}]},"item_8_relation_17":{"attribute_name":"関連サイト","attribute_value_mlt":[{"subitem_relation_name":[{"subitem_relation_name_text":"https://www.jstage.jst.go.jp/article/radioisotopes/66/7/66_660703/_pdf"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://www.jstage.jst.go.jp/article/radioisotopes/66/7/66_660703/_pdf","subitem_relation_type_select":"URI"}}]},"item_8_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0033-8303","subitem_source_identifier_type":"ISSN"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"metadata 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