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Abstract

The first measurements of the electron power deposition profile for ICRF heating on JET are presented. In the two-ion regime (H or He**3 in D-H or D-He**3 plasmas), it is found that the power deposited directly to the electrons is strongly peaked within the volume limited by q = 1. Indeed, "giant" sawteeth have been induced by application of RF at megawatt power levels. The sawtooth amplitude and period appear dependent on both the location of the cyclotron resonance layer and k-" spectrum of the antenna.

Additional information

Authors: GAMBIER D J, JET JOINT UNDERTAKING, ABINGDON (UK);BARTLETT D V, JET JOINT UNDERTAKING, ABINGDON (UK);BURES M, JET JOINT UNDERTAKING, ABINGDON (UK);CAMPBELL D J, JET JOINT UNDERTAKING, ABINGDON (UK);COTTRELL G A, JET JOINT UNDERTAKING, ABINGDON (UK);JACQUINOT J, JET JOINT UNDERTAKING, ABINGDON (UK);KISSEL S, JET JOINT UNDERTAKING, ABINGDON (UK);LALLIA P P, JET JOINT UNDERTAKING, ABINGDON (UK);NIESTADT R JET JOINT UNDERTAKING, ABINGDON (UK), JET JOINT UNDERTAKING, ABINGDON (UK)
Bibliographic Reference: 12TH EUROPEAN CONFERENCE ON CONTROLLED FUSION AND PLASMA PHYSICS, BUDAPEST (HUNGARY), SEPT. 2-6, 1985 PP. 105-108 WRITE TO THE PUBLICATIONS OFFICER, JET JOINT UNDERTAKING, ABINGDON, OXON, OX14 3EA (UK), MENTIONING REPORT JET-P(85)10, 1985
Record Number: 1989124054400 / Last updated on: 1987-01-01
Category: PUBLICATION
Available languages: en