Abstract
Despite the absence of experimental evidence, weak scale supersymmetry is one of the best motivated and studied Standard Model extensions. This paper summarises recent results on inclusive searches for supersymmetric squarks and gluinos obtained with the ATLAS detector at the LHC. Results are presented for searches in final state events containing jets, missing transverse momentum, leptons, or photons.
Highlights
Supersymmetry (SUSY) is an extension to the Standard Model (SM) that introduces a symmetry between fermions and bosons
In minimal super-gravity-mediated SUSY breaking (MSUGRA/CMSSM) models, gravity-strength interactions are responsible for breaking supersymmetry
After briefly describing the ATLAS detector this paper presents recent ATLAS results on inclusive searches for squarks and gluinos in signatures consisting of jets and ETmiss [2]; at least three b-jets and ETmiss [3]; jets, at least one tau lepton, and ETmiss [4]; two photons and ETmiss [5]; and jet and two same-sign leptons or three leptons [6]
Summary
Supersymmetry (SUSY) is an extension to the Standard Model (SM) that introduces a symmetry between fermions and bosons. In the Minimal Supersymmetric Standard Model (MSSM) there is a superpartner for each SM particle differing by 1/2 in spin but with otherwise identical quantum numbers. The symmetry is broken, because the superpartners do not have the same mass. If the SUSY particle masses are at the weak scale, SUSY solves the hierarchy problem and it may provide a dark matter candidate. In minimal super-gravity-mediated SUSY breaking (MSUGRA/CMSSM) models, gravity-strength interactions are responsible for breaking supersymmetry. In gauge-mediated SUSY breaking (GMSB) models, the SUSY breaking is propagated to the MSSM sector via the standard gauge interactions. In MSUGRA models the LSP is often the lightest neutirtianliono(G(χ) ̃.01)I,nwthhielelaintteGrMcaSsBe,mthoedenlesxtthetoLlSigPhitsestht eSgUrSavYparticle (NLSP) determines the event signature. The analyses use 20.1– 20.3 fb−1 of data at a center-of-mass energy of 8 TeV
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