Combination of searches for singly and doubly charged Higgs bosons produced via vector-boson fusion in proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector

The ATLAS collaboration
CERN-EP-2024-189, 2024.

Abstract (data abstract)
A combination of searches for singly and doubly charged Higgs bosons, $H^{\pm}$ and $H^{\pm\pm}$, produced via vector-boson fusion is performed using 140 fb$^{-1}$ of proton-proton collisions at a centre-of-mass energy of 13 TeV, collected with the ATLAS detector during Run 2 of the Large Hadron Collider. Searches targeting decays to massive vector bosons in leptonic final states (electrons or muons) are considered. New constraints are reported on the production cross-section times branching fraction for charged Higgs boson masses between 200 GeV and 3000 GeV. The results are interpreted in the context of the Georgi-Machacek model for which the most stringent constraints to date are set for the masses considered in the combination.

  • Post-fit $m_{\mathrm{WZ}}$ distribution

    Data from Figure 4a

    10.17182/hepdata.153847.v1/t1

    Post-fit $m_{\mathrm{WZ}}$ distribution in the signal region for the SM background-only hypothesis. Data are shown as black markers with vertical...

  • Post-fit $m_{\mathrm{T}}$ distribution

    Data from Figure 4b

    10.17182/hepdata.153847.v1/t2

    Post-fit $m_{\mathrm{T}}$ distribution in the signal region for the SM background-only hypothesis. Data are shown as black markers with vertical...

  • Exclusion limits for $H_{5}^{\pm} \to W^{\pm}Z$

    Data from Figure 5a

    10.17182/hepdata.153847.v1/t3

    Expected and observed exclusion limits at 95% CL for $\sigma_{\mathrm{VBF}}(H_{5}^{\pm}) \times \mathcal{B}(H_{5}^{\pm} \to W^{\pm}Z)$ as a function of $m_{\mathrm{H_5}}$. The...

  • Exclusion limits for $H_{5}^{\pm\pm} \to W^{\pm}W^{\pm}$

    Data from Figure 5b

    10.17182/hepdata.153847.v1/t4

    Expected and observed exclusion limits at 95% CL for $\sigma_{\mathrm{VBF}}(H_{5}^{\pm\pm}) \times \mathcal{B}(H_{5}^{\pm\pm} \to W^{\pm}W^{\pm})$ as a function of $m_{\mathrm{H_5}}$. The...

  • Exclusion limits for $\sin \theta_{\mathrm{H}}$

    Data from Figure 5c

    10.17182/hepdata.153847.v1/t5

    Expected and observed exclusion limits at 95% CL for $\sin \theta_{{\mathrm{H}}}$ as a function of $m_{\mathrm{H_5}}$. The inner (outer) band...

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