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Spatial resolved high-energy particle diagnostic system using time-of-flight neutral particle analyzer in Large Helical Device
http://hdl.handle.net/10655/3268
http://hdl.handle.net/10655/326878f3d617-41cd-44f9-8174-c91e16b09521
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2526.pdf (388.7 kB)
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VoR_Rev.Sci.Instr74_1878 (927.4 kB)
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Item type | 学術雑誌論文 / Journal Article_02(1) | |||||
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公開日 | 2010-02-12 | |||||
タイトル | ||||||
タイトル | Spatial resolved high-energy particle diagnostic system using time-of-flight neutral particle analyzer in Large Helical Device | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | plasma diagnostics | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | stellarators | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | time of flight spectroscopy | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | plasma beam injection heating | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | plasma toroidal confinement | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | magnetisation reversal | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | plasma radiofrequency heating | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | plasma density | |||||
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 |
Ozaki, Tetsuo
× Ozaki, Tetsuo× Murakami, Sadayoshi× Goncharov, Pavel× Watanabe, Tsuguhiro× Sudo, Shigeru× Narihara, Kazumichi× Tanaka, Kenji× Kubo, Shin× Simozuma, Takashi× Idei, Hiroshi× Oka, Yoshihide× Osakabe, Masaki× Takeiri, Yasuhiko× Tsumori, Katsuyoshi× Ida, Katsumi× Shoji, Mamoru× Nakanishi, Hideya× Sasao, Mamiko× Kaneko, Osamu× Kawahata, Kazuo× Nakamura, Yukio× Ohyabu, Nobuyoshi× Motojima, Osamu× G1/G2, Experimental Group |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The time-of-flight-type neutral particle analyzer has an ability of horizontal scanning from 40 to 100° of the pitch angle. The information from the spatially resolved energy spectrum gives not only the ion temperature but also the information of the particle confinement and the electric field in plasmas. We have been studying the energy distributions at various magnetic configurations in the neutral beam injection (NBI) plasma. The spatially resolved energy spectra can be observed during long discharges of the NBI plasma by continuous scanning of the neutral particle analyzer. The shape of spectra is almost similar from 44° to 53°. However, the spectra from 55° are strongly varied. They reflect the injection pitch angle of the beam. The pitch angle scanning experiment during the long discharge of NBI plasma has also been made under the reversal of the magnetic field direction. NBI2 becomes counter injected with the reversal. We can easily observe the difference between co- and counter injections of NBI. During the electron cyclotron heating in the low-density plasma for the formation of the internal thermal barrier, large neutral particle increase or decease can be observed. The degree of the increase/decrease depends on the energy and the density. The reason for the variation of the particle flux is that the orbit of the trapped particle changes due to the electric field formed by the strong electron cyclotron heating. | |||||
書誌情報 |
en : Review of Scientific Instruments 巻 Vol.74, 号 No.3, p. pp.1878-1882, 発行日 2003-03-01 |
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出版者 | ||||||
出版者 | American Institute of Physics | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1063/1.1537883 | |||||
権利 | ||||||
権利情報 | ? 2003 American Institute of Physics. | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1063/1.1537883 | |||||
関連名称 | Publisher version | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |