{"created":"2023-05-15T14:34:34.474940+00:00","id":44677,"links":{},"metadata":{"_buckets":{"deposit":"908b0877-15b8-48dc-ac04-58f4e9ad17b5"},"_deposit":{"created_by":1,"id":"44677","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"44677"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00044677","sets":["1"]},"author_link":["443638","443631","443636","443635","443632","443639","443640","443634","443630","443633","443642","443643","443637","443641"],"item_8_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2006-09","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"4","bibliographicPageEnd":"253","bibliographicPageStart":"247","bibliographicVolumeNumber":"24","bibliographic_titles":[{"bibliographic_title":"Medical Imaging Technology"}]}]},"item_8_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"高性能小動物用DOI-PET装置“ｊPET-RD”を開発するにあたり、検出器ブロックの測定対象への近接化が装置の感度・計数率特性に及ぼす影響を計算機シミュレーションにより評価した。検出器ブロックは1.4×1.4×4.5mm3のLSO結晶を32×32×4に多層配列させたDOI結晶ブロックと256chマルチアノード型光電子増倍管から構成される。本研究では、六角形（断面内視野直径85mm）、四角形(49mm)、ブロックの端の一部を重ねた四角形(38mm）の3つの検出器配置を評価した。体軸方向には検出器ブロックを2個配置し、体軸方向視野は99mmとした。シミュレーション結果により、検出器ブロックを近接させた配置ほど感度は高いが、信号処理回路の不感時間の影響を強く受け、計数率特性は向上しないことがわかった。しかし、1つの検出器ブロックを4つの信号処理回路で読み出すことにより計数率特性が改善することから、近接撮影型DOI-PETの有効性を確認した。","subitem_description_type":"Abstract"}]},"item_8_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0288-450X","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":"小林, 哲哉"}],"nameIdentifiers":[{"nameIdentifier":"443630","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"山谷, 泰賀"}],"nameIdentifiers":[{"nameIdentifier":"443631","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"高橋, 悠"}],"nameIdentifiers":[{"nameIdentifier":"443632","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"北村, 圭司"}],"nameIdentifiers":[{"nameIdentifier":"443633","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"長谷川, 智之"}],"nameIdentifiers":[{"nameIdentifier":"443634","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"村山, 秀雄"}],"nameIdentifiers":[{"nameIdentifier":"443635","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"菅, 幹生"}],"nameIdentifiers":[{"nameIdentifier":"443636","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"小林 哲哉","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"443637","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"山谷 泰賀","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"443638","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"高橋 悠","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"443639","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"北村 圭司","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"443640","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"長谷川 智之","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"443641","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"村山 秀雄","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"443642","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"菅 幹生","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"443643","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":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"検出器配置の異なる近接撮影型DOI-PET装置の計算機モデルによる感度・計数率特性の比較","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"検出器配置の異なる近接撮影型DOI-PET装置の計算機モデルによる感度・計数率特性の比較"}]},"item_type_id":"8","owner":"1","path":["1"],"pubdate":{"attribute_name":"公開日","attribute_value":"2006-10-18"},"publish_date":"2006-10-18","publish_status":"0","recid":"44677","relation_version_is_last":true,"title":["検出器配置の異なる近接撮影型DOI-PET装置の計算機モデルによる感度・計数率特性の比較"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-16T00:12:38.744356+00:00"}