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Propagation of solar cosmic rays: Diffusion versus focused diffusion

โœ Scribed by L. G. Kocharov; J. Torsti; R. Vainio; G. A. Kovaltsov

Publisher
Springer
Year
1996
Tongue
English
Weight
257 KB
Volume
165
Category
Article
ISSN
0038-0938

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โœฆ Synopsis

This paper is designed to bring to the attention the fact that the effect of focusing of solar energetic particles is always essential as compared with scattering, no matter how small the value of the mean free path may be. That is why, an ordinary ( 'focusing-free' ) diffusion approach can not be applied to the solar cosmic ray transport. In the case of high-energy solar particles, the focused diffusion is demonstrated to lead to a power law decay of energetic particle intensity much like an ordinary diffusion. However, the power law index of the decay is 'renormalized' by the focusing.

๐Ÿ“œ SIMILAR VOLUMES

The effect of a bounded interplanetary d
The effect of a bounded interplanetary diffusion medium on the propagation of solar flare cosmic rays
โœ Julius Feit ๐Ÿ“‚ Article ๐Ÿ“… 1971 ๐Ÿ› Springer ๐ŸŒ English โš– 859 KB

An analysis of solar flare data indicates that the graph of log(ntZ/(2-~)) deviates late in the solar event from the straight line predicted for the infinite, unbounded interplanetary medium. It is shown by mathematical analysis, utilizing a model based on the radial diffusion coefficient D =MRS, wi