Why Black Hole Production in Scattering of Cosmic Ray Neutrinos Is Generically Suppressed

Dejan Stojkovic, Glenn D. Starkman, and De-Chang Dai
Phys. Rev. Lett. 96, 041303 – Published 1 February 2006

Abstract

It has been argued that neutrinos originating from ultrahigh energy cosmic rays can produce black holes deep in the atmosphere in models with TeV-scale quantum gravity. Such black-hole events could be observed at the Auger Observatory. However, any phenomenologically viable model with a low scale of quantum gravity must explain how to preserve protons from rapid decay. We argue that the suppression of proton decay will also suppress lepton-nucleon scattering and hence black-hole production by scattering of ultrahigh energy cosmic ray neutrinos in the atmosphere. We discuss explicitly the split fermion solution to the problem of fast proton decay.

  • Figure
  • Received 25 November 2005

DOI:https://doi.org/10.1103/PhysRevLett.96.041303

©2006 American Physical Society

Authors & Affiliations

Dejan Stojkovic1, Glenn D. Starkman1,2, and De-Chang Dai1

  • 1Department of Physics, Case Western Reserve University, Cleveland, Ohio 44106-7079, USA
  • 2Astrophysics Department, University of Oxford, Oxford, OX1 3RH, United Kingdom

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Issue

Vol. 96, Iss. 4 — 3 February 2006

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