In a realistic general gauge mediation model, including gravitino decays of all sparticles weakens ATLAS mono-photon exclusion limits on the gluino-NLSP mass plane, especially for negative mu and compressed spectra.
Parameter Space of General Gauge Mediation
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abstract
We study a subspace of General Gauge Mediation (GGM) models which generalize models of gauge mediation. We find superpartner spectra that are markedly different from those of typical gauge and gaugino mediation scenarios. While typical gauge mediation predictions of either a neutralino or stau next-to-lightest supersymmetric particle (NLSP) are easily reproducible with the GGM parameters, chargino and sneutrino NLSPs are generic for many reasonable choices of GGM parameters.
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Revisiting the LHC Constraints on Gauge-Mediated Supersymmetry Breaking Scenarios
In a realistic general gauge mediation model, including gravitino decays of all sparticles weakens ATLAS mono-photon exclusion limits on the gluino-NLSP mass plane, especially for negative mu and compressed spectra.