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Compact, accurate description of diagnostic neutral beam propagation and attenuation in a high temperature plasma for charge exchange recombination spectroscopy analysisa)
a)Contributed paper, published as part of the Proceedings of the 17th Topical Conference on High-Temperature Plasma Diagnostics, Albuquerque, New Mexico, May 2008.
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10.1063/1.2965213
/content/aip/journal/rsi/79/10/10.1063/1.2965213
http://aip.metastore.ingenta.com/content/aip/journal/rsi/79/10/10.1063/1.2965213
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

A schematic view of beam transport to the core of the Alcator C-Mod plasma. The beam trajectory (solid black line) is at an angle to the major radius (dashed line).

Image of FIG. 2.
FIG. 2.

Beamwidth is displayed versus distance along the beam trajectory from the accelerator grids. Measurements are shown as black squares. Black triangles represent the simulation result that fits the measurements. Blue (green) triangles represent the simulation for a divergence angle of 0.1° larger (smaller). The red line represents the analytical width [Eq. (2)].

Image of FIG. 3.
FIG. 3.

Fractional composition of the beam along the beam axis is shown on the left axis. Components: , black; , blue; , red; and , green. The composition at the SOL reflects neutral gas attenuation. The electron density profile (data, diamonds; fit, dashed line) is plotted on the right axis.

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/content/aip/journal/rsi/79/10/10.1063/1.2965213
2008-10-31
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Compact, accurate description of diagnostic neutral beam propagation and attenuation in a high temperature plasma for charge exchange recombination spectroscopy analysisa)
http://aip.metastore.ingenta.com/content/aip/journal/rsi/79/10/10.1063/1.2965213
10.1063/1.2965213
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