Interstellar Cosmic Ray Spectra from the Nonthermal Radio Background from 0.4 to 400 MHz
- 25 May 1970
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 24 (21), 1193-1196
- https://doi.org/10.1103/physrevlett.24.1193
Abstract
We deduce the interstellar electron spectrum from the nonthermal radio background. From 200 MeV to a few GeV the spectral index is 1.8 and there is evidence for residual solar modulation. Above a few GeV, the spectrum is steeper and the intensity is similar to that observed at earth. A consistent modulation for electrons and protons of the same rigidity can be obtained by using the complete diffusion-convection energy-loss theory of solar modulation.Keywords
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