The Turn-up in the Differential GCR Proton Energy Spectrum Below 100 Mev

Authors: Henry D. May

The high energy portion of galactic cosmic ray proton spectrum in the vicinity of Earth, above about 500 MeV per nucleon, can be well approximated by the “force field” model, whose only formal parameter is the modulation potential. Here I show that the entire spectrum can be well approximated by the force field model, when the force field is treated as an electric field. The analysis also explains the origin of the anomalously energetic ions in the low energy tail of the solar wind.

Comments: 6 Pages. Deleted first term from Eqs. 1 and 2 because it is zero.

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Submission history

[v1] 14 Nov 2011
[v2] 2011-11-29 10:06:32

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