Abstract

The possibility of determination of evolution of the plasma isotope composition from Alfven oscillation frequency in discharges with pulsed deuterium puffing into hydrogen plasma and hydrogen into deuterium plasma in ohmically heated plasma in TUMAN-3M tokamak is discussed. Isotopic ratio found from the Alfven oscillation spectra by this method is relative concentrations of hydrogen nH/(nH+nD) or deuterium nD/(nH+nD) in the mixed hydrogen-deuterium plasma. These values were found to agree qualitatively with the results of optical spectroscopy measurements and with neutral particle analysis data.

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