Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2008-09-04
PoS idm2008:101,2008
Physics
High Energy Physics
High Energy Physics - Phenomenology
3 pages, 4 figures, poster presented at the XXXIVth International Conference on High Energy Physics (ICHEP08), Philadelphia, P
Scientific paper
In this poster, we present a model of large extra dimensions where the internal space has the geometry of a hyperbolic disc. Compared with the ADD model, this model provides a more satisfactory solution to the hierarchy problem between the electroweak scale and the Planck scale, and it also avoids constraints from astrophysics. Since there is no known analytic form of the Kaluza-Klein spectrum for our choice of geometry, we obtain a spectrum based on a combination of approximations and numerical computations. We study the possible signatures of our model for hadron colliders, especially the LHC, where the most important processes are the production of a graviton together with a hadronic jet or a photon. We find that for the case of hadronic jet production, it is possible to obtain relatively strong signals, while for the case of photon production, this is much more difficult.
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