{"created":"2023-05-15T14:55:40.952216+00:00","id":75605,"links":{},"metadata":{"_buckets":{"deposit":"f4fc6364-ff09-4f6e-82a6-bc976fed55a5"},"_deposit":{"created_by":1,"id":"75605","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"75605"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00075605","sets":["1"]},"author_link":["743438","743483","743491","743488","743498","743447","743469","743478","743489","743499","743501","743473","743459","743448","743442","743450","743475","743481","743485","743468","743453","743470","743479","743466","743471","743464","743500","743454","743477","743495","743444","743458","743456","743449","743484","743460","743496","743452","743467","743462","743487","743455","743497","743446","743482","743490","743436","743445","743492","743465","743451","743461","743463","743437","743486","743472","743440","743439","743441","743480","743474","743476","743493","743494","743443","743457"],"item_8_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2018-01","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"219","bibliographicPageStart":"197","bibliographicVolumeNumber":"877","bibliographic_titles":[{"bibliographic_title":"Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment"}]}]},"item_8_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Energy-recovery linacs (ERLs) are promising for advanced synchrotron light sources, high-power free electron lasers (FELs), high-brightness gamma-ray sources, and electron–ion colliders. To demonstrate the critical technology of ERL-based light sources, we have designed and constructed a test accelerator, the compact ERL (cERL). Using advanced technology that includes a photocathode direct current (DC) electron gun and two types of 1.3-GHz-frequency superconducting cavities, the cERL was designed to be capable of recirculating low emittance (1 mm mrad) and high average-current (10 mA) electron beams while recovering the beam energy. During initial commissioning, the cERL demonstrated successful recirculation of high-quality beams with normalized transverse emittance of 0.14 mm mrad and momentum spread of 1.2 10−4 (rms) at a beam energy of 20 MeV and bunch charge below 100 fC. Energy recovery in the superconducting main linac was also demonstrated for high-average-current continuous-wave beams. These results constitute an important milestone toward realizing ERL-based light sources.","subitem_description_type":"Abstract"}]},"item_8_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"Elsevier"}]},"item_8_relation_14":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"10.1016/j.nima.2017.08.051","subitem_relation_type_select":"DOI"}}]},"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":"Akemoto, Mitsuo"}],"nameIdentifiers":[{"nameIdentifier":"743436","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Arakawa, 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