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VOLUME 32 (1980) | ISSUE 6 | PAGE 412
Investigation of the transfer of impurities in experiments on the injection of macroparticles into FT-1 Tokamak
A collapse of perturbation of the impurities (Li, С, O, Si, Ti, stainless steel, Cu, Mo, W), which was introduced into the central region of the plasma by a macroparticle, is investigated. It is shown that the impurities are extracted from the discharge with a characteristic time r that depends weakly on their type. The values of r are determined according to the prediction of the theory which takes into account the poloidal rotation of the plasma.