Another important way for realizing TeV scale gravity arises from properties of warped extra-dimensional geometries used in Randall-Sundrum scenarios (Randall 1999). If the warp factor is small in the vicinity of the standard model brane, particle masses can take TeV values, thereby giving rise to a large hierarchy between the TeV and conventional Planck scales (Giddings & Thomas 2002; Giddings & Katz 2001). Strong gravitational effects are therefore also expected in high energy scattering processes on the brane.
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I am not in a position to evaluate this stuff, but thanks a lot for posting it

Daniel