JET-P(89)24

Extracted Beam Composition with a Mixed Isotope Feed

Both the Tokamak Fusion Test Reactor and the Joint European Torus, two large magnetic confinement fusion devices, will use high powered tritium beams. The suggestion has been made that tritium consumption could be reduced if tritium is only fed into the plasma source and deuterium or hydrogen is used as neutralisation target by operating with deuterium fed independently into the neutralizer. We report on measurements we performed with deuterium and hydrogen and of the beam contamination that occurs in such an operating mode.
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JETP89024 529.78 Kb