Persistent Sunward Flow of ~1.6 MeV Protons at 1 Au

Abstract

The anisotropy of 1.3 to 2.3 MeV protons has been measured with the Caltech Electron/Isotope Spectrometer aboard IMP-7 for periods between prompt solar particle events from 72/273 to 74/2. The diffusive anisotropy, which has been computed by subtracting the independently determined. convective anisotropy from the observed anisotropy, is predominantly directed toward the sun with a typical radial component of 14%.

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