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Search for new resonances decaying via WZ to leptons in proton–proton collisions at √s=8 TeV

Abstract

A search is performed in proton–proton collisions at √s=8TeVfor exotic particles decaying via WZ to fully leptonic final states with electrons, muons, and neutrinos. The data set corresponds to an integrated luminosity of 19.5fb−1. No significant excess is observed above the expected standard model background. Upper bounds at 95% confidence level are set on the production cross section of a Wboson as predicted by an extended gauge model, and on the WW Zcoupling. The expected and observed mass limits for a Wboson, as predicted by this model, are 1.55 and 1.47TeV, respectively. Stringent limits are also set in the context of low-scale technicolor models under a range of assumptions for the model parameters

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