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Köln 2004 – scientific programme

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HK: Physik der Hadronen und Kerne

HK 40: Theory VI

HK 40.4: Talk

Thursday, March 11, 2004, 14:45–15:00, D

Signatures of Large Extra Dimensions — •Sabine Hossenfelder1, Stefan Hofmann2, Marcus Bleicher1, Horst Stöcker1, Christoph Rahmede1, Sascha Vogel1, Ulrich Harbach1, and Katja Poppenhäger11Institut für Theoretische Physik, Robert-Mayer-Str. 10, 60054 Frankfurt am Main — 2Dept. of Physics, Stockholm University, SCFAB, SE-10691 Sweden

String theory suggests modifications of our spacetime such as extra dimensions and the existence of a mininal length scale. In models with addidional dimensions, the Planck-scale can be lowered to values accessible by the LHC in soon future which in turn solves the hierarchy problem an lowers the unification scale. These models yield an useful effective description of physics beyond the standard model. We calculate predictions within this scenario such as production of gravitons, production of black holes and a finite resolution of spacetime which is expected near the Planck-scale.

[1] S. Hossenfelder, M. Bleicher, S. Hofmann, J. Ruppert, S. Scherer, H. Stocker, Phys.Lett. B575 (2003) 85-99, hep-th/0305262

[2] S. Hossenfelder, S. Hofmann, M.Bleicher, Horst Stocker, Phys.Rev. D66 (2002) 101502, hep-ph/0109085

[3] S. Hofmann, M. Bleicher, L. Gerland, S. Hossenfelder, K. Paech, H. Stocker, J.Phys.G28:1657-1665 (2002)

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