Ponente
Yiming Abulaiti
Descripción
Motivated by natural SUSY, a search for supersymmetric top squark pair production in final states with one isolated lepton, jets and missing transverse momentum in sqrt(s) = 8 TeV pp collisions using 20.3 fb-1 of data from the ATLAS experiment, is presented. The analysis targets five different decay scenarios for the supersymmetric top squark (stop) : (1) stop decays into a top quark and the lightest neutralino, (2) stop decays into a bottom quark and the lightest chargino, (3) a 3-body decay of the stop, (4) a 4-body decay of the stop, (5) asymmetric decays where each stop can decay either via (1) or (2). As the data are in agreement with predictions from the Standard Model, the measurements are translated into 95% C.L. upper limits on the stop and LSP masses in various Supersymmetric scenarios. The sensitivity to a limited number of pMSSM models, in which the stop can decay into heavy
neutralinos and charginos, is also presented.
Autor primario
Collaboration ATLAS
(CERN)
