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Search for leptophobic Z‧ bosons decaying into four-lepton final states in proton-proton collisions at √{ s} = 8TeV

A search for heavy narrow resonances decaying into four-lepton final states has been performed using proton-proton collision data at √{ s} = 8TeV collected by the CMS experiment, corresponding to an integrated luminosity of 19.7fb-1. No excess of events over the standard model background expectation is observed. Upper limits for a benchmark model on the product of cross section and branching fraction for the production of these heavy narrow resonances are presented. The limit excludes leptophobic Z bosons with masses below 2.5TeV within the benchmark model. This is the first result to constrain a leptophobic Z resonance in the four-lepton channel.

Physics Letters B, 773, 563, 2017

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Authors: 
A.Al-bataineh, P.Baringer, A.Bean, S.Boren, J.Bowen,C.Bruner,J.Castle, KU CMS team & CMS Collaboration

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A.Al-bataineh, P.Baringer, A.Bean, S.Boren, J.Bowen,C.Bruner,J.Castle, KU CMS team & CMS Collaboration

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