Search for heavy resonances decaying into a pair of $Z$ bosons in the $\ell^+\ell^-\ell'^+\ell'^-$ and $\ell^+\ell^-\nu\bar\nu$ final states using 139 fb$^{-1}$ of proton-proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector

The ATLAS collaboration
Aad, Georges , Abbott, Braden Keim , Abbott, Brad , Abbott, Dale , Abed Abud, Adam , Abeling, Kira , Abhayasinghe, Deshan Kavishka , Abidi, Haider , Abouzeid, Hass , Abouzeid, Ossama
Eur.Phys.J.C 81 (2021) 332, 2021.

Abstract (data abstract)
CERN-LHC. Search for heavy ZZ resonances in the 4l and 2l2nu final states using proton-proton collisions at a center-of-mass energy of 13 TeV with 139 fb^{-1} of data collected from 2015 to 2018 with the ATLAS detector. Different mass ranges for the hypothetical resonances are considered, depending on the final state and model. The different ranges span between 200 GeV and 2000 GeV. The results are interpreted as upper limits on the production cross section of a spin-0 or spin-2 resonance.

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