Theoretical Studies of Interplanetary Magnetic Fields Turbulence and Cosmic Rays

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9307046 Jokipii This proposal seeks three years of continued support for a program of theoretical studies of a range of basic solar-wind properties and their interactions with cosmic rays. In this continuing program, the investigations undertaken will include studies of the large-scale morphology of the interplanetary magnetic field and plasma, with particular emphasis given to the effect of the field's structure on cosmic-ray and energetic- particle acceleration, propagation and anisotropies. A new part of this study will include a study of how cosmic rays can affect fluid flows such as the solar wind and perhaps even help accelerate the solar wind near the Sun. ***