Dresden 2013 – scientific programme

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T: Fachverband Teilchenphysik

T 51: Supersymmetrie 2

T 51.3: Talk

Monday, March 4, 2013, 17:15–17:30, GER-038

Development of more generalized and model-independent approaches in the search for supersymmetry with tau leptons in the final state at ATLAS — Philip Bechtle, Klaus Desch, Till Nattermann, •Oliver Ricken, Steffen Schaepe, and Martin Schultens — University of Bonn

The ongoing search for a supersymmetric extension of the Standard Model (SM) is expected to be sped up by the use of Simplified Models rather than fully-fledged ones like the MSSM or even the cMSSM. Simplified Models in general come with the advantage of a smaller parameter space while in the presented case the term refers to particular model-independent supersymmetric decay chains. The benefit of this approach is the versatility it offers: one can look for these decay chains independent of any model.

Starting from the GMSB-motivated choice of decay chains involving tau leptons, the method of parameter reduction towards an as simple as possible model structure is described. Moreover, possible final parametrizations and a resulting parameter grid are presented and discussed. Based on these grids, the setting of cross section limits on these decay chains and thus on SUSY models in which they are realized is a future prospect.