{"paper":{"title":"First measurements of vector boson scattering in W$^\\pm$W$^{\\pm}$ and WZ production in all-leptonic final states at $\\sqrt{s}$ = 13.6 TeV","license":"http://creativecommons.org/licenses/by/4.0/","headline":"Electroweak production of W±W± and WZ pairs with two jets observed at over five sigma each in leptonic decays.","cross_cats":[],"primary_cat":"hep-ex","authors_text":"CMS Collaboration","submitted_at":"2026-05-14T20:29:31Z","abstract_excerpt":"The production cross sections of W$^\\pm$W$^{\\pm}$ and WZ boson pairs in association with two jets in proton-proton collisions are measured at $\\sqrt{s}$ = 13.6 TeV. The data sample corresponds to an integrated luminosity of 171 fb$^{-1}$, collected with the CMS detector during 2022$-$2024. The measurements are performed in the leptonic decay modes: W$^{\\pm}$Z $\\to$ $\\ell^\\pm\\nu\\ell^{\\prime\\pm}\\ell^{\\prime\\mp}$ and W$^\\pm$W$^{\\pm}$ $\\to$ $\\ell^\\pm\\nu\\ell^{\\prime\\pm}\\nu$, where $\\ell, \\ell'$ = e or $\\mu$. The electroweak productions of W$^\\pm$W$^{\\pm}$ and WZ bosons are each observed with a sign"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"The electroweak productions of W±W± and WZ bosons are each observed with a significance greater than five standard deviations from the background-only hypothesis.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"Background processes in the selected leptonic final states are accurately estimated by a combination of Monte Carlo simulation and data-driven methods without significant mismodeling that could mimic the electroweak signal.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"CMS observes electroweak W±W± and WZ production with two jets at 13.6 TeV with >5σ significance in all-leptonic final states using 171 fb⁻¹ of data.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"Electroweak production of W±W± and WZ pairs with two jets observed at over five sigma each in leptonic decays.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"dad0d710061f4365bf7ccac833b8adf44489a7efdf33cee53e6e78b8fc99f0ac"},"source":{"id":"2605.15396","kind":"arxiv","version":1},"verdict":{"id":"c2bfa0e3-4dbf-451b-81c4-0c88695a3f1e","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-19T15:06:51.115901Z","strongest_claim":"The electroweak productions of W±W± and WZ bosons are each observed with a significance greater than five standard deviations from the background-only hypothesis.","one_line_summary":"CMS observes electroweak W±W± and WZ production with two jets at 13.6 TeV with >5σ significance in all-leptonic final states using 171 fb⁻¹ of data.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"Background processes in the selected leptonic final states are accurately estimated by a combination of Monte Carlo simulation and data-driven methods without significant mismodeling that could mimic the electroweak signal.","pith_extraction_headline":"Electroweak production of W±W± and WZ pairs with two jets observed at over five sigma each in leptonic 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