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Supersymmetry without prejudice at the LHC

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If you have a question about this talk, please contact Kazuki Sakurai.

The discovery and exploration of Supersymmetry in a model-independent fashion will be a daunting task due to the large number of soft-breaking parameters in the MSSM . In this talk, I describe an exploration of the capability of the ATLAS detector at the LHC to find SUSY within the 19-dimensional pMSSM subspace of the MSSM using their standard transverse missing energy and long-lived particle searches that were essentially designed for mSUGRA. To this end, we made use of a set of 71k previously generated model points in the 19-dimensional parameter space that satisfy all of the existing experimental and theoretical constraints. Employing ATLAS -generated SM backgrounds and following their approach in each of 11 missing energy analyses as closely as possible, we explored all of these 71k model points for a possible SUSY signal. I will describe the results of this analysis at both the 7 TeV and 14 TeV LHC . I will touch on many different aspects of our results, including the reasons why some models are missed in all the analyses, the effect of systematic error on the parameter space coverage, the impact of changing the analysis cuts, fine-tuning in the model set, and implications for the linear collider.

This talk is part of the HEP phenomenology joint Cavendish-DAMTP seminar series.

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