Search for chargino-neutralino production in ppbar collisions at sqrt(s) = 1.96 TeV

Abstract

We present the results of a search for associated production of the chargino and neutralino supersymmetric particles using up to 1.1 fb-1 of integrated luminosity collected by the CDF II experiment at the Tevatron ppbar collider at a center-of-mass energy of 1.96 TeV. The search is conducted by analyzing events with a large transverse momentum imbalance and either three charged leptons or two charged leptons of the same electric charge. The numbers of observed events are found to be consistent with standard model expectations. Upper limits on the production cross section are derived in different theoretical models. In one of these models a lower limit on the mass of the chargino is set at 129 GeV/c^2 at the 95% confidence level.

To be submitted to Phys.Rev.Lett

References in corpus (1)

• Inclusive Search for New Physics with Like-Sign Dilepton Events in ppbar Collisions at sqrt{s} = 1.96 TeV

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• Searches for Supersymmetry at High-Energy Colliders
• Search for chargino-neutralino production in p-pbar collisions at 1.96 TeV with high pT leptons
• Neutralino Dark Matter and Trilepton Searches in the MSSM
• Constraining Selectron LSP Scenarios with Tevatron Trilepton Searches
• Search for new physics in the mu+mu+e/mu+met channel with a low-pT lepton threshold at the Collider Detector at Fermilab
• Review of searches for Higgs bosons and beyond the standard model physics at the Tevatron
• Search for new physics in trilepton events and limits on the associated chargino-neutralino production at CDF