Warped extra dimension and inclined events at Pierre Auger Observatory
arXiv:1607.01917 · doi:10.1051/epjconf/201612502014
Abstract
The generalized solution for the warp factor of the Randall-Sundrum metric is presented which is symmetric with respect to both branes and explicitly periodic in extra variable. Given that the curvature of the 5-dimensional space-time is small, the expected rate of neutrino-induced inclined events at the Surface Detector of the Pierre Auger Observatory is calculated. Both the "downward-going" (DG) and "Earth-skimming" (ES) neutrinos are considered. By comparing the expected event rate with the recent Auger data on searching for neutrino candidates, the lower bound on the fundamental gravity scale M_5 is obtained. The ratio of the number of the ES air showers to the number of the DG showers is estimated as a function of M_5.
arXiv comment9 pages, 6 figures, contribution to the Proceedings of the 19th International Seminar on High Energy Physics (QUARKS-2016)
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