Gravitational Scattering in the ADD-model Revisited

Details Gravitational Scattering in the ADD-model Revisited Gravitational Scattering in the ADD-model Revisited

2006-02-15

arxiv.org/abs/hep-ph/0602138v2

Eur.Phys.J.C50:679-682,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

Scientific paper

10.1140/epjc/s10052-007-0213-y

Gravitational scattering in the ADD-model is studied and it is argued that no cut-off is needed for the exchange of virtual Kaluza--Klein modes. By introduction of a small coordinate in the extra dimensions a unique form of the Kaluza--Klein-summed propagator is found for an odd number of extra dimensions. The matrix element corresponding to this propagator can also (as opposed to the cut-offed version) be Fourier transformed to position space, giving back the extra-dimensional version of Newton's law. For an even number of extra dimensions the propagator is found by requiring that Newton's law should be recovered.

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