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Experimental Seminar
Where is sWaldo? Searching for sTops amongst the SM crowd with the ATLAS Detector
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US/Pacific
El Dorado (SLAC)
El Dorado
SLAC
Description
Many theoretical arguments based on naturalness suggest that the supersymmetric counterpart of the top quark, the stop, should be light (if it exists). The search for the stop quark in the one lepton final state provides a wide coverage of parameter space. No significant excess over Standard Model predictions are observed and limits are set on various regions of parameter space determined by the lightest stop mass, the lightest chargino mass, and the lightest neutralino mass. For example, stop quarks with mass between 210 and 640 GeV and decaying directly into a top quark and a massless neutralino have been excluded at the 95% confidence level.
