Mechansims for latitudinal transport of energetic particles in the heliosphere

L. A. Fisk, J. Randy Jokipii

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Energetic particles in the heliosphere, from relatively low-energy particles which are accelerated in Corotating Interaction Regions (CIRs) to galactic cosmic rays, are observed to propagate relatively easily in heliographic latitude. Two mechanisms for this transport appear possible: cross-field diffusion, or, in a recent model for the heliospheric magnetic field, by direct magnetic connection. The commonalties and differences of these two mechanisms are considered, and the need for future observations and modeling efforts are discussed.

Original languageEnglish (US)
Pages (from-to)115-124
Number of pages10
JournalSpace Science Reviews
Issue number1-2
Publication statusPublished - 1999


ASJC Scopus subject areas

  • Space and Planetary Science
  • Astronomy and Astrophysics

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