Computer Science
Scientific paper
Mar 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006sunge...1a..27b&link_type=abstract
Sun and Geosphere, vol.1, no. 1, p. 27-30
Computer Science
1
Scientific paper
The proposed model generalizes the differential D(E) and integral D(>E) spectra of galactic (GCR) and anomalous (ACR) cosmic ray protons and heavier elements during the 11-year solar cycle. The model takes into account the cosmic ray (CR) modulation by the solar wind in the heliosphere. The measurements with the CAPRICE94 and IMAX experiments are examined with numerical solutions of the model equations. We analyze variations of the parameters during the solar activity for outer and Earth planets. The radial gradient G0 of GCR is relatively small in the inner heliosphere. After a transition region between 10 and 20 AU, G0 increases to a much larger value that remains constant between ~25 and 80 AU. This shows that the contribution of GCRs and ACRs to the ionization of the atmospheres of outer planets Uranus, Neptune and Pluto will be increased drastically. We discuss here the errors in the predictions of the model and we compute the limits on estimated model parameters.
Buchvarova M.
Velinov Peter I. Y.
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