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Abstract

A steady state solution to the Fokker-Planck equation for the distribution in pitch angle and velocity of fast ions slowing down into a multispecies Maxwellian plasma is given. The analysis extends previous results to the velocity regime 1.8 v-i <v<0.8 v-e, where v-i and v-e are the ion and electron thermal velocities, respectively. Consequently the solution models classical slowing down of fusion reaction products, such as alpha- particles. The solution also covers, and corrects, earlier results for the distribution function of slowing down neutral beam ions.

Additional information

Authors: SCHEFFEL J ROYAL INSTITUTE OF TECHNOLOGY, STOCKHOLM (SWEDEN), ROYAL INSTITUTE OF TECHNOLOGY, STOCKHOLM (SWEDEN)
Bibliographic Reference: WRITE TO THE DEPARTMENT OF PLASMA PHYSICS AND FUSION RESEARCH, ROYAL INSTITUTE OF TECHNOLOGY, S-100 44 STOCKHOLM (SWEDEN), MENTIONING REPORT TRITA-PFU-85-09, 1985
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