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Theory Seminar (High Energy/Cosmology)
Stealth Supersymmetry
Date: Tuesday, December 6th
Time: 4:00 pm
Place: 5280 Chamberlin Hall
Speaker: Matt Reece, Harvard University
Abstract: The first year of LHC data has dramatically reduced the allowed parameter space for low-energy supersymmetry, given certain assumptions. In this talk I will summarize the current state of these experimental limits, emphasizing which assumptions might be evaded to allow standard SUSY spectra to survive. I will then present an example of a class of models that are not yet constrained, called "Stealth Supersymmetry." These are models in which certain nearly-supersymmetric states present in decay chains lead to collider signatures without missing energy. I will discuss some specific examples of models in this class, and explain how the LHC might search for them.
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