{"created":"2023-06-20T13:10:23.656154+00:00","id":1212,"links":{},"metadata":{"_buckets":{"deposit":"bb8023ba-95d6-4b9b-bb53-a027394e9de1"},"_deposit":{"created_by":3,"id":"1212","owners":[3],"pid":{"revision_id":0,"type":"depid","value":"1212"},"status":"published"},"_oai":{"id":"oai:kobe-tokiwa.repo.nii.ac.jp:00001212","sets":["6:81"]},"author_link":["7557","7556"],"item_10002_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2023-03-31","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"16","bibliographicPageEnd":"88","bibliographicPageStart":"83","bibliographic_titles":[{"bibliographic_title":"神戸常盤大学紀要"},{"bibliographic_title":"Bulletin of Kobe Tokiwa University","bibliographic_titleLang":"en"}]}]},"item_10002_description_25":{"attribute_name":"抄録（英）","attribute_value_mlt":[{"subitem_description":"By investigating a method of quantifying a very small amount of radiation with a low-cost scintillation detector, we found that the conventional natural environmental radiation counting background of the radiation detector can be reduced using Cherenkov light, which can identify the direction of the radiation source. A small scintillation crystal was used to demonstrate the principle of 1/6 reduction."}]},"item_10002_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"食品に含まれる自然放射線量を定量化することは、放射線に対する偏見をなくすためにも教育的に有効な方法である。しかしながら、その放射線量は微量なため、測定するには液体窒素で冷却するエネルギー分解能の優れた高価なゲルマニウム半導体検出器が必要であり、さらに鉛などを使用した大掛かりな自然環境放射線シールドが必要である。低価格なシンチレーション検出器で、微量な放射線量を定量化する方法を検討した結果、放射線源の方向を特定できるチェレンコフ光を利用することにより、放射線検出器の測定物以外からの自然環境放射線バックグラウンドの測定値を6分の1にできる原理を小型のシンチレーション結晶で実証した。今後は、測定物以外からの自然環境放射線バックグラウンドを防ぐ大掛かりなシールドを用いず、大型のシンチレーション検出器で、どの程度まで食品に含まれる自然放射線を定量化できるかを明らかにしていく。"}]},"item_10002_identifier_registration":{"attribute_name":"ID登録","attribute_value_mlt":[{"subitem_identifier_reg_text":"10.20608/00001202","subitem_identifier_reg_type":"JaLC"}]},"item_10002_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"神戸常盤大学・神戸常盤大学短期大学部"}]},"item_10002_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"18845487","subitem_source_identifier_type":"ISSN"}]},"item_10002_version_type_20":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_type":"VoR"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"髙久, 圭二"},{"creatorName":"タカヒサ, ケイジ","creatorNameLang":"ja-Kana"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"TAKAHISA, Keiji","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2023-03-27"}],"displaytype":"detail","filename":"Bulletin16_10.pdf","filesize":[{"value":"1.3 MB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"Bulletin16_10.pdf","url":"https://kobe-tokiwa.repo.nii.ac.jp/record/1212/files/Bulletin16_10.pdf"},"version_id":"f83c34d0-5675-402a-a9ba-f874bf3ccba2"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"シンチレーション検出器"},{"subitem_subject":"チェレンコフ光"},{"subitem_subject":"自然環境放射線"},{"subitem_subject":"Scintillation detector"},{"subitem_subject":"Cherenkov light"},{"subitem_subject":"Natural environmental radiation"}]},"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":"departmental bulletin paper"}]},"item_title":"新方式による低自然環境放射線バックグラウンド計数検出器の原理の実証","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"新方式による低自然環境放射線バックグラウンド計数検出器の原理の実証"},{"subitem_title":"Demonstration of principle of low natural environment radiation background counting detector by new method","subitem_title_language":"en"}]},"item_type_id":"10002","owner":"3","path":["81"],"pubdate":{"attribute_name":"公開日","attribute_value":"2023-03-31"},"publish_date":"2023-03-31","publish_status":"0","recid":"1212","relation_version_is_last":true,"title":["新方式による低自然環境放射線バックグラウンド計数検出器の原理の実証"],"weko_creator_id":"3","weko_shared_id":3},"updated":"2023-06-20T13:15:16.567270+00:00"}