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Abstract

The single particle model has been used to describe electron cyclotron resonance heating. Fielding's method of calculating the diffusion coefficient has been simplified and extended to include the effect of finite beam width. It is shown how this effect and the effect of the rotational transform lead to a spreading of the resonance over a wider class of particles and how the diffusion coefficient should be averaged over a magnetic surface or surfaces. The spreading of the resonance due to these effects is expected to increase the threshold for saturation of the heating to occur.

Additional information

Authors: CAIRNS R A, CULHAM LABORATORY, ABINGDON, OXON (UK);LASHMORE DAVIES C N CULHAM LABORATORY, ABINGDON, OXON (UK), CULHAM LABORATORY, ABINGDON, OXON (UK)
Bibliographic Reference: AVAILABILITY: WRITE TO THE LIBRARIAN, UKAEA, CULHAM LABORATORY, ABINGDON, OXON., OX14 3DB (ENGLAND), MENTIONING REPORT CLM-P 731, 1984
Record Number: 1989123084600 / Last updated on: 1987-01-01
Category: PUBLICATION
Available languages: en
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