Present and possible future implications for mSUGRA of the non-discovery of SUSY at the LHC

Abstract

Both ATLAS and CMS have published results of SUSY searches putting limits on SUSY parameters and masses. A non-discovery of SUSY in the next two years would push these limits further. On the other hand, precision data of low energy measurements and the dark matter relic density favor a light scale of supersymmetry. Therefore we investigate if supersymmetry -- more specifically the highly constraint model mSUGRA -- does at all agree with precision data and LHC exclusions at the same time, and whether the first two years of LHC will be capable of excluding models of supersymmetry. We consider the current non observation of supersymmetry with 35 pb-1 as well as the possible non observation with 1,2 and 7 fb-1 in a global fit using the framework Fittino.

Contributions to the Proceedings of Moriond EW 2011

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• Many faces of low mass neutralino dark matter in the unconstrained MSSM, LHC data and new signals
• Should we still believe in constrained supersymmetry?
• Bayesian Implications of Current LHC and XENON100 Search Limits for the Constrained MSSM
• Low mass neutralino dark matter in mSUGRA and more general models in the light of LHC data
• Fast supersymmetry phenomenology at the Large Hadron Collider using machine learning techniques
• Concluding Talk: A Theorist Overview on Particle Physics