Some problems with developing a standard for determining solar energetic particle fluxes |
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Authors: | RA Nymmik |
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Institution: | Skobeltsyn Institute of Nuclear Physics, Moscow State University, Leninskie Gory, Moscow 119991, Russia |
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Abstract: | Based on the author’s experience in ISO TC20/SC14 Working Group 4, this paper discusses the common problems encountered when developing a standard for solar energetic particle (SEP) fluxes. The problem involving the reliability of the distribution function describing the SEP events and the interpolation of this function into the region of not-yet-observed large events are discussed. The problems with describing the fluences of SEPs over a wide range of energy in the form of energetic spectra are analyzed. Requirements for SEP flux models are formulated. The reliability of some SEP flux models is determined by comparing their predictions with the experimental data. |
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Keywords: | Space standards Solar energetic particle modelling |
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