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The fast ion and alpha-particle diagnostic at JET is based on collective Thomson scattering of high power mm-wave radiation. The principal aim of the diagnostic will be the measurement of the spatially resolved velocity distribution of fast alpha-particles when tritium is introduced in JET plasmas, although several other applications are foreseen. First measurements were made of the thermal and mildly suprathermal (induced by ICRH) ion feature. The results confirmed expectations, indicating that the diagnostic should give the predicted performance for observation of alpha-particle populations in the DT-phase.

Additional information

Authors: HOEKZEMA J A ET AL, JET Joint Undertaking, Abingdon, Oxon. (GB);HUGHES T P, University of Essex, Department of Physics, Colchester (GB)
Bibliographic Reference: Report: JET-P(96)40 EN (1996) 12pp.
Availability: Available from the Publications Officer, JET Joint Undertaking, Abingdon, Oxon, OX14 3EA (GB)
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