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Observation of the production of three massive gauge bosons at $\sqrt{s} =$ 13 TeV

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arxiv 2006.11191 v2 pith:XD56BDHY submitted 2020-06-19 hep-ex

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

The first observation is reported of the combined production of three massive gauge bosons (VVV with V = W,Z) in proton-proton collisions at a center-of-mass energy of 13 TeV. The analysis is based on a data sample recorded by the CMS experiment at the CERN LHC corresponding to an integrated luminosity of 137 fb$^{-1}$. The searches for individual WWW, WWZ, WZZ, and ZZZ production are performed in final states with three, four, five, and six leptons (electrons or muons), or with two same-sign leptons plus one or two jets. The observed (expected) significance of the combined VVV production signal is 5.7 (5.9) standard deviations and the corresponding measured cross section relative to the standard model prediction is 1.02 $^{+0.26}_{-0.23}$. The significances of the individual WWW and WWZ production are 3.3 and 3.4 standard deviations, respectively. Measured production cross sections for the individual triboson processes are also reported.

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Cited by 2 Pith papers

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

  1. Measurement of WWZ and ZH production cross sections at $\sqrt{s}$ = 13 and 13.6 TeV

    hep-ex 2025-05 accept novelty 6.0 of 10

    The WWZ and ZH production rates match the standard model, with a combined significance of 4.5 standard deviations and first evidence at 13.6 TeV.

  2. 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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