Observation of the bulk ion density peaking in a discharge with an impurity hole in the LHD

Radial profiles of bulk ion and impurity ions density are simultaneously measured and quantified using charge exchange spectroscopy and peaking parameter, Cv. The peaking parameter is positive for inward and negative for outward convection in a plasma with an impurity hole in the Large Helical Devic...

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Veröffentlicht in:	Nuclear fusion 2017-06, Vol.57 (7), p.76040
Hauptverfasser:	Perek, A., Ida, K., Yoshinuma, M., Goto, M., Nakamura, Y., Emoto, M., Jaspers, R.
Format:	Artikel
Sprache:	eng
Schlagworte:	charge exchange spectroscopy helium exhaust impurity hole impurity transport LHD
Online-Zugang:	Volltext
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