{"created":"2023-05-15T14:42:21.204213+00:00","id":2613,"links":{},"metadata":{"_buckets":{"deposit":"796a37c8-90bd-4161-88a8-58bb3aab0bf7"},"_deposit":{"created_by":3,"id":"2613","owners":[3],"pid":{"revision_id":0,"type":"depid","value":"2613"},"status":"published"},"_oai":{"id":"oai:ksu.repo.nii.ac.jp:00002613","sets":["14:179:189"]},"author_link":["6845","18132","20985","7882","22485","22486"],"control_number":"2613","item_2_biblio_info_12":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2011-07","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"84","bibliographicPageStart":"75","bibliographicVolumeNumber":"10","bibliographic_titles":[{"bibliographic_title":"京都産業大学先端科学技術研究所所報"},{"bibliographic_title":"The bulletin of the Research Institute of Advanced Technology Kyoto Sangyo University","bibliographic_titleLang":"en"}]}]},"item_2_description_10":{"attribute_name":"抄録(日)","attribute_value_mlt":[{"subitem_description":"正負逆の電荷を持つπ中間子とK中間子がクーロン力でゆるく結合したπK原子（π^＋K^–、π^–K^＋）が存在することを確かめ、そのπK原子の寿命測定を行った。CERNのPS加速器で加速した24GeV/cの陽子ビームをPt標的に照射する事でπK原子を生成し、標的中で解離したπK粒子対を改良したDIRAC-IIスペクトロメータで検出に成功した。検出したπK原子の数は173 ± 54 個であり、そこから得られた基底S －状態にあるπK原子の寿命の下限値は90％の信頼度で0.8fsであった。","subitem_description_type":"Other"}]},"item_2_description_11":{"attribute_name":"抄録(英)","attribute_value_mlt":[{"subitem_description":"An experiment to find πK-atoms which composed from oppositely charged π and K mesons loosely bound by Coulomb force was done by DIRAC（PS-212）group. The π K-atoms are produced in a thin platinum foil by bombarding 24GeV/c protons accelerated by CERN-PS. The π K pairs dissociated in the production target foil are observed at the first time by the DIRAC-II spectrometer. The number of detected π K atoms is 173 ± 54. The data gives a lower limit for the lifetime of π K atoms of 0.8 fs at 90% confidence level.","subitem_description_type":"Other"}]},"item_2_description_15":{"attribute_name":"表示順","attribute_value_mlt":[{"subitem_description":"6","subitem_description_type":"Other"}]},"item_2_description_16":{"attribute_name":"アクセション番号","attribute_value_mlt":[{"subitem_description":"KJ00007509019","subitem_description_type":"Other"}]},"item_2_description_2":{"attribute_name":"ページ属性","attribute_value_mlt":[{"subitem_description":"P","subitem_description_type":"Other"}]},"item_2_description_8":{"attribute_name":"記事種別(日)","attribute_value_mlt":[{"subitem_description":"研究活動報告","subitem_description_type":"Other"}]},"item_2_description_9":{"attribute_name":"記事種別(英)","attribute_value_mlt":[{"subitem_description":"Activity Report","subitem_description_type":"Other"}]},"item_2_source_id_1":{"attribute_name":"雑誌書誌ID","attribute_value_mlt":[{"subitem_source_identifier":"AA11815191","subitem_source_identifier_type":"NCID"}]},"item_2_source_id_19":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"1347-3980","subitem_source_identifier_type":"PISSN"}]},"item_2_text_6":{"attribute_name":"著者所属(日)","attribute_value_mlt":[{"subitem_text_value":"京都産業大学コンピュータ理工学部"},{"subitem_text_value":"京都産業大学コンピュータ理工学部"},{"subitem_text_value":"京都産業大学コンピュータ理工学部"},{"subitem_text_value":"首都大学東京理工学研究科"},{"subitem_text_value":"京都大学化学研究所"},{"subitem_text_value":"高エネルギー加速器研究機構"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"青垣, 総一郎","creatorNameLang":"ja"},{"creatorName":"アオガキ, ソウイチロウ","creatorNameLang":"ja-Kana"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"岡田, 憲志","creatorNameLang":"ja"},{"creatorName":"オカダ, ケンジ","creatorNameLang":"ja-Kana"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"竹内, 富士雄","creatorNameLang":"ja"},{"creatorName":"タケウチ, フジオ","creatorNameLang":"ja-Kana"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"千葉, 雅美","creatorNameLang":"ja"},{"creatorName":"チバ, マサミ","creatorNameLang":"ja-Kana"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"岩下, 芳久","creatorNameLang":"ja"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"小林, 正明","creatorNameLang":"ja"}],"nameIdentifiers":[{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2018-01-28"}],"displaytype":"detail","filename":"KJ00007509019.pdf","filesize":[{"value":"377.6 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"KJ00007509019.pdf","url":"https://ksu.repo.nii.ac.jp/record/2613/files/KJ00007509019.pdf"},"version_id":"e6c2ba4b-d077-4bee-ab65-17159d9ddd47"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"二中間子原子","subitem_subject_scheme":"Other"},{"subitem_subject":"πK散乱長","subitem_subject_scheme":"Other"},{"subitem_subject":"πK原子寿命","subitem_subject_scheme":"Other"},{"subitem_subject":"カイラル摂動理論","subitem_subject_scheme":"Other"},{"subitem_subject":"量子色力学","subitem_subject_scheme":"Other"},{"subitem_subject":"Exotic atoms","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"πK scattering length","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Lifetime of πK atom","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Chiral Perturbation Theory(ChPT)","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"QCD","subitem_subject_language":"en","subitem_subject_scheme":"Other"}]},"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","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"DIRAC実験におけるπK原子の検出とその寿命測定","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"DIRAC実験におけるπK原子の検出とその寿命測定","subitem_title_language":"ja"},{"subitem_title":"DIRAC ジッケン ニオケル πK ゲンシ ノ ケンシュツ ト ソノ ジュミョウ ソクテイ","subitem_title_language":"ja-Kana"}]},"item_type_id":"2","owner":"3","path":["189"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2018-01-28"},"publish_date":"2018-01-28","publish_status":"0","recid":"2613","relation_version_is_last":true,"title":["DIRAC実験におけるπK原子の検出とその寿命測定"],"weko_creator_id":"3","weko_shared_id":-1},"updated":"2023-09-28T02:30:47.739422+00:00"}