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Search for heavy diboson resonances in semileptonic final states in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector

The collaboration
2020.

Abstract (data abstract)
CERN-LHC, ATLAS. This paper reports on a search for heavy resonances decaying into $WW$, $ZZ$ or $WZ$ using proton--proton collision data at a centre-of-mass energy of $\sqrt{s}=13$ TeV. The data, corresponding to an integrated luminosity of 139 $\mathrm{fb^{-1}}$, were recorded with the ATLAS detector from 2015 to 2018 at the Large Hadron Collider. The search is performed for final states in which one $W$ or $Z$ boson decays leptonically, and the other $W$ boson or $Z$ boson decays hadronically. The data are found to be described well by expected backgrounds. Upper bounds on the production cross sections of heavy scalar, vector or tensor resonances are derived in the mass range 300--5000 GeV within the context of Standard Model extensions with warped extra dimensions or including a heavy vector triplet. Production through gluon--gluon fusion, Drell--Yan or vector-boson fusion are considered, depending on the assumed model.

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Data from Figure 6a

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Selection acceptance times efficiency for the 0 leptons signal events from MC simulations as a function of the resonance mass...

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Data from Figure 6b

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Selection acceptance times efficiency for the 0 leptons signal events from MC simulations as a function of the resonance mass...

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Data from Figure 7a

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Selection acceptance times efficiency for the 1 lepton signal events from MC simulations as a function of the resonance mass...

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Data from Figure 7b

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Selection acceptance times efficiency for the 1 lepton signal events from MC simulations as a function of the resonance mass...

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Data from Figure 8a

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Selection acceptance times efficiency for the 2 leptons signal events from MC simulations as a function of the resonance mass...

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Data from Figure 8b

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Selection acceptance times efficiency for the 2 leptons signal events from MC simulations as a function of the resonance mass...

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Data from Figure 3b

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The fractions of signal events passing the VBF requirement on the RNN score as functions of the resonance mass for...

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Data from Figure 12a

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Upper 95% CLs limits on the ggF production cross section of Radions in their $WW+ZZ$ decays as a function of...

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Data from Figure 12b

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Upper 95% CLs limits on the VBF production cross section of Radions in their $WW+ZZ$ decays as a function of...

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Data from Figure 13a

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Upper 95% CLs limits on the DY production cross section of HVT $W'$ in their $WZ$ decays as a function...

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Data from Figure 13b

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Upper 95% CLs limits on the VBF production cross section of HVT $W'$ in their $WZ$ decays as a function...

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Data from Figure 14a

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Upper 95% CLs limits on the DY production cross section of HVT $Z'$ in their $WW$ decays as a function...

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Data from Figure 14b

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Upper 95% CLs limits on the VBF production cross section of HVT $Z'$ in their $WW$ decays as a function...

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Data from Figure 15a

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Upper 95% CLs limits on the ggF production cross section of Gravitons in their $WW+ZZ$ decays as a function of...

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Data from Figure 15b

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Upper 95% CLs limits on the VBF production cross section of Gravitons in their $WW+ZZ$ decays as a function of...

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Data from Figure 21a

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Upper 95% CLs limits on the ggF production cross section of Radions in their $WW$ decays as a function of...

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Data from Figure 21b

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Upper 95% CLs limits on the VBF production cross section of Radions in their $WW$ decays as a function of...

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Data from Figure 22a

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Upper 95% CLs limits on the ggF production cross section of Radions in their $ZZ$ decays as a function of...

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Data from Figure 22b

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Upper 95% CLs limits on the VBF production cross section of Radions in their $ZZ$ decays as a function of...

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Data from Figure 23a

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Upper 95% CLs limits on the ggF production cross section of Gravitons in their $WW$ decays as a function of...

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Data from Figure 23b

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Upper 95% CLs limits on the VBF production cross section of Gravitons in their $WW$ decays as a function of...

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Data from Figure 24a

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Upper 95% CLs limits on the ggF production cross section of Gravitons in their $ZZ$ decays as a function of...

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Data from Figure 24b

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Upper 95% CLs limits on the VBF production cross section of Gravitons in their $ZZ$ decays as a function of...