On Big Bang Relics, the Neutrino Mass and the Cosmic Ray Spectrum

Details On Big Bang Relics, the Neutrino Mass and the Cosmic Ray Spectrum On Big Bang Relics, the Neutrino Mass and the Cosmic Ray Spectrum

1998-11-13

arxiv.org/abs/hep-ph/9811324v1

Nucl.Phys.Proc.Suppl. 85 (2000) 305-310

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 2 figures, submitted to PRL

Scientific paper

10.1016/S0920-5632(00)00522-3

It is shown that high energy features of the cosmic ray spectrum, in particular the kink around 4 PeV and the corresponding change in spectral index, may be explained from interactions between highly energetic protons and relic Big Bang antineutrinos, if the latter have a rest mass of about 0.4 eV/$c^2$. This explanation is supported by experimental data from extensive air-shower experiments.

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