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| Format: | Preprint |
| Published: |
2026
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| Online Access: | https://arxiv.org/abs/2605.19016 |
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| _version_ | 1866910234749960192 |
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| author | ATLAS Collaboration |
| author_facet | ATLAS Collaboration |
| contents | Inclusive, differential and production-mode cross-section measurements of the Higgs boson are performed in the $H \to ZZ^{*} \to 4\ell$ decay channel. The analysis uses proton-proton collision data produced at the Large Hadron Collider at a centre-of-mass energy of $\sqrt{s}=13.6$ TeV and recorded with the ATLAS detector, corresponding to an integrated luminosity of 164 fb$^{-1}$. The inclusive fiducial cross-section for the $H \to ZZ^{*} \to 4\ell$ process is measured to be $σ_{\textrm{fid}} = 3.65^{+0.35}_{-0.33}~\textrm{fb}$, in agreement with the Standard Model prediction of $σ_{\textrm{fid}}^{\textrm{SM}} = 3.68 \pm 0.17~\textrm{fb}$. Differential cross-sections are measured as a function of key kinematic observables of the Higgs boson and the four-lepton final state. Cross-sections are measured for the main production-modes in several exclusive regions of the Higgs boson production phase space and combined to measure an overall Higgs boson signal strength, defined as the measured cross-section normalised to the SM prediction, of $μ= 0.99 \pm 0.13$. The results are interpreted in terms of modifications of Higgs boson couplings using the $κ$ framework, within the Standard Model Effective Field Theory, and in scenarios probing the Higgs boson self-coupling. All the results are consistent with Standard Model expectations. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_19016 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Measurements of the Higgs boson production, fiducial and differential cross-sections in the four lepton decay channel using 164 fb$^{-1}$ of data collected at $\sqrt{s}$ = 13.6 TeV with the ATLAS detector ATLAS Collaboration High Energy Physics - Experiment Inclusive, differential and production-mode cross-section measurements of the Higgs boson are performed in the $H \to ZZ^{*} \to 4\ell$ decay channel. The analysis uses proton-proton collision data produced at the Large Hadron Collider at a centre-of-mass energy of $\sqrt{s}=13.6$ TeV and recorded with the ATLAS detector, corresponding to an integrated luminosity of 164 fb$^{-1}$. The inclusive fiducial cross-section for the $H \to ZZ^{*} \to 4\ell$ process is measured to be $σ_{\textrm{fid}} = 3.65^{+0.35}_{-0.33}~\textrm{fb}$, in agreement with the Standard Model prediction of $σ_{\textrm{fid}}^{\textrm{SM}} = 3.68 \pm 0.17~\textrm{fb}$. Differential cross-sections are measured as a function of key kinematic observables of the Higgs boson and the four-lepton final state. Cross-sections are measured for the main production-modes in several exclusive regions of the Higgs boson production phase space and combined to measure an overall Higgs boson signal strength, defined as the measured cross-section normalised to the SM prediction, of $μ= 0.99 \pm 0.13$. The results are interpreted in terms of modifications of Higgs boson couplings using the $κ$ framework, within the Standard Model Effective Field Theory, and in scenarios probing the Higgs boson self-coupling. All the results are consistent with Standard Model expectations. |
| title | Measurements of the Higgs boson production, fiducial and differential cross-sections in the four lepton decay channel using 164 fb$^{-1}$ of data collected at $\sqrt{s}$ = 13.6 TeV with the ATLAS detector |
| topic | High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2605.19016 |