Physics
Scientific paper
Sep 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980jgr....85.4577g&link_type=abstract
Journal of Geophysical Research, vol. 85, Sept. 1, 1980, p. 4577-4586.
Physics
19
Earth Magnetosphere, Helium Ions, Helium Plasma, Magnetohydrodynamic Waves, Plasma Composition, Proton Energy, Anisotropic Media, Atmospheric Energy Sources, Cold Plasmas, Energetic Particles, Plasma Diffusion, Plasma Frequencies, Propagation Modes
Scientific paper
The diffusion of He(plus) ions under the influence of electromagnetic waves generated by a hot anisotropic proton distribution in a multicomponent plasma is examined. With computed diffusion curves, it is shown that for small concentrations of the He(plus) ions energy values up to and above suprathermal energies (not less than 20 eV) can be attained and even occasionally reach the order of the Alfven energy of the cold ions. The characteristic diffusion times of the different particle species are evaluated showing that energy diffusion for He(plus) ions, and pitch angle diffusion for protons are the most efficient processes. An assessment of the maximum energy transfer from photons to helium ions is made. The above phenomena are discussed in relation to recent satellite observations of an association existing between ULF waves and the presence of thermal or supra-thermal He(plus) ions in the equatorial region of the magnetosphere (Young et al., 1979).
Gendrin Roger
Roux Alain
No associations
LandOfFree
Energization of helium ions by proton-induced hydromagnetic waves does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Energization of helium ions by proton-induced hydromagnetic waves, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Energization of helium ions by proton-induced hydromagnetic waves will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-908120