Application of a species-selective Penning gauge to the measurement of neon and hydrogen-isotope partial pressures in the plasma boundary

A species-selective Penning gauge, previously applied to He partial pressures, is now applied to the detection of small concentrations of Ne in a D2 gas. This is important for the study of Ne in the boundary region of magnetic fusion devices, where this impurity is deliberately injected to enhance t...

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Veröffentlicht in:	Review of Scientific Instruments 1997-01, Vol.68 (1), p.400-403
Hauptverfasser:	Klepper, C. C., Hillis, D. L., Wade, M. R., Maingi, R., McKee, G. R.
Format:	Artikel
Sprache:	eng
Schlagworte:	70 PLASMA PHYSICS AND FUSION BOUNDARY LAYERS DEUTERIUM DIVERTORS EMISSION SPECTRA HYDROGEN ISOTOPES NEON PARTIAL PRESSURE PHILIPS GAGES PLASMA DIAGNOSTICS PLASMA IMPURITIES PLASMA PRESSURE PRESSURE MEASUREMENT TOKAMAK DEVICES
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