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Published 2001 | Published
Book Section - Chapter Open

Fluences of Solar, Heliospheric, and Galactic Particles at 1 AU

Abstract

We report energy spectra of He, O, and Fe nuclei from ~0.3 keV/nucleon to ~300 MeV/nucleon, integrated from late-1997 to mid-2000. These fluence measurements were made at 1 AU using data from instruments on ACE, and include contributions from fast and slow solar wind, coronal mass ejections, pickup ions, impulsive and gradual solar particle events, particles accelerated in corotating interaction regions and other interplanetary shocks, and anomalous and galactic cosmic rays. Fluence measurements of six additional species are presented from ~0.04 to ~100 MeV/nucleon. We discuss the relative contributions of various particle components, comment on the energy spectra, and consider the implications for particle acceleration processes, cosmic ray spectra and particles implanted in the lunar soil.

Additional Information

© Copernicus Gesellschaft 2001. This research was supported by NASA at each of the participating institutions.

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