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Observation of electroweak W$^+$W$^-$ pair production in association with two jets in proton-proton collisions at $\sqrt{s}$ = 13 TeV

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arxiv 2205.05711 v2 pith:GZZNNIYK submitted 2022-05-11 hep-ex

classification hep-ex
keywords jetsassociationcollisionselectroweakeventsleptonsobservationpair
verification ladder T0 review T1 audit T2 compute T3 formal

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abstract

An observation is reported of the electroweak production of a W$^+$W$^-$ pair in association with two jets, with both W bosons decaying leptonically. The data sample corresponds to an integrated luminosity of 138 fb$^{-1}$ of proton-proton collisions at $\sqrt{s}$ = 13 TeV, collected by the CMS detector at the CERN LHC. Events are selected by requiring exactly two opposite-sign leptons (electrons or muons) and two jets with large pseudorapidity separation and high dijet invariant mass. Events are categorized based on the flavor of the final-state leptons. A signal is observed with a significance of 5.6 standard deviations (5.2 expected) with respect to the background-only hypothesis. The measured fiducial cross section is 10.2 $\pm$ 2.0 fb and this value is consistent with the standard model prediction of 9.1 $\pm$ 0.6 fb.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Observation of the electroweak production of $\gamma\gamma jj$ at $\sqrt{s}=13$ TeV in $140\ \text{fb}^{-1}$ of $pp$ collision data with the ATLAS detector

    hep-ex 2026-07 accept novelty 6.0 of 10

    ATLAS observes the electroweak production of gamma-gamma plus two jets at 6.2 sigma and measures 13.8 fb, consistent with the Standard Model.

  2. Probing the coupling of axions to tops and gluons with LHC measurements

    hep-ph 2025-08 conditional novelty 6.0 of 10

    Using CONTUR reinterpretation of LHC data, the authors derive 2 sigma bounds on ALP-top and ALP-gluon couplings, with fa/c_t above about 200 GeV and fa/c_gluon above about 5 TeV.

  3. Combined effective field theory interpretation of measurements sensitive to quartic gauge boson couplings in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector

    hep-ex 2026-03 accept novelty 5.0 of 10

    Combined ATLAS VBS and triboson data constrain 17 Éboli-model dimension-8 Wilson coefficients for anomalous quartic gauge couplings, with and without unitarity clipping.

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