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Searches for supersymmetry (SUSY) are presented based on the electroweak pairproduction of neutralinos and charginos, leading to decay channels with Higgs,Z, and W bosons and undetected lightest SUSY particles (LSPs). The data samplecorresponds to an integrated luminosity of about 19.5 inverse femtobarns ofproton-proton collisions at a center-of-mass energy of 8 TeV collected in 2012with the CMS detector at the LHC. The main emphasis is neutralino pairproduction in which each neutralino decays either to a Higgs boson (h) and anLSP or to a Z boson and an LSP, leading to hh, hZ, and ZZ states with missingtransverse energy (ET(miss)). A second aspect is chargino-neutralino pairproduction, leading to hW states with ET(miss). The decays of a Higgs boson toa bottom-quark pair, to a photon pair, and to final states with leptons areconsidered in conjunction with hadronic and leptonic decay modes of the Z and Wbosons. No evidence is found for supersymmetric particles, and 95% confidencelevel upper limits are evaluated for the respective pair production crosssections and for neutralino and chargino mass values.

Searches for electroweak neutralino and chargino production in channels with Higgs, Z, and W bosons in pp collisions at 8 TeV