Consistency of the recent ATLAS $Z+E_T^{\mathrm{miss}}$ excess in a simplified GGM model

Ben Allanach, Are Raklev, Anders Kvellestad

ATLAS recently reported a $3\sigma$ excess in a leptonic-$Z+E_T^{\mathrm{miss}}$ channel. This was interpreted in the literature in a simplified General Gauge Mediation model containing a gl…