Abstract
A theory of the transport of an anisotropic pulse of charged particles injected into the interplanetary magnetic field is applied to an anisotropic ground level event on 24 May 1990. For this event the kinetic regime is considered when the mean free path is comparable with the distance from particle source. Both the source angular particle distribution and the angular dependence of a detector response are included. The theoretically predicted temporal profiles are compared with the particle intensity records measured by several neutron monitors with different asymptotic directions.
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Fedorov, Y., Stehlik, M., Kudela, K. et al. Non-diffusive particle pulse transport – Application to an anisotropic solar GLE. Solar Physics 208, 325–334 (2002). https://doi.org/10.1023/A:1020581705981
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DOI: https://doi.org/10.1023/A:1020581705981