Transport of cosmic rays in the solar corona |
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Authors: | L A Fisk K H Schatten |
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Institution: | (1) NASA/Goddard Space Flight Center, Greenbelt, Md., U.S.A.;(2) Present address: Physics Dept., Victoria University, Wellington, New Zealand |
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Abstract: | A model is proposed to explain the transport of energetic protons in the solar corona. The particles are assumed to undergo an enhanced gradient-B drift along thin current sheets separating discontinuous field structures in the corona. These discontinuities may represent the extension into the corona of photospheric granular and supergranular cell boundaries. We have made a quantitative analysis of this process by assuming that the particle propagation can be described by a diffusion equation. Comparison of predictions of the model with cosmic ray observations at 1 AU provide some support for the model. |
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