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Abstract

Different diagnostic information has been employed in JET to identify the level of interaction between lower hybrid (LH) waves and fast ions accelerated up to a few MeV by ion cyclotron waves. It is found that up to 25 % of the LH power can be absorbed by fast ions under specific plasma conditions. Fourier analysis of neutron emission rates and fast ion energy signals during LH modulation experiments show that the level of interaction depends on the relative position of the cyclotron resonance and the LH absorption layers.

Additional information

Authors: RAMOS DE ANDRADE M C, Instituto de Física da Universidade de Sao Paulo (BR);BRUSATI M ET AL., JET Joint Undertaking, Abingdon, Oxon. (GB);RIGHI E, Imperial College of Science, Technology and Medicine, London (GB)
Bibliographic Reference: Report: JET-P(93)95 EN (1993)
Availability: Available from the Publications Officer, JET Joint Undertaking, Abingdon, Oxon. OX14 3EA (GB)
Record Number: 199410032 / Last updated on: 1994-11-28
Category: PUBLICATION
Original language: en
Available languages: en