A depression before a bump in the highest energy cosmic ray spectrum
- 15 June 1998
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 57 (12) , 7103-7107
- https://doi.org/10.1103/physrevd.57.7103
Abstract
We reexamine the interaction of ultrahigh energy nuclei with the microwave background radiation. We find that the giant dipole resonance leaves a new signature in the differential energy spectrum of iron sources located around 3 Mpc: A depression before a bump which is followed by the expected cutoff.Keywords
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