{"created":"2023-05-15T14:38:17.476451+00:00","id":49411,"links":{},"metadata":{"_buckets":{"deposit":"e6e0f63e-7ba3-4602-aa19-1abec012a376"},"_deposit":{"created_by":1,"id":"49411","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"49411"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00049411","sets":["1"]},"author_link":["748608","748607","748606","748605","748609"],"item_8_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2019-01","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"93","bibliographicPageEnd":"9","bibliographicPageStart":"1","bibliographicVolumeNumber":"1","bibliographic_titles":[{"bibliographic_title":"Communications Physics"}]}]},"item_8_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Electron–positron pair production via Breit–Wheeler process requires laser intensities approaching 10^24 W cm^−2 due to the small cross-section. Here, we propose a mechanism for brilliant γ-ray emission and dense GeV pairs creation accompanied with highharmonic generation by using plasma mirror and an ultra short pulse with the intensity of 3 × 10^23Wcm^−2. The laser is reflected by the solid surface after propagating tens of microns in a near-critical density plasma and breaks into short wave packets. The intensity of thereflected high order harmonic field is enhanced by the focusing and compression effects\nfrom the deformed oscillating mirror. The radiation trapped electrons emit γ-photons while colliding with the reflected attosecond pulses. The peak intensity of the γ-ray reaches 0.74 PW with the brilliance of 2 × 1024 s−1mm−2 mrad−2 (0.1%BW)−1 (at 58 MeV). A GeV positron beam is obtained with density of 4 × 10^21 cm^−3 and a particle number of 5.6 × 10^9.","subitem_description_type":"Abstract"}]},"item_8_relation_14":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"10.1038/s42005-018-0095-3","subitem_relation_type_select":"DOI"}}]},"item_8_relation_17":{"attribute_name":"関連サイト","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://www.nature.com/articles/s42005-018-0095-3","subitem_relation_type_select":"URI"}}]},"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":"Yan-Jun, Gu"}],"nameIdentifiers":[{"nameIdentifier":"748605","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Klimo, Ondrej"}],"nameIdentifiers":[{"nameIdentifier":"748606","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"ブラノフ, セルゲイ"}],"nameIdentifiers":[{"nameIdentifier":"748607","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Weber, Stefan"}],"nameIdentifiers":[{"nameIdentifier":"748608","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Bulanov, Sergey","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"748609","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":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"Brilliant gamma-ray beam and electron–positron pair production by enhanced attosecond pulses","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Brilliant gamma-ray beam and electron–positron pair production by enhanced attosecond pulses"}]},"item_type_id":"8","owner":"1","path":["1"],"pubdate":{"attribute_name":"公開日","attribute_value":"2019-01-09"},"publish_date":"2019-01-09","publish_status":"0","recid":"49411","relation_version_is_last":true,"title":["Brilliant gamma-ray beam and electron–positron pair production by enhanced attosecond pulses"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-16T01:05:38.548115+00:00"}