Energy Dispersion of Solar Particle Events Over the Solar Cycle: SOHO/COSTEP

Details Energy Dispersion of Solar Particle Events Over the Solar Cycle: SOHO/COSTEP Energy Dispersion of Solar Particle Events Over the Solar Cycle: SOHO/COSTEP

May 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002agusmsh41a..09p&link_type=abstract

American Geophysical Union, Spring Meeting 2002, abstract #SH41A-09

Physics

7513 Coronal Mass Ejections, 7519 Flares, 7807 Charged Particle Motion And Acceleration, 2118 Energetic Particles, Solar, 2162 Solar Cycle Variations (7536)

Scientific paper

Since its launch in 1995 the Comprehensive Suprathermal and Energetic Particle Analyser (COSTEP) observed more than 300 solar energetic particle events. Remarkably, with high resolution pulse height analysis we found that about half of the events above 4 MeV/n reveal the presence of nucleon energy dispersion. The nature of this energy dispersion is being analyzed with respect to the particle acceleration processes at the Sun. In combination with remote sensing and in situ data we utilize COSTEP observations to infer connectivity to the site of the observed flares and CMEs. Furthermore, we investigate particle transport from the Sun to 1 AU with special emphasis on the changing levels of complexity of the heliospheric magnetic field over the course of the solar cycle.

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