Abstract
The explosive release of energy stored in sheared magnetic fields and its subsequent transformation to a large extent into kinetic energy of charged particles is a common phenomenon occurring in plasmas throughout the universe from a place as close as the Earth's magnetosphere to objects at cosmological distances such as quasars. On this vast distance scale the Sun is of crucial importance for the understanding of these physical processes. Due to its proximity, flares can be investigated in the gamma-ray regime, which is the domain where the accelerated particles leave their fingerprints most clearly and flare-generated particles can be recorded in space and related to particular events.
In this paper we discuss the production of gamma-ray line radiation and neutrons and approach the problem of the acceleration and energy release of charged particles from the viewpoint of the observer.
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Rieger, E. (1992). Nuclear reactions in flares. In: Švestka, Z., Jackson, B.V., Machado, M.E. (eds) Eruptive Solar Flares. Lecture Notes in Physics, vol 399. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-55246-4_93
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