Physics
Scientific paper
Sep 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000kfnts...3..504c&link_type=abstract
Kinematika i Fizika Nebesnykh Tel, Suppl, no. 3, p. 504-507
Physics
Scientific paper
Numerical simulation was carried out in the present paper to demonstrate the effect of the pitch-angle scattering on the phase space distribution of proton omnidirectional fluxes in the Earth magnetosphere. It was shown that for Mc'Ilvine parameter of order 2-4 even a small order of magnitude of the pitch-angle diffusion coefficient may essentially affects the phase space distribution of the radiation belt proton fluxes. It was also shown that for the purpose of the appropriate description of the protons behaviour at low altitude in the Earth magnetosphere the neutron albedo should be taken into account. Numerical modeling carried out clarifies that for the future predictions on the satellite measurements of proton distributions it is expedient to obtain the reliable theoretical pitch-angle quasilinear diffusion coefficients as well as to have the adequate physical model for the neutron albedo at low altitudes.
Cheremnykh O. K.
Goloborod'Ko Ya. V.
Reznik S. N.
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