Natural NMSSM confronting with the LHC7-8
Taoli Cheng, Jinmian Li, Tianjun Li, Qi-Shu Yan

TL;DR
This paper analyzes how recent LHC searches constrain natural NMSSM supersymmetry, especially limits on gluino, stop, and sbottom masses, considering different Higgs boson interpretations.
Contribution
It provides the first comprehensive analysis of LHC7-8 data constraints on natural NMSSM, considering two Higgs interpretation scenarios.
Findings
Gluino mass must be above 1.1 TeV under current constraints
Sbottom mass up to 600 GeV is compatible with bounds
Stop mass up to 550 GeV is consistent with LHC data
Abstract
The natural supersymmetry (SUSY) requires that stop, sbottom, and gluino be around one TeV or lighter. By using the direct SUSY search bounds from both ATLAS and CMS Collaborations, we examine the constraints on the natural SUSY in the Next to Minimal Supersymmetric Standard Model (NMSSM). We consider two cases of interpretations for the Higgs boson data: (1) the Standard Model (SM) like Higgs boson is the lightest CP-even Higgs boson; (2) the SM like Higgs boson is the second lightest CP-even Higgs boson. We find that the direct SUSY searches at the LHC impose a strong constraint on the light gluino scenarios, and in both cases the gluino can not be lighter than 1.1 TeV with sbottom mass up to 600 GeV and stop mass up to 550 GeV.
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