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The information provided by different diagnostics has been combined in order to characterise the fast electron distribution function in lower hybrid current drive experiments on JET. In particular, X-ray and electron cyclotron emission data are complementary in defining the fast electron energy content in the directions parallel and perpendicular to the magnetic field. A numerical analysis chain has been developed which identifies the main moments of the distribution function of the current carrying fast electrons, and allows simulations based on these moments to be compared with X-ray emission, electron cyclotron emission and magnetic data. The method of analysis and the associated diagnostics are described, and results are presented which have been obtained during the lower hybrid current drive campaign on JET.

Additional information

Authors: BRUSATI M ET AL., JET Joint Undertaking, Abingdon, Oxon. (GB);AIROLDI A, ENEA, Instituto di Fisica del Plasma, Milano (IT);RAMPONI G, ENEA, Instituto di Fisica del Plasma, Milano (IT);DA SILVA R P, Universidade de Sao Paulo, Laboratório de Física dos Plasmas (BR);PEYSSON Y, CEA, Département de Recherches sur la Fusion Contrôlée, CEN Cadarache, Saint-Paul-lez-Durance (FR)
Bibliographic Reference: Report: JET-P(93)54 EN (1993) 40 pp.
Availability: Available from the Publications Officer, JET Joint Undertaking, Abingdon, Oxon. OX14 3EA (GB)
Record Number: 199311236 / Last updated on: 1994-11-29
Original language: en
Available languages: en