Physics
Scientific paper
Oct 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002esasp.505..337a&link_type=abstract
In: SOLMAG 2002. Proceedings of the Magnetic Coupling of the Solar Atmosphere Euroconference and IAU Colloquium 188, 11 - 15 Jun
Physics
1
Sun, Flares: Particle Acceleration, Radiation, Cellular Automata, Self Organized Criticality
Scientific paper
We present a model for the acceleration and radiation of solar energetic particles (electrons) in an evolving active region. The spatio-temporal evolution of the active region is calculated using a Cellular Automaton (CA) model for the energy release process. The acceleration of particles is due to the presence of randomly placed, localized electric fields. We calculate the resulting kinetic energy distributions of the particles by performing a parametric study with respect to the trapping time of the injected distribution. Our results show a power law or a power law with an exponential tail behavior for the resulting kinetic energy distribution, depending on the maximum trapping time of the injected particles in the acceleration volume. Finally we calculate the emitted radiation spectrum from the resulting energy distributions.
Anastasiadis Anastasios
Gontikakis C.
Vilmer Nicole
Vlahos Loukas
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