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Do Low-energy Cosmic-ray Electrons indicate Very Heavy Primaries?

Abstract

Supernovae are the likely origin of cosmic ray nuclei. This is because beams of cosmic rays seem to contain nuclei heavier than iron in astrophysically significant quantities.

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BRUNSTEIN, K. Do Low-energy Cosmic-ray Electrons indicate Very Heavy Primaries?. Nature 218, 649–652 (1968). https://doi.org/10.1038/218649a0

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