Angioni, C. (Clemente) and Peeters, A. G. (2008) Gyrokinetic calculations of diffusive and convective transport of alpha particles with a slowing-down distribution function. Physics of Plasmas, Vol.15 (No.5). doi:10.1063/1.2913610 ISSN 1070-664X.

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Abstract

Quasilinear gyrokinetic calculations of the transport of fast alpha particles with a slowing-down equilibrium distribution function in the trace limit are presented. Diffusive and convective contributions to the total flux are separated and their dependence on the ratio of the fast particle energy to the background plasma temperature is investigated. The results are compared with those obtained in the case an equivalent Maxwellian distribution function is assumed for the fast particles. On the basis of the gyrokinetic results, simple models for alpha particle transport are proposed for transport modeling purposes. (c) 2008 American Institute of Physics.

Item Type:	Journal Article
Subjects:	Q Science > QC Physics
Divisions:	Faculty of Science, Engineering and Medicine > Science > Physics
Library of Congress Subject Headings (LCSH):	Transport theory -- Mathematical models, Plasma dynamics, Alpha rays
Journal or Publication Title:	Physics of Plasmas
Publisher:	American Institute of Physics
ISSN:	1070-664X
Official Date:	May 2008
Dates:	Date Event May 2008 Published
Volume:	Vol.15
Number:	No.5
Number of Pages:	15
DOI:	10.1063/1.2913610
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access

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