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Solution to the Fokker-Planck Equation for High-Energy Ions
KTH. (Fusionsplasmafysik)ORCID iD: 0000-0001-6379-1880
1987 (English)In: Nuclear Fusion, ISSN 0029-5515, E-ISSN 1741-4326, Vol. 27, p. 1173-1180Article in journal (Refereed) Published
Abstract [en]

A steady state solution of the Fokker-Planck equation for the distribution in pitch angle and velocity of ions slowing down into a multispecies Maxwellian plasma is given. It is assumed that the ions remain on the same flux surface while slowing down. The analysis extends previous results to the velocity regime 1.8vi < v < 0.8ve, where vi and ve are the ion and electron thermal velocities. Consequently, the solution models the 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.

Place, publisher, year, edition, pages
1987. Vol. 27, p. 1173-1180
National Category
Natural Sciences
Research subject
Physics
Identifiers
URN: urn:nbn:se:kth:diva-240874OAI: oai:DiVA.org:kth-240874DiVA, id: diva2:1275205
Note

QCR 20190128

Available from: 2019-01-04 Created: 2019-01-04 Last updated: 2019-01-28Bibliographically approved

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http://iopscience.iop.org.focus.lib.kth.se/article/10.1088/0029-5515/27/7/011

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