Energetic ion acceleration at collisionless shocks

Details Energetic ion acceleration at collisionless shocks Energetic ion acceleration at collisionless shocks

Aug 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985icrc....4..166d&link_type=abstract

In NASA. Goddard Space Flight Center 19th Intern. Cosmic Ray Conf., Vol. 4 p 166-169 (SEE N85-34729 23-92)

Physics

Energetic Particles, Interplanetary Medium, Ion Accelerators, Shock Fronts, Shock Waves, Energy Spectra, Kinetic Energy, Simulation, Solar Wind

Scientific paper

An example is presented from a test particle simulation designed to study ion acceleration at oblique turbulent shocks. For conditions appropriate at interplanetary shocks near 1 AU, it is found that a shock with thetaB n = 60 deg is capable of producing an energy spectrum extending from 10 keV to approx. 1 MeV in approx 1 hour. In this case total energy gains result primarily from several separate episodes of shock drift acceleration, each of which occurs when particles are scattered back to the shock by magnetic fluctuations in the shock vicinity.

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