Highly charged tungsten spectra observed from JT-60U plasmas at $T_{mbox{e}} approx$ 8 and 14 keV

Yanagibayashi, Jun*; Nakano, Tomohide; Iwamae, Atsushi; Kubo, Hirotaka; Hasuo, Masahiro*; Itami, Kiyoshi

We observe the vacuum ultraviolet spectra of highly charged tungsten ions in plasmas at electron temperatures of 8 keV and 14 keV. The observed emission lines in a wavelength range of 2.6 3.2 nm for the plasma at 8 keV are identified to be the $3mbox{p}_{3/2}-3mbox{d}_{5/2}$ transitions of $mbox{W}^{47+}-mbox{W}^{54 +}$ . The observed emission lines at 2.0 nm and 2.3 nm at 14 keV are identified to be the $mbox{3p}_{1/2}-mbox{3d}_{3/2}$ transitions of $mbox{W}^{55 +}-mbox{W}^{61+}$ and $mbox{3s}_{1/2}-mbox{3p}_{3/2}$ transitions of $mbox{W}^{60 +}-mbox{W}^{63+}$ , respectively.

Language	:	English
Journal	:	Journal of Physics B; Atomic, Molecular and Optical Physics
Volume	:	43
Number	:	14
Pages	:	p.144013_1 - 144013_6
Publication Year/Month	:	2010/07
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Paper URL	:	https://doi.org/10.1088/0953-4075/43/14/144013
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Keywords	:	no keyword
Research Facility	:	JT-60(臨界プラズマ試験装置)
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Registration No. : AA20100300
JAEA Abstracts No. : 38001173
Paper Submission No. : 7825

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Highly charged tungsten spectra observed from JT-60U plasmas at 8 and 14 keV

Highly charged tungsten spectra observed from JT-60U plasmas at $T_{mbox{e}} approx$ 8 and 14 keV