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Abundance ratio of multiple velocity distribution components in a single negative ion beamlet produced by a cesium-seeded negative ion source
http://hdl.handle.net/10655/00013119
http://hdl.handle.net/10655/000131191d475022-84f1-45e8-9c53-b49b6070d184
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-05-09 | |||||
タイトル | ||||||
タイトル | Abundance ratio of multiple velocity distribution components in a single negative ion beamlet produced by a cesium-seeded negative ion source | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
HABA, Yasuaki
× HABA, Yasuaki× ARAMAKI, Mitsutoshi× TSUMORI, Katsuyoshi× OSAKABE, Masaki× IKEDA, Katsunori× NAKANO, Haruhisa× NAGAOKA, Kenichi |
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著者ID | ||||||
内容記述タイプ | Other | |||||
内容記述 | 0000-0003-1516-0288 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Well focused negative ion beams are required for neutral beam injection systems for heating and current drive in magnetically confined fusion plasma experiments. The control of a single negative ion beamlet divergence is a significant challenge with the use of a cesium-seeded negative ion source, where negative ions are mainly produced by conversion of hydrogen or deuterium atoms on a cesiated surface of a plasma grid. The single negative ion beamlet was found to be made by three-Gaussian components in our previous work. The origins of such multiple components are considered to be related to dynamics in the ion source and extraction processes of negative ions. This work has demonstrated a measurement of the abundance ratio of the three components (41%, 40%, and 19%) based on a full picture of their transverse velocity distributions, which is a powerful technique to investigate the origins of individual components and will contribute to improve the divergence of negative ion beamlet. | |||||
書誌情報 |
AIP Advances 巻 12, 号 3, p. 035223, 発行日 2022-03-11 |
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出版者 | ||||||
出版者 | American Institute of Physics | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2158-3226 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1063/5.0083300 | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1063/5.0083300 | |||||
関連名称 | Please use this identifier to cite or link to this item | |||||
NAIS | ||||||
13330 |