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

Abstract: 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.

Other publications of the same journal or congress with authors from the University of Cantabria

 Fuente: Physics Letters B 773 (2017) 563-584

Publisher: Elsevier

 Publication date: 01/10/2017

No. of pages: 22

Publication type: Artículo de Revista

 DOI: 10.1016/j.physletb.2017.08.069

ISSN: 0370-2693,1873-2445

Publication Url: https://doi.org/10.1016/j.physletb.2017.08.069