Abstract

Ionization rates in the C-Stellarator discharges of helium and hydrogen, with Ohmic heating, are deduced from measured electron densities, temperatures, and the intensities of certain spectrum lines. Particle loss rates are obtained from the difference between the ionization rates and the observed changes in electron densities. It is shown that the average charged particle confinement time varies linearly with the confining field and the aperture of the current channel and inversely with the electron temperature. The confinement time is the same for helium and hydrogen and is not explicitly dependent on ohmic heating current or particle density.

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