{"created":"2023-06-20T15:16:51.249313+00:00","id":10587,"links":{},"metadata":{"_buckets":{"deposit":"60133d8f-8c77-4d4d-8fe2-c8634c9e5120"},"_deposit":{"created_by":19,"id":"10587","owners":[19],"pid":{"revision_id":0,"type":"depid","value":"10587"},"status":"published"},"_oai":{"id":"oai:nifs-repository.repo.nii.ac.jp:00010587","sets":["6:7"]},"author_link":["66533","126125","66696","124909"],"item_10001_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2018-11-21","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"11","bibliographicPageStart":"113509","bibliographicVolumeNumber":"89","bibliographic_titles":[{"bibliographic_title":"Review of Scientific Instruments"}]}]},"item_10001_description_4":{"attribute_name":"著者ID","attribute_value_mlt":[{"subitem_description":"0000-0003-4555-1837","subitem_description_type":"Other"}]},"item_10001_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"In the currently performed neutral beam (NB) -heated deuterium plasma experiments, neutrons are mainly produced by a beam-plasma reaction. Therefore, time-resolved measurement of the neutron emission profile can enhance the understanding of the classical and/or anomalous transport of beam ions. To measure radial neutron emission profiles as a function of time, the vertical neutron camera (VNC) capable of operation with a counting rate in the MHz range was newly installed on the Large Helical Device (LHD). This is the world’s first neutron camera for stellarator/heliotron devices. The VNC consists of a multichannel collimator, eleven fast-neutron detectors, and the digital-signal-processing-based data acquisition system (DAQ). The multichannel collimator having little cross talk was made from hematite-doped heavy concrete, which has a high shielding performance against both neutrons and gamma-rays. A stilbene crystal coupled with a photomultiplier having high-gain-stability in the high-count rate regime was utilized as a fast-neutron scintillation detector because it has a high neutron-gamma discrimination capability at high count rates. The DAQ system equipped with a field programmable logic controller was developed to obtain the waveform acquired with a 1 GHz sampling rate and the shaping parameter of each pulse simultaneously at up to 106 cps (counts per second). Neutron emission profiles were successfully obtained in the first deuterium campaign of LHD in 2017. The neutron emission profile was measured in tangentially co-injected NB-heated plasma with different magnetic axes (Rax). The neutron counts became larger in the inward-shifted configuration, which was consistent with the total neutron rate measured by the neutron flux monitor. The radial peak position of the line-integrated neutron profile which changed according to Rax showed that the VNC worked successfully as designed. The VNC demonstrated the expected performance conducive to extending energetic-particle physics studies in LHD.","subitem_description_type":"Abstract"}]},"item_10001_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"AIP Publishing"}]},"item_10001_relation_14":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_type":"isIdenticalTo","subitem_relation_type_id":{"subitem_relation_type_id_text":"10.1063/1.5054818","subitem_relation_type_select":"DOI"}}]},"item_10001_relation_17":{"attribute_name":"関連サイト","attribute_value_mlt":[{"subitem_relation_name":[{"subitem_relation_name_text":"Publisher version"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://aip.scitation.org/doi/abs/10.1063/1.5054818","subitem_relation_type_select":"URI"}}]},"item_10001_rights_15":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in Rev. Sci. Instrum. 89, 113509 (2018) and may be found at https://aip.scitation.org/doi/abs/10.1063/1.5054818."}]},"item_10001_source_id_11":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA00817730","subitem_source_identifier_type":"NCID"}]},"item_10001_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"00346748","subitem_source_identifier_type":"ISSN"}]},"item_10001_text_23":{"attribute_name":"NAIS","attribute_value_mlt":[{"subitem_text_value":"|||"}]},"item_10001_version_type_20":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"OGAWA,  Kunihoro"}],"nameIdentifiers":[{}]},{"creatorAffiliations":[{"affiliationNameIdentifiers":[{"affiliationNameIdentifier":""}],"affiliationNames":[{"affiliationName":""}]}],"creatorNames":[{"creatorName":"ISOBE,  Mitsutaka"}],"familyNames":[{}],"givenNames":[{}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Nishitani,  T."}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"KOBUCHI,  Takashi"}],"nameIdentifiers":[{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2021-07-13"}],"displaytype":"detail","filename":"Review_Scient.Instrum.89_pp113509.pdf","filesize":[{"value":"2.8 MB"}],"format":"application/pdf","licensetype":"license_8","mimetype":"application/pdf","url":{"label":"Review_Scient.Instrum.89_pp113509","url":"https://nifs-repository.repo.nii.ac.jp/record/10587/files/Review_Scient.Instrum.89_pp113509.pdf"},"version_id":"40cc4492-f56c-4112-be83-b86937b65b5b"},{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2022-03-16"}],"displaytype":"detail","filename":"VoR_Rev.Sci.Instr89_113509.pdf","filesize":[{"value":"6.6 MB"}],"format":"application/pdf","licensetype":"license_11","mimetype":"application/pdf","url":{"label":"VoR_Rev.Sci.Instr89_113509","url":"https://nifs-repository.repo.nii.ac.jp/record/10587/files/VoR_Rev.Sci.Instr89_113509.pdf"},"version_id":"a7bd510e-4fee-48f6-bc1c-30c96c4e56eb"}]},"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":"The large helical device vertical neutron camera operating in the MHz counting rate range","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"The large helical device vertical neutron camera operating in the MHz counting rate range"}]},"item_type_id":"10001","owner":"19","path":["7"],"pubdate":{"attribute_name":"公開日","attribute_value":"2021-07-13"},"publish_date":"2021-07-13","publish_status":"0","recid":"10587","relation_version_is_last":true,"title":["The large helical device vertical neutron camera operating in the MHz counting rate range"],"weko_creator_id":"19","weko_shared_id":19},"updated":"2023-07-31T03:00:54.936527+00:00"}