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Critical ITER physics requirements and R&D issues are considered and the relevance and capability of JET in investigating these issues are discussed. JET gives its highest priority to a coherent programme in support of the design of an ITER divertor operating in a regime consistent with a small scrape-off length, and intends to perform critical tests of such divertor regimes in D/T plasmas. Initial results from JET after its extensive modifications are presented. These show that the new divertor has good power handling capability and carbon blooms, that often plagued the earlier campaign of high performance, have not yet been observed. Good progress in divertor characterisation and in achieving the H, VH-modes and full LHCD non-inductive current drive has been made. The work provides a valuable insight into ELM behaviour.

Additional information

Authors: JET TEAM, JET Joint Undertaking, Abingdon, Oxon. (GB)
Bibliographic Reference: Report: JET-P(94)65 EN (1994) 20 pp.
Availability: Available from the Publications Officer, JET Joint Undertaking, Abingdon, Oxon. OX14 3EA (GB)
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