Mathematics
Scientific paper
Jan 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976kosis..14..144p&link_type=abstract
Kosmicheskie Issledovaniia, vol. 14, Jan.-Feb. 1976, p. 144-146. In Russian.
Mathematics
Auroral Spectroscopy, Polar Regions, Proton Precipitation, Upper Atmosphere, H Lines, Monte Carlo Method, Proton Beams, Radiation Belts, Trapped Particles
Scientific paper
A mathematical model is constructed to describe the intrusion of proton beams into the auroral polar atmosphere. The Monte Carlo method is used to calculate the intrusion of protons into the upper atmosphere with consideration of the true (three-dimensional) motion of the penetrating particles. Current data on the nuclear cross-sections of elementary processes and models describing the distribution of the various components of the upper atmosphere are taken into account. On the basis of these calculations, it is suggested that the form and continuity of the observed hydrogen emissions in proton polar aurora are the result of the intrusion of protons with a mean energy of about 10 keV and with various path angle distributions. The most likely distribution is quasi-trapped with the intensity at path angles small in comparison with an isotropic distribution.
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