Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2001-09-28
Phys.Rev. D65 (2002) 064023
Physics
High Energy Physics
High Energy Physics - Phenomenology
14 pages, 4 figures; minor changes, replaced with version to be published in Phys. Rev. D
Scientific paper
10.1103/PhysRevD.65.064023
If there are large extra dimensions and the fundamental Planck scale is at the TeV scale, then the question arises of whether ultra-high energy cosmic rays might probe them. We study the neutrino-nucleon cross section in these models. The elastic forward scattering is analyzed in some detail, hoping to clarify earlier discussions. We also estimate the black hole production rate. We study energy loss from graviton mediated interactions and conclude that they can not explain the cosmic ray events above the GZK energy limit. However, these interactions could start horizontal air showers with characteristic profile and at a rate higher than in the Standard Model.
Emparan Roberto
Masip Manuel
Rattazzi Riccardo
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