trans-GZK Cosmic Rays: Strings, Black Holes, Neutrinos, or All Three?

Details trans-GZK Cosmic Rays: Strings, Black Holes, Neutrinos, or All Three? trans-GZK Cosmic Rays: Strings, Black Holes, Neutrinos, or All Three?

2004-09-03

arxiv.org/abs/hep-ph/0409029v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Talk presented at Cosmic Ray International Seminar (CRIS), Catania, Sicily, 2004; 6 pages, 6 figures

Scientific paper

10.1016/j.nuclphysbps.2004.10.01

We review the scenario in which ``strongly interacting neutrinos'' are responsible for inducing airshowers with inferred energies $E > 8\times10^{19}$ eV. This possibility arises naturally in string excitation models having a unification scale effectively decoupled from the Planck scale. We then show that phenomenological quantum gravity considerations reveal an equivalency of ``mini-black hole'' and strongly interacting neutrino pictures for explaining trans-GZK events. This equivalence can be exploited to predict single particle inclusive distributions. The resulting observable consequences in airshower development are studied using the Adaptive Longitudinal Profile Shower (ALPS) simulation.

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