PoS - Proceedings of Science
Volume 422 - The Tenth Annual Conference on Large Hadron Collider Physics (LHCP2022) - BSM 1 - TeV Scale
Searches for RPV SUSY in ATLAS, CMS and LHCb
S. Karmakar* and  On behalf of the ALICE, ATLAS, CMS and LHCb collaborations
Full text: pdf
Pre-published on: March 27, 2023
Published on: June 21, 2023
Abstract
The traditional way of SUSY searches generally involve high missing transverse momentum because of the presence of the lightest supersymmetric particle (LSP), which is stable and remains undetected. This kind of SUSY models are called R-parity conserving SUSY. But there is also alternative scenario, where the LSP is not stable any more and can decays to Standard Model particles. This is possible in R-parity violating SUSY models. In this report three such SUSY searches have been presented. From CMS, search for top squark pair production in events with two top quark and additional jets are reported. In this analysis top squark masses up to 670 (870) GeV are excluded at 95% confidence level for the RPV (stealth) scenario. From ATLAS, a search for R-parity-violating supersymmetry in final states characterized by high jet multiplicity, at least one isolated light lepton and either zero or at least three b-tagged jets is presented. No significant excess over the Standard Model expectation is observed and exclusion limits at the 95% confidence level are extracted, reaching as high as 2.4 TeV in gluino mass, 1.35 TeV in top squark mass, and 320 (365) GeV in higgsino (wino) mass. From LHCb, a search is performed for massive long-lived particles (LLP) decaying semileptonically into a muon and two quarks. No evidence of these long-lived states has been observed, and upper limits on the production cross-section times branching ratio have been set for each model considered.
DOI: https://doi.org/10.22323/1.422.0073
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