Study on Fast Deuteron Diagnostics Method Using Fast 3He Visible Spectra in the Large Helical Device Deuterium Plasma

被引：0
|
作者：
Kimura, Kento [1 ]
Matsuura, Hideaki [1 ]
Itoh, Chujo [1 ]
Kawamoto, Yasuko [2 ]
Oishi, Tetsutaro [2 ,3 ]
Goto, Motoshi [2 ,3 ]
Ogawa, Kunihiro [2 ,3 ]
Nishitani, Takeo [4 ]
Isobe, Mitsutaka [2 ,3 ]
Osakabe, Masaki [2 ,3 ]
机构：
[1] Kyushu Univ, Dept Appl Quantum Phys & Nucl Engn, 744 Motooka, Fukuoka 8190395, Japan
[2] Natl Inst Fus Sci, Natl Inst Nat Sci, 322-6 Oroshi Cho, Toki 5095292, Japan
[3] Grad Univ Adv Studies, Dept Fus Sci, SOKENDAI, 322-6 Oroshi Cho, Toki 5095292, Japan
[4] Nagoya Univ, Grad Sch Engn, Furo Cho, Chikusa Ku, Nagoya 4648603, Japan
来源：
PLASMA AND FUSION RESEARCH | 2023年 / 18卷
关键词：
large helical device; deuterium plasma; velocity distribution function; charge-exchange spectroscopy; visible light spectra;
D O I：
10.1585/pfr.18.1403002
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
Fast ion diagnostic is one of the most crucial plasma diagnostics for nuclear fusion investigation. A new diagnostic method for fast ions has been proposed using visible spectra of 3He produced by a deuteron-deuteron reaction. This diagnostic method has a better energy resolution than methods using neutron/y-ray and is superior to conventional spectroscopy in measuring high energy (MeV order) ions. This diagnostic method has been predicted using numerical analysis for ITER, but no verification experiments have been performed yet. In this study, we examined the measurability of this diagnostic method in the large helical device (LHD) deuterium plasma. Although very dependent on the measurement geometry and the spectrometer performance, it may be possible to measure the fast 3He visible spectrum.
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页数：5
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