Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2002-02-08
Phys.Rev.D65:124015,2002
Physics
High Energy Physics
High Energy Physics - Phenomenology
20 pages, 9 figures
Scientific paper
10.1103/PhysRevD.65.124015
If spacetime has more than four dimensions, ultra-high energy cosmic rays may create microscopic black holes. Black holes created by cosmic neutrinos in the Earth will evaporate, and the resulting hadronic showers, muons, and taus may be detected in neutrino telescopes below the Earth's surface. We simulate such events in detail and consider black hole cross sections with and without an exponential suppression factor. We find observable rates in both cases: for conservative cosmogenic neutrino fluxes, several black hole events per year are observable at the IceCube detector; for fluxes at the Waxman-Bahcall bound, tens of events per year are possible. We also present zenith angle and energy distributions for all three channels. The ability of neutrino telescopes to differentiate hadrons, muons, and possibly taus, and to measure these distributions provides a unique opportunity to identify black holes, to experimentally constrain the form of black hole production cross sections, and to study Hawking evaporation.
Alvarez-Muñiz Jaime
Feng Jonathan L.
Halzen Francis
Han Tao
Hooper Dan
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