Relating Solar Energetic Proton Populations Observed Within the Terrestrial Magnetosphere to Coronal Mass Ejections, Magnetic Flux Ropes observations at 1 AU

Details Relating Solar Energetic Proton Populations Observed Within the Terrestrial Magnetosphere to Coronal Mass Ejections, Magnetic Flux Ropes observations at 1 AU Relating Solar Energetic Proton Populations Observed Within the Terrestrial Magnetosphere to Coronal Mass Ejections, Magnetic Flux Ropes observations at 1 AU

Dec 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agufmsh23b1643k&link_type=abstract

American Geophysical Union, Fall Meeting 2008, abstract #SH23B-1643

Physics

7509 Corona, 7513 Coronal Mass Ejections (2101), 7514 Energetic Particles (2114), 7519 Flares, 7524 Magnetic Fields

Scientific paper

We report the results of a correlative study of interplanetary characteristics of Coronal Mass Ejections (CME) , Magnetic Flux Ropes and Solar Energetic Protons (SEP) observed within the terrestrial magnetosphere. SEPs access not only the polar regions via open field lines but also reach lower latitudes depending upon their rigidities and the time-variable cutoff during active periods. These penetrating SEPs may get trapped and form new radiation belts which have widely varying lifetimes. We will investigate the relationship between the terrestrial SEPs and interplenatary CMEs and shock parameters using data from multiple spacecraft. SEP observations will use measurements by instruments onboard the SAMPEX and Polar spacecraft. Interplanetary CMEs and shock parameters will be characterized by measurements from the ACE, WIND, and SOHO spacecraft. The findings of such correlative studies may help to understand the processes responsible for stable trapping of SEPs and the subsequent formation of new radiation belts.

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