Constraints on the pMSSM from searches for squarks and gluinos by ATLAS

Details Constraints on the pMSSM from searches for squarks and gluinos by ATLAS Constraints on the pMSSM from searches for squarks and gluinos by ATLAS

2012-02-28

arxiv.org/abs/1202.6244v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Scientific paper

We study the impact of the jets and missing transverse momentum SUSY analyses of the ATLAS experiment on the phenomenological MSSM (pMSSM). We investigate sets of SUSY models with a flat and logarithmic prior in the SUSY mass scale and a mass range up to 1 and 3 TeV, respectively. These models were found previously in the study 'Supersymmetry without Prejudice'. Removing models with long-lived SUSY particles, we show that 99% of 20000 randomly generated pMSSM model points with a flat prior and 87% for a logarithmic prior are excluded by the ATLAS results. For models with squarks and gluinos below 600 GeV all models of the pMSSM grid are excluded. We identify SUSY spectra where the current ATLAS search strategy is less sensitive and propose extensions to the inclusive jets search channel.

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