{"created":"2023-06-20T15:04:06.754829+00:00","id":33326,"links":{},"metadata":{"_buckets":{"deposit":"ce1d3adb-7d1a-4ff5-a550-3a5db26284bb"},"_deposit":{"created_by":1,"id":"33326","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"33326"},"status":"published"},"_oai":{"id":"oai:jaxa.repo.nii.ac.jp:00033326","sets":["1887:1890","1896:1898:1899:1912"]},"author_link":["416568","416591","416601","416576","416578","416563","416594","416602","416557","416606","416553","416549","416575","416569","416558","416605","416555","416571","416598","416587","416603","416562","416572","416585","416566","416584","416573","416581","416604","416546","416595","416565","416596","416586","416545","416556","416580","416547","416588","416552","416582","416593","416570","416597","416559","416550","416577","416574","416567","416548","416561","416579","416599","416600","416564","416560","416590","416583","416592","416551","416554","416589"],"item_9_alternative_title_2":{"attribute_name":"その他のタイトル（英）","attribute_value_mlt":[{"subitem_alternative_title":"BESS-Polar Experiment : Precise Measurement of Cosmic-ray Antiprotons by Long Duration Flights in Antarctica"}]},"item_9_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2002-03","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"98","bibliographicPageStart":"87","bibliographicVolumeNumber":"44","bibliographic_titles":[{"bibliographic_title":"宇宙科学研究所報告. 特集: 大気球研究報告"}]}]},"item_9_description_16":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"南極周回気球による宇宙線反粒子探査を目的に「BESS-Polar実験」が計画されている．中でも，低エネルギー反陽子の精密測定は主要な目標であり，宇宙線の伝播や太陽活動から受ける影響の正確な理解に加え，一次起源反陽子の探索を目指している．また，反ヘリウム等の反粒子の探索により，現在の宇宙における物質/反物質の非対称性に関する直接的な知見を得ることができる．本稿では，BESS-Polar計画の概要を紹介すると共に，開発の状況について報告する．","subitem_description_type":"Abstract"}]},"item_9_description_17":{"attribute_name":"抄録（英）","attribute_value_mlt":[{"subitem_description":"A long-duration balloon flight in Antarctica, BESS-Polar experiment, is being prepared. It aims at extremely sensitive measurement of low energy antiprotons to search for any novel primary origin and to study the cosmic-ray propagation and the solar modulation. The search for cosmic antimatter such as anti-helium is a fundamental objective to study baryon asymmetry / symmetry in the Universe. This report describes the progress and future prospect of BESS-Polar experiment.","subitem_description_type":"Other"}]},"item_9_description_32":{"attribute_name":"資料番号","attribute_value_mlt":[{"subitem_description":"資料番号: SA0200099000","subitem_description_type":"Other"}]},"item_9_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"宇宙科学研究所"}]},"item_9_publisher_9":{"attribute_name":"出版者（英）","attribute_value_mlt":[{"subitem_publisher":"Institute of Space and Astronautical 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