Modeling of 3-D Corotating Cosmic-Ray Structures in the Heliosphere |
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Authors: | Kóta J Jokipii JR |
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Institution: | (1) The University of Arizona, Tucson, AZ, 85721, U.S.A. |
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Abstract: | We present a brief review of the modeling of corotating 3-dimensional features in heliospheric cosmic rays. The model heliosphere incorporates a wavy current sheet and Corotating Interaction Regions (CIRs). We find that present models can qualitatively account for the observed extension of recurrent 26-day cosmic-ray variations to high heliospheric latitudes if perpendicular diffusion is significant. The recurrent enhancement of low-energy (MeV) particles accelerated at CIR-s is also shown to fit into this same picture. |
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Keywords: | Cosmic Rays 3-D models corotating structures 26-day variations |
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