Search for supersymmetry in events with three leptons and missing transverse momentum in $\sqrt{s}=7$ TeV $pp$ collisions with the ATLAS detector

Tanasijczuk, Andres Jorge;ATLAS;et.al.
(2012) Physical Review Letters — Vol. 108 (2012)

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Abstract
A search for the weak production of charginos and neutralinos into final states with three electrons or muons and missing transverse momentum is presented. The analysis uses 2.06 fb^-1 of sqrt(s) = 7 TeV proton-proton collision data delivered by the Large Hadron Collider and marc:recorded with the ATLAS detector. Observations are consistent with standard model expectations in two signal regions that are either depleted or enriched in Z-boson decays. Upper limits at 95% confidence level are set in R-parity conserving phenomenological minimal supersymmetric and simplified models. For the simplified models, degenerate lightest chargino and next-to-lightest neutralino masses up to 300 GeV are excluded for mass differences from the lightest neutralino up to 300 GeV.
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Tanasijczuk, A. J., ATLAS, & et al. (2012). Search for supersymmetry in events with three leptons and missing transverse momentum in $\sqrt{s}=7$ TeV $pp$ collisions with the ATLAS detector. Physical Review Letters, 108. https://doi.org/10.1103/PhysRevLett.108.261804 (Original work published 2012)