Abstract
Searches for supersymmetry (SUSY) at the LHC frequently assume the conservation ofR-parity in their design, optimization, and interpretation. In the case thatR-parity is not conserved, constraints on SUSY particle masses tend to be weakened with respect toR-parity-conserving models. We review the current status of searches forR-parity-violating (RPV) supersymmetry models at the ATLAS and CMS experiments, limited to 8 TeV search results published or submitted for publication as of the end of March 2015. All forms of renormalisable RPV terms leading to prompt signatures have been considered in the set of analyses under review. Discussing results for searches for promptR-parity-violating SUSY signatures summarizes the main constraints for various RPV models from LHC Run I and also defines the basis for promising signal regions to be optimized for Run II. In addition to identifying highly constrained regions from existing searches, also gaps in the coverage of the parameter space of RPV SUSY are outlined.
Highlights
One of the primary objectives of the detectors at the LHC is the search for new particles and phenomena not described by the Standard Model (SM) of particle physics
We review the current constraints from various ATLAS and CMS searches for SUSY based on approximately 20 fb−1 of pp collision data with √s = 8 TeV collected in 2012
This limit corresponds to a lower bound of approximately 1.3 TeV for gluino masses in bilinear R-parity violation (bRPV) mSUGRA
Summary
One of the primary objectives of the detectors at the LHC is the search for new particles and phenomena not described by the Standard Model (SM) of particle physics. We review constraints on SUSY models in the presence of lepton- or baryon-number violating interactions (L¡ and B, resp.) at the end of LHC Run I These interactions are present in generic SUSY models with minimal particle content. Many papers have investigated signatures beyond the focus of most searches for SUSY at the LHC Among such challenging scenarios are highly collimated LSP decay products [27, 28], same-sign dilepton signatures [29, 30], taus and b-jets with reduced missing transverse energy [31], resonances of dijets [32, 33], high object multiplicities [34], or, a charged lepton plus multiple jets [35]. Conclusions from Rparity-violating searches at LHC Run I are drawn and some implications for strategies to investigate uncovered parts of the RPV SUSY parameter space for Run II are outlined
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