Abstract
Measurements of multi-boson production at the LHC provide a precision test of the electroweak gauge structure predicted by the Standard Model, and they also offer a unique window to new physics beyond the SM. In this proceeding, we present recent ATLAS measurements on multi-boson productions, including the electroweak production of a $Z\gamma$ pair in association with two jets, the first observation of three $W$ bosons production, the observation of the $W$ pair production in photon-induced collisions, and also differential measurements of the inclusive four-lepton production. Interpretations on BSM using those precision measurements are also discussed. Moreover, constraints on Wilson coefficients of the SM Effective Field Theory are obtained by a combined fit to several multi-boson cross-section measurements.
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