Phys. Rev. D 63, 124009 (2001) [5 pages]Extensive air showers with TeV-scale quantum gravityReceived 5 February 2001; published 14 May 2001 One of the possible consequences of the existence of extra degrees of freedom beyond the electroweak scale is the increase of neutrino-nucleon cross sections (σνN) beyond standard model predictions. At ultrahigh energies this may allow the existence of neutrino-initiated extensive air showers. In this paper, we examine the most relevant observables of such showers. Our analysis indicates that the future Pierre Auger Observatory could be potentially powerful in probing models with large compact dimensions. © 2001 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.63.124009
DOI:
10.1103/PhysRevD.63.124009
PACS:
04.50.+h, 13.85.Tp
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