Acceleration and Radiation Model of Particles in Solar Active Regions

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Flares, Particle Acceleration, Particle Emission, Solar Wind

Scientific paper

Cellular Automata (CA) models have successfully reproduced several statistical properties of solar flares such as the peak flux or the total flux distribution. We are using a CA model based on the concept of self organized criticality (SOC) to model the evolution of the magnetic energy released in a solar flare. Each burst of magnetic energy released is assumed to be the consequence of a magnetic reconnection process, where the particles are accelerated by a direct electric field. We relate the difference of energy gain of particles (alpha particles, protons and electrons) to the magnetic energy released and we calculate the resulting kinetic energy distributions and the emitted radiation.

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