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T: Fachverband Teilchenphysik

T 51: Supersymmetrie 3

T 51.3: Talk

Tuesday, March 25, 2014, 17:15–17:30, P4

Searches for the production of electroweak supersymmetric particles decaying into final states with two leptons and missing transverse momentum with the ATLAS experiment — •Janet Dietrich and Michael Medinnis — Deutsches-Elektronen-Synchrotron

Weak scale Supersymmetry (SUSY) is one of the best motivated extensions of the Standard Model (SM), providing a possible solution to the hierarchy problem and a viable dark matter candidate in the form of the lightest supersymmetric particle (LSP). The dominant SUSY production channels at the Large Hadron Collider (LHC) depend on the masses of the sparticles. In scenarios where the masses of the first and second generation sfermions and gluinos are larger than few TeVs, direct production of weak gauginos (charginos and neutralinos) as well as sleptons may be the dominant SUSY process. Such a scenario is possible in the general framework of the phenomenological minimal supersymmetric SM (pMSSM).
In this talk searches for the production of electroweak supersymmetric particles decaying into final states with exactly two isolated, oppositely-charged leptons (electrons, muons), no reconstructed jets and missing transverse momentum, performed using 20.3 fb⁻¹ of 2012 proton-proton collision data at √s=8 TeV recorded with the general purpose detector ATLAS at the LHC will be presented. The interpretation of the results within the framework of simplified Supersymmetry models and within the framework of the pMSSM will be discussed.