Segue Virtual Journal

JINA - Segue Virtual Journal, 4 March 2016

Volume 11, Issue 10 (15 Articles)

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# 15 - A large light-mass component of cosmic rays at 10¹⁷–10^17.5 electronvolts from radio observations
- High-resolution radio measurements of air showersâcascades of secondary particles in the atmosphere initiated by cosmic raysâreveal that cosmic rays with energies of 10â10 electronvolts have a mixed composition, with light elements (protons and helium nuclei) making up 80 per cent of their mass.
- Nature - Volume: 531, Issue: 7592
- 10-134

This material is based upon work supported in part by the U.S. Department of Energy, Office of Science, Office of Nuclear Physics, under Award Number DE-SC0026204.