Uncertainties in limits on TeV-gravity from neutrino-induced showers

Details Uncertainties in limits on TeV-gravity from neutrino-induced showers Uncertainties in limits on TeV-gravity from neutrino-induced showers

2003-12-17

arxiv.org/abs/hep-ph/0312249v3

Astropart.Phys.22:377-385,2005

Physics

High Energy Physics

High Energy Physics - Phenomenology

Changes to match published version

Scientific paper

10.1016/j.astropartphys.2004.06.

In models with TeV-scale gravity, ultrahigh energy cosmic rays can generate microscopic black holes in the collision with atmospheric and terrestrial nuclei. It has been proposed that stringent bounds on TeV-scale gravity can be obtained from the absence of neutrino cosmic ray showers mediated by black holes. However, uncertainties in the cross section of black hole formation and, most importantly, large uncertainties in the neutrino flux affects these bounds. As long as the cosmic neutrino flux remains unknown, the non-observation of neutrino induced showers implies less stringent limits than present collider limits.

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