Formation of acceleration protons ahead of the front of a departed wave

Details Formation of acceleration protons ahead of the front of a departed wave Formation of acceleration protons ahead of the front of a departed wave

Feb 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990ge%26ae..30...27l&link_type=abstract

Geomagnetizm i Aeronomiia (ISSN 0016-7940), vol. 30, Jan.-Feb. 1990, p. 27-31. In Russian.

Computer Science

Magnetospheric Proton Density, Particle Acceleration, Particle Diffusion, Shock Waves, Wave Fronts, Energetic Particles, Magnetic Pumping, Magnetohydrodynamic Turbulence, Planetary Magnetic Fields, Power Spectra

Scientific paper

The paper examines the possible formation of intermediate and diffusion particles in proton events in the foreshock region of the earth via a magnetic pumping mechanism. A transport equation is obtained which includes convection, spatial diffusion, and Alfven acceleration. It is shown that the variable magnetic field of quasi-monochromatic compression waves can generate (under the condition of particle scattering by MHD turbulence) a power spectrum of accelerated protons up to energies of 100-120 keV. The particle spectrum is obtained, and its dependence on the parameters of the acceleration region is investigated.

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