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Search for direct production of charginos and neutralinos in events with three leptons and missing transverse momentum in âs=7 TeV pp collisions with the ATLAS detector
A search for the direct production of charginos and neutralinos in ïŹnal states with three electrons ormuons and missing transverse momentum is presented. The analysis is based on 4.7 fbâ1 of âs=7 TeV protonâproton collision data delivered by the Large Hadron Collider and recorded with the ATLAS detector. Observations are consistent with Standard Modelb expectations in three signal regions that are either depleted or enriched in Z-boson decays. Upper limits at 95% conïŹdence level are set in R-parity conserving phenomenological minimal supersymmetric models and in simpliïŹed models, signiïŹcantly extending previous results