{"created":"2023-05-15T14:52:42.086336+00:00","id":71954,"links":{},"metadata":{"_buckets":{"deposit":"ee7c6772-704f-4965-abff-6c23ecbae4bd"},"_deposit":{"created_by":1,"id":"71954","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"71954"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00071954","sets":["10:28"]},"author_link":["708676","708679","708677","708682","708678","708683","708680","708681"],"item_10005_date_7":{"attribute_name":"発表年月日","attribute_value_mlt":[{"subitem_date_issued_datetime":"2016-05-23","subitem_date_issued_type":"Issued"}]},"item_10005_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"我々は表面ポジトロニウム(Ps)の3光子消滅率を測定することで、磁性薄膜表面に存在する電子スピン偏極率の評価を行っている。もしPsの速度分布が取得できれば、最表面かつフェルミ面近傍の電子状態の観測が可能となる。我々は現在、そのような測定が可能なPsの飛行時間測定(TOF測定)システムの構築を進めている。今回、TOF測定の前段階として、陽電子消滅寿命測定が行えるシステムの構築を行った。銀薄膜の表面において、50eVに減速した陽電子ビームを用いてオルソポジトロニウムの寿命142nsに相当するスペクトルを得ることに成功した。今後は装置の分解能を高めるとともに、磁性材料の表面ポジトロニウムを測定していく予定である。","subitem_description_type":"Abstract"}]},"item_10005_description_6":{"attribute_name":"会議概要（会議名, 開催地, 会期, 主催者等）","attribute_value_mlt":[{"subitem_description":"14th International Workshop on Slow Positron Beam Techniques & Applications (SLOPOS14)","subitem_description_type":"Other"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"metadata only access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_14cb"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"前川雅樹"}],"nameIdentifiers":[{"nameIdentifier":"708676","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"和田健"}],"nameIdentifiers":[{"nameIdentifier":"708677","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"宮下, 敦己"}],"nameIdentifiers":[{"nameIdentifier":"708678","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Kawasuso, Atsuo"}],"nameIdentifiers":[{"nameIdentifier":"708679","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"前川 雅樹","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"708680","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"和田 健","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"708681","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"宮下 敦巳","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"708682","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"河裾 厚男","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"708683","nameIdentifierScheme":"WEKO"}]}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"conference object","resourceuri":"http://purl.org/coar/resource_type/c_c94f"}]},"item_title":"Construction of a spin-polarized positronium time-of-flight measurement apparatus","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Construction of a spin-polarized positronium time-of-flight measurement apparatus"}]},"item_type_id":"10005","owner":"1","path":["28"],"pubdate":{"attribute_name":"公開日","attribute_value":"2016-07-04"},"publish_date":"2016-07-04","publish_status":"0","recid":"71954","relation_version_is_last":true,"title":["Construction of a spin-polarized positronium time-of-flight measurement apparatus"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-15T19:45:28.200922+00:00"}