Multilepton signals of gauge mediated supersymmetry breaking at the LHC

Jorgen D'Hondt, Karen De Causmaecker, Benjamin Fuks*, Alberto Mariotti, Kentarou Mawatari, Christoffer Petersson, Diego Redigolo

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


We investigate multilepton LHC signals arising from electroweak processes involving sleptons. We consider the framework of general gauge mediated supersymmetry breaking, focusing on models where the low mass region of the superpartner spectrum consists of the three generations of charged sleptons and the nearly massless gravitino. We demonstrate how such models can provide an explanation for the anomalous four lepton events recently observed by the CMS Collaboration, while satisfying other existing experimental constraints. The best fit to the CMS data is obtained for a selectron/smuon mass of around 145 GeV and a stau mass of around 90 GeV. These models also give rise to final states with more than four leptons, offering alternative channels in which they can be probed and we estimate the corresponding production rates at the LHC.

Original languageEnglish
Pages (from-to)7-12
Number of pages6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
StatePublished - 4 Apr 2014
Externally publishedYes


  • Gauge mediation
  • Supersymmetry breaking


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