Search for R-parity-violating supersymmetry in events with four or more leptons in $\sqrt{s}=7$ TeV $pp$ collisions with the ATLAS detector

Tanasijczuk, Andres Jorge;ATLAS;et.al.
(2012) Journal of High Energy Physics — Vol. 12 (2012)

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A search for new phenomena in final states with four or more leptons (electrons or muons) is presented. The analysis is based on 4.7 fb^-1 of sqrt(s) = 7 TeV proton-proton collisions delivered by the Large Hadron Collider and marc:recorded with the ATLAS detector. Observations are consistent with Standard Model expectations in two signal regions: one that requires moderate values of missing transverse momentum and another that requires large effective mass. The results are interpreted in a simplified model of R-parity-violating supersymmetry in which a 95% CL exclusion region is set for charged wino masses up to 540 GeV. In an R-parity-violating MSUGRA/CMSSM model, values of m_1/2 up to 820 GeV are excluded for 10<tan(beta)<40.
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Tanasijczuk, A. J., ATLAS, & et al. (2012). Search for R-parity-violating supersymmetry in events with four or more leptons in $\sqrt{s}=7$ TeV $pp$ collisions with the ATLAS detector. Journal of High Energy Physics, 12. https://doi.org/10.1007/JHEP12(2012)124 (Original work published 2012)