{"created":"2023-05-15T14:51:04.965475+00:00","id":69830,"links":{},"metadata":{"_buckets":{"deposit":"f0aa5cd1-1210-48fd-a733-c0bb1ed01970"},"_deposit":{"created_by":1,"id":"69830","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"69830"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00069830","sets":["10:28"]},"author_link":["685610","685609"],"item_10005_date_7":{"attribute_name":"発表年月日","attribute_value_mlt":[{"subitem_date_issued_datetime":"2009-08-07","subitem_date_issued_type":"Issued"}]},"item_10005_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"<ポスター発表のabstract>\n放医研では，スキャニング照射システムのビームプロファイルモニタとして，MWPC (Multi-wire Propotional Counter)の利用を検討している．MWPCでは，高レートの入射粒子に対して，出力信号の低下(ゲインリダクション)が発生する．このゲインリダク ションの改善のために，数値計算によるパラメータ(陽極径，電極間距離，ガス圧力)の最適化を行っている．まず，単純な同軸型比例計数管に2次元流体モデ ルを適用し，増幅ガス内部の陽イオンと電子の空間分布，及び電場の時間変化を解析した．これらの結果から，ゲインリダクションの原因となる空間電荷効果の 時間変化について議論する．","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":"第６回日本加速器学会2009","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":"片桐, 健"}],"nameIdentifiers":[{"nameIdentifier":"685609","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"片桐 健","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"685610","nameIdentifierScheme":"WEKO"}]}]},"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":"conference object","resourceuri":"http://purl.org/coar/resource_type/c_c94f"}]},"item_title":"2次元流体モデルによる比例計数管内電離ガスの数値解析","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"2次元流体モデルによる比例計数管内電離ガスの数値解析"}]},"item_type_id":"10005","owner":"1","path":["28"],"pubdate":{"attribute_name":"公開日","attribute_value":"2009-08-10"},"publish_date":"2009-08-10","publish_status":"0","recid":"69830","relation_version_is_last":true,"title":["2次元流体モデルによる比例計数管内電離ガスの数値解析"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-15T20:09:56.519512+00:00"}