Origin, Injection, and Acceleration of CIR Particles: Theory Report of Working Group 7
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On the basis of the observational picture established in the report of Mason, von Steiger et al. (1999) the status of theoretical models on origin, injection, and acceleration of particles associated with Corotating Interaction Regions (CIRs) is reviewed. This includes diffusive or first-order Fermi acceleration at oblique shocks, adiabatic deceleration in the solar wind, stochastic acceleration in Alfvén waves and oblique propagating magnetosonic waves, and shock surfing as possible injection mechanism to discriminate pickup ions from solar wind ions.
KeywordsSolar Wind Energetic Particle Solar Wind Speed Shock Acceleration Reverse Shock
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