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In a toroidal plasma the distribution function of ions interacting resonantly with waves in the Ion Cyclotron Range of Frequencies (ICRF) can be described with a three-dimensional orbit-averaged Fokker-Planck equation. This equation can be solved with a Monte Carlo method. Explicit expressions for the Monte Carlo operator describing wave particle interaction, within the frame-work of quasi-linear theory, are given. Furthermore, properties of the operator are discussed.

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Authors: ERIKSSON L G, JET joint Undertaking, Abingdon (GB);MANTSINEN M J, Helsinki University of Technology. Espoo (FI);HELLSTEN T, Alfvén Laboratory, Royal Institute of Technology, Stockholm (SE);CARLSSON J, Alfvén Laboratory, Royal Institute of Technology, Stockholm (SE)
Bibliographic Reference: Article: On the Orbit-averaged Monte Carlo Operator describing ICRF Wave Particle interaction in a Tokamak, JET-P(98)39
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