Possible Signature of Low Scale Gravity in Ultra High Enegry Cosmic Rays

Details Possible Signature of Low Scale Gravity in Ultra High Enegry Cosmic Rays Possible Signature of Low Scale Gravity in Ultra High Enegry Cosmic Rays

2000-05-10

arxiv.org/abs/astro-ph/0005225v1

JETP Lett. 72 (2000) 97-99; Pisma Zh.Eksp.Teor.Fiz. 72 (2000) 145-149

Astronomy and Astrophysics

Astrophysics

5 pages, 3 figures

Scientific paper

10.1134/1.1316807

We show that the existence of low scale gravity at TeV scale could lead to a direct production of photons with energies above 10^22 eV due to annihilation of ultra high energy neutrinos on relic massive neutrinos of the galactic halo. Air showers initialized in the terrestrial atmosphere by these ultra energetic photons could be collected in near future by the new generation of cosmic ray experiments.

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