Phenomenology of High Energy Neutrinos in Low-Scale Quantum Gravity Models

Abstract

We show that neutrino telescopes, optimized for detecting neutrinos of TeV to PeV energy, can reveal threshold effects associated with TeV-scale gravity. The signature is an increase with energy of the cross section beyond what is predicted by the Standard Model. The advantage of the method is that the neutrino cross section is measured in an energy region where i) the models are characteristically distinguishable and ii) the Standard Model neutrino cross section can be reliably calculated so that any deviation can be conclusively identified.

arXiv comment4 pages, Revtex (PRL format), 4 postscript figures. Version to appear in Physical Review Letters

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