Speaker
Description
This poster will present the measurement of the fiducial and differential cross sections of the electroweak production of a Zy pair in association with two jets. The analysis uses 140.1 /fb of LHC proton-proton collision data taken at sqrt(s)=13 TeV recorded by the ATLAS experiment during the years 2015-2018. Events with a Z boson candidate decaying into either an e+e- or mu+mu- pair, a photon and two jets are selected. The electroweak component is extracted by requiring a large dijet mass and a large rapidity gap between the two jets and is measured with an observed and expected significance well above five standard deviations. In addition, the total fiducial and differential cross-sections that includes contributions where the jets arise from mixed strong-electroweak interactions are reported.
