{"created":"2023-06-20T15:03:08.138371+00:00","id":32257,"links":{},"metadata":{"_buckets":{"deposit":"fede62f0-93f5-49ae-a84d-8e226488c8ec"},"_deposit":{"created_by":1,"id":"32257","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"32257"},"status":"published"},"_oai":{"id":"oai:jaxa.repo.nii.ac.jp:00032257","sets":["1887:1890","1896:1898:1899:1910"]},"author_link":["407986","407987","407981","407985","407984","407991","407977","407989","407988","407980","407992","407979","407983","407990","407978","407982"],"item_9_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1971-03","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1_C","bibliographicPageEnd":"299","bibliographicPageStart":"292","bibliographicVolumeNumber":"7","bibliographic_titles":[{"bibliographic_title":"東京大学宇宙航空研究所報告"}]}]},"item_9_description_16":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Cosmic Raysが大気中で超す相互作用(electronとoositronとのannihilation)で作られる0.511MeVライン・ガンマ線を1967年から1970年までの4年間にわたり,気球実験によって測定した.この0.511MeVガンマ線はextraterrestrial γ-Raysを測定するときのバックグラウンドとなるので,その強度をおさえておくことは重要となる.3回のわれわれの測定結果は誤差の範囲で非常によく一致し,その結果は断面積1cm^2の大気柱当りの0.511MeVライン・ガンマ線の発生率は18.5±4.7(photons・cm^<-2>・sec^<-1>)である.また宇宙線のエネルギー・バランスより期待される0.511MeVライン・ガンマ線の発生率を理論計算した.その結果,断面積1cm^2の大気柱当りの発生率は36.2(photons・cm～<-2>・sec^<-1>)である.","subitem_description_type":"Abstract"}]},"item_9_description_32":{"attribute_name":"資料番号","attribute_value_mlt":[{"subitem_description":"資料番号: SA0125418000","subitem_description_type":"Other"}]},"item_9_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"東京大学宇宙航空研究所"}]},"item_9_source_id_21":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0563-8100","subitem_source_identifier_type":"ISSN"}]},"item_9_source_id_24":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00161914","subitem_source_identifier_type":"NCID"}]},"item_9_text_6":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"立教大学理学部"},{"subitem_text_value":"立教大学理学部"},{"subitem_text_value":"立教大学理学部"},{"subitem_text_value":"立教大学理学部"},{"subitem_text_value":"立教大学理学部"},{"subitem_text_value":"立教大学理学部"},{"subitem_text_value":"立教大学理学部"},{"subitem_text_value":"立教大学理学部"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"中川, 重雄"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"佃, 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