Relativistic SCRs during the events of solar cycle 19 |
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| Authors: | E V Vashenyuk Yu V Balabin B B Gvozdevsky A V Germanenko |
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| Institution: | (1) Polar Geophysical Institute, Apatity Division, Kola Scientific Center, Russian Academy of Sciences, ul. Fersmana 14, Apatity, Murmansk oblast, 184209, Russia |
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| Abstract: | Two major ground-level SCR events in solar cycle 19 are analyzed: the events of May 4 and November 12, 1960. The characteristics of relativistic solar protons (RSPs) have been obtained using the up-to-date method based on the data from the ground based network of neutron monitors. The event of May 4, 1960, occurred against a quiet background, and during the event of 12.11.1960 two shocks, caused by previous flares in the same active region, approached the Earth. The RSP dynamics, related to disturbances in the interplanetary medium, is studied. The solar proton spectra, obtained from the ground-based measurements, are compared to the direct balloon measurements performed at that time. |
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