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Abstract:
A search for massive leptophobic Z' bosons decaying into a pair of charginos at the CERN LHC with the CMS detector is presented. The final state consists of two oppositely charged leptons and missing transverse momentum. The analysis is based on proton-proton collision data collected at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 138 fb$ ^{-1} $. A parametrized neural network is employed for signal extraction. The data are found to be consistent with the standard model, and upper limits are set on the Z' boson production cross section versus Z' and chargino masses. The analysis is sensitive to Z' boson masses up to about 3.5 TeV, assuming a 100% branching fraction to charginos.
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