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An initial measurement of a fast neutral spectrum for ion cyclotron range of frequency heated plasma using two-channel compact neutral particle analyzers in KSTAR
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10.1063/1.4829696
/content/aip/journal/rsi/84/11/10.1063/1.4829696
http://aip.metastore.ingenta.com/content/aip/journal/rsi/84/11/10.1063/1.4829696
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Tokamak plasma parameters for shot #6005. The shot can be divided by 4 phases, ramp-up I, ramp-up II, H-mode, and H-mode with a disruption to compare with a fast neutral spectrum in response to the variation of the plasma parameters. Each data represent as following: (a) plasma current, (b) electron density, (c) electron temperature, (d) ion temperature, (e) diamagnetic energy, (f) D intensity, (g) NB power (No other heating power such as ion cyclotron resonance heating (ICRH) and electron cyclotron heating (ECH)), (h) neutron counts.

Image of FIG. 2.
FIG. 2.

Fast neutral spectrum in response to each phase of shot #6005.

Image of FIG. 3.
FIG. 3.

Time integrated fast neutral spectrum for each phase of shot #6005.

Image of FIG. 4.
FIG. 4.

Diode with and without a particle stopper made of Al foil with 15 m thickness.

Image of FIG. 5.
FIG. 5.

Deuterium penetration in SRIM code. Beam: D with 1 MeV, target: Al with 15 m thickness.

Image of FIG. 6.
FIG. 6.

Intensity of hard X-Ray transmitted for an Al foil with 15 m thickness.

Image of FIG. 7.
FIG. 7.

Top view of the installed CNPA systems in 2012 campaign.

Image of FIG. 8.
FIG. 8.

Tokamak plasma parameters of shot #7132, where the fast neutral is measured from 0 to 4 s. Each data represent as following: (a) plasma current, (b) electron density, (c) electron temperature, (d) diamagnetic energy, (e) D intensity, (f) heating power (for visibility, ICRH and ECH powers are multiplied by three, respectively).

Image of FIG. 9.
FIG. 9.

K-port (top) and F-port (bottom) NPA spectrum for shot #7132.

Image of FIG. 10.
FIG. 10.

Tokamak plasma data for shot #7281. Each data represent as following: (a) plasma current, (b) electron density, (c) electron temperature, (d) diamagnetic energy, (e) D intensity, (f) heating power (for visibility, ICRH and ECCD powers are multiplied by three, respectively).

Image of FIG. 11.
FIG. 11.

Integrated NPA energy spectrum at K-port for three phases, NB only (4.2–4.3 s), NB+ICRF (4.3–4.4 s), and NB+ICRF+ECCD (4.4–4.5 s).

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/content/aip/journal/rsi/84/11/10.1063/1.4829696
2013-11-15
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: An initial measurement of a fast neutral spectrum for ion cyclotron range of frequency heated plasma using two-channel compact neutral particle analyzers in KSTAR
http://aip.metastore.ingenta.com/content/aip/journal/rsi/84/11/10.1063/1.4829696
10.1063/1.4829696
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