Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1765015 | Advances in Space Research | 2012 | 7 Pages |
Abstract
Observations of charged particle fluxes in the stratosphere of the polar regions represent the cosmic rays variations with energy above 100Â MeV. At the end of 2009 these fluxes reached the highest level for the time of observations from mid 1957 and were by 17% higher than the previous extremum value of May 1965. In the mean time the ground-based neutron monitors showed the remarkably less count rate enhancement. These results argue for the significant change in the energy spectrum of incoming particles in 2008-2009 in the energy range of â¼100-1500Â MeV/n.
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Authors
G.A. Bazilevskaya, M.B. Krainev, V.S. Makhmutov, Yu.I. Stozhkov, A.K. Svirzhevskaya, N.S. Svirzhevsky,