{"created":"2023-06-20T15:03:16.591616+00:00","id":32439,"links":{},"metadata":{"_buckets":{"deposit":"0324fad3-7296-440d-8ca3-801583e706cf"},"_deposit":{"created_by":1,"id":"32439","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"32439"},"status":"published"},"_oai":{"id":"oai:jaxa.repo.nii.ac.jp:00032439","sets":["1887:1890","1896:1898:1899:1910"]},"author_link":["409119","409106","409113","409120","409109","409110","409116","409111","409115","409118","409117","409112","409105","409104","409114","409107","409108"],"item_9_alternative_title_2":{"attribute_name":"その他のタイトル（英）","attribute_value_mlt":[{"subitem_alternative_title":"High Energy Primary Electron Spectrum Observed by the Emulsion Chamber"}]},"item_9_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1978-08","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"3_B","bibliographicPageEnd":"1100","bibliographicPageStart":"1087","bibliographicVolumeNumber":"14","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":"高エネルギー1次電子観測の日米協同実験を行った.観測器は50cm×40cmx8r・lのエマルジョン・チェンバー2個で,原子核乾板,X線フィルム,鉛板のサンドウィッチからできている.気球は1976年9月23日,アメリカのパレスタイン気球基地より放球した.3.9gr/cm^2の高度で25.5時間のレベルフライトにより,天頂角60゜以下の粒子について77,700 m^2 sec strの露出量が得られた. 同型のチェンバーについて,フェルミ加速器研究所の50,100,300 GeVの電子ビームによりエネルギーの較正を行い,エネルギーの決定精度をあげることができた.X線フィルムによるスキャンから600 GeV以上のシャワーが,1個のチェンバーについて約500個見つかった.このうち天頂角が60°以下で,チェンバーの上面と下面を通過するものは約3/5である.600 GeV以上の電子は2個のチェンバーで合計7個検出された.これまでに得られている我々のデータと合わせると,電子のスペクトルは100GeVから1,000 GeVの領域でJ(E) = 1.6×10^<-4>(100 GeV/E)^<3.3±0.2>/m^2sec str GeVと表わされる.","subitem_description_type":"Abstract"}]},"item_9_description_32":{"attribute_name":"資料番号","attribute_value_mlt":[{"subitem_description":"資料番号: SA0125681000","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":"東京大学宇宙航空研究所"},{"subitem_text_value":"東京大学宇宙航空研究所"},{"subitem_text_value":"神奈川大学工学部"},{"subitem_text_value":"青山学院大学"},{"subitem_text_value":"衛生短期大学"},{"subitem_text_value":"衛生短期大学"},{"subitem_text_value":"名古屋大学理学部"},{"subitem_text_value":"ワシントン大学"},{"subitem_text_value":"ワシントン大学"},{"subitem_text_value":"NASAヒューストン"}]},"item_9_text_7":{"attribute_name":"著者所属（英）","attribute_value_mlt":[{"subitem_text_language":"en","subitem_text_value":"Institute 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