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Fusion neutron production with deuterium neutral beam injection and enhancement of energetic-particle physics study in the Large Helical Device
http://hdl.handle.net/10655/00012710
http://hdl.handle.net/10655/00012710ece69035-ef08-4b32-888c-3694b443193f
名前 / ファイル | ライセンス | アクション |
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Nucl.Fusion58_pp082004 (3.5 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-12-14 | |||||
タイトル | ||||||
タイトル | Fusion neutron production with deuterium neutral beam injection and enhancement of energetic-particle physics study in the Large Helical Device | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | deuterium plasma | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | neutron | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | energetic ion | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | triton | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | the large helical device | |||||
キーワード | ||||||
主題Scheme | Other | |||||
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 | |||||
著者 |
ISOBE, Mitsutaka
× ISOBE, Mitsutaka× OGAWA, Kunihoro× Nishitani, Takeo× PU, Neng× Kawase, Hiroki× SEKI, Ryosuke× NUGA, Hideo× TAKADA, Eiji× MURAKAMI, Sadayoshi× SUZUKI, Yasuhiro× YOKOYAMA, Masayuki× OSAKABE, Masaki× LHD, Experiment Group |
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著者ID | ||||||
内容記述タイプ | Other | |||||
内容記述 | 0000-0002-3572-1882 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The deuterium operation of the large helical device (LHD) heliotron started in March 7, 2017, after long-term preparation and commissioning works necessary to execute the deuterium experiment. A comprehensive set of neutron diagnostics was implemented to accelerate energetic-particle physics research in the LHD. The calibrated ex-vessel neutron flux monitor indicated that the total neutron emission rate in the first deuterium campaign reached 3.3 × 1015 n s−1 in inward shifted magnetic field configuration where confinement of helically trapped energetic ions is predicted to be better. Density dependence of measured total neutron emission rate was consistent with that predicted by the calculation. The neutron decay rate analysis following perpendicular deuterium beam blips injection suggested that the confinement of helically trapped beam ions can be understood by the classical slowing down model in relatively high-electron density plasmas at inward shifted magnetic field configuration. On the other hand, loss of helically-trapped beam ions was recognized even in the inward shifted configuration in the case of low density. Performance of the vertical neutron camera was verified by changing the plasma position and/or magnetic field strength. Drastic change of neutron emission profile was observed when the resistive interchange mode driven by helically-trapped beam ions appears. It was successfully demonstrated that the vertical neutron camera can play an important role in revealing radial transport and/or loss of beam ions. Triton burnup study was also conducted. In the first deuterium campaign, the maximum triton burnup ratio of 0.45% was obtained in inward shifted configuration. The burnup ratio decreased as a plasma was shifted outwardly as expected. | |||||
書誌情報 |
Nuclear Fusion 巻 58, 号 8, p. 082004, 発行日 2018-06-29 |
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出版者 | ||||||
出版者 | IOP Publishing | |||||
出版者 | ||||||
出版者 | International Atomic Energy Agency | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00295515 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00759871 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1088/1741-4326/aabcf4 | |||||
権利 | ||||||
権利情報 | This is the Accepted Manuscript version of an article accepted for publication in Nuclear Fusion. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at https://doi.org/10.1088/1741-4326/aabcf4. | |||||
情報源 | ||||||
関連名称 | Citation M. Isobe et al 2018 Nucl. Fusion 58 082004 | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1088/1741-4326/aabcf4 | |||||
関連名称 | Publisher version | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
NAIS | ||||||
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