{"created":"2023-05-15T15:03:54.941627+00:00","id":86473,"links":{},"metadata":{"_buckets":{"deposit":"aed4da7f-8b59-4cc6-a6af-3efb87c0c4fc"},"_deposit":{"created_by":1,"id":"86473","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"86473"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00086473","sets":["10:29"]},"author_link":["1056517","1056515","1056518","1056520","1056519","1056516"],"item_10005_date_7":{"attribute_name":"発表年月日","attribute_value_mlt":[{"subitem_date_issued_datetime":"2022-07-07","subitem_date_issued_type":"Issued"}]},"item_10005_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"放射線の飛行時間差情報を活用して画像改善を図るTime-of-flight（TOF）PETにおいて、時間分解能（TOF分解能 ）の改善が求められている。本研究では、市販装置の最速値である214psのTOF分解能を超す ことを目的とし、シンチレータと半導体受光素子（SiPM）のパラメータ最適化を行った。具体的には、化学研磨されたfast-LGSO結晶(3.1×3.1×20 mm^3)とMPPC 受光素子を一対一に光学結合し、MPPCの印加電圧を61 V、波高弁別の閾値を5%に最適化することで184 psのTOF分解能を得た。","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59回アイソトープ・放射線研究発表会","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":"清川, 実穂"}],"nameIdentifiers":[{"nameIdentifier":"1056515","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Han Gyu, Kang"}],"nameIdentifiers":[{"nameIdentifier":"1056516","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"山谷, 泰賀"}],"nameIdentifiers":[{"nameIdentifier":"1056517","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Miho, Kiyokawa","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"1056518","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Kang, Hangyu","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"1056519","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Taiga, Yamaya","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"1056520","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":"SiPM を用いた TOF-PET 検出器の時間分解能向上に関する基礎的研究","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"SiPM を用いた TOF-PET 検出器の時間分解能向上に関する基礎的研究"}]},"item_type_id":"10005","owner":"1","path":["29"],"pubdate":{"attribute_name":"公開日","attribute_value":"2022-07-05"},"publish_date":"2022-07-05","publish_status":"0","recid":"86473","relation_version_is_last":true,"title":["SiPM を用いた TOF-PET 検出器の時間分解能向上に関する基礎的研究"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-15T16:54:51.929420+00:00"}