Bound on four-dimensional Planck mass
arXiv:0806.4304 · doi:10.1103/PhysRevD.78.067702
Abstract
In this note we derive a bound using data from cosmic rays physics on a model recently proposed to solve the hierarchy problem by lowering the Planck scale to the TeV region without the introduction of extra-dimensions. We show that the non observation of small black holes by AGASA implies a model independent limit for the four-dimensional reduced Planck mass of roughly 488 GeV.
5 pages
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