Scattering, injection and acceleration of field aligned beam ions at quasi-parallel shock: a hybrid simulation study

Kis, Árpád (2018) Scattering, injection and acceleration of field aligned beam ions at quasi-parallel shock: a hybrid simulation study. High Enegy Density Physics. ISSN 1574-1818 (Submitted)

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Abstract

The process of injection into the first-order Fermi acceleration, also called diffusive shock acceleration or DSA, at quasi-parallel shocks is still not completely understood. In our analysis, we study the scattering and the acceleration of field aligned beam ions in the foreshock region of a quasi-parallel shock by using a 1D hybrid simulation setup. Test particles are introduced into the simulation box in a developed foreshock wave field and these particles are followed until the end of the experiment. Our results show that more than 40% of the original FAB ions reach the shock and become accelerated to energies that are typical of diffuse ions. Keywords: collisionless plasma, diffusive shock acceleration, ion injection

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