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Both the Tokamak Fusion Test Reactor and the Joint European Torus, two large magnetic confinement fusion devices, use high powered tritium beams. The suggestion is 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 neutraliser. Measurements performed with deuterium and hydrogen and the beam contamination that occurs in such an operating mode are described.

Additional information

Authors: DESCHAMPS G, JET Joint Undertaking, Abingdon, Oxon. (GB);GRISHAM L R, Princeton University, Plasma Physics Laboratory, Princeton, New Jersey (US);FALTER H D, JET Joint Undertaking, Abingdon, Oxon. (GB);HEMSWORTH R, JET Joint Undertaking, Abingdon, Oxon. (GB)
Bibliographic Reference: Report: JET-P(89)24 EN (1989)
Availability: Available from the Publications Officer, JET Joint Undertaking, Abingdon, Oxon. OX14 3EA (GB)
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