Neutrino-Induced Giant Air Showers in Large Extra Dimension Models

Abstract

In models based on large extra dimensions where massive spin 2 exchange can dominate at high energies, the neutrino-proton cross section can rise to typical hadronic values at energies above 10^20 eV. The neutrino then becomes a candidate for the primary that initiates the highest energy cosmic ray showers. We investigate characteristics of neutrino-induced showers compared to proton-induced showers. The comparison includes study of starting depth, profile with depth, lateral particle distribution at ground and muon lateral distribution at ground level. We find that for cross sections above 20 mb there are regions of parameter space where the two types of showers are essentially indistinguishable. We conclude that the neutrino candidate hypothesis cannot be ruled out on the basis of shower characteristics.

24 pages, latex, 19 figures; text discussion and references added, typos corrected; figures and conclusions unchanged

References in corpus (6)

• TeV Strings and Collider Probes of Large Extra Dimensions
• Extra dimensions and Strong Neutrino-Nucleon interactions above $10^{19}$ eV : Breaking the GZK Barrier
• TeV Strings and the Neutrino-Nucleon Cross Section at Ultra-high Energies
• Cosmic Neutrinos and New Physics beyond the Electroweak Scale
• Ultrahigh energy neutrino interactions and weak-scale string theories
• Extensive air showers with TeV-scale quantum gravity

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