{"@context":"http://schema.org","@id":"https://doi.org/10.17182/hepdata.115354.v1","@reverse":{"isBasedOn":[{"@type":"ScholarlyArticle","identifier":{"@type":"PropertyValue","propertyID":"URL","value":"https://inspirehep.net/literature/1978840"}},{"@id":"https://doi.org/10.1103/PhysRevD.105.052003","@type":"JournalArticle"}]},"@type":"Dataset","additionalType":"Collection","author":{"@type":"Organization","name":"CMS Collaboration"},"creator":{"@type":"Organization","name":"CMS Collaboration"},"datePublished":"2021","description":"Differential cross section measurements of $\\mathrm{W}^{\\pm}\\gamma$ production in proton-proton collisions at $\\sqrt{s} = 13\\,\\mathrm{TeV}$ are presented. The data set used in this study was collected with the CMS detector at the CERN LHC in 2016--2018 with an integrated luminosity of $138\\,\\mathrm{fb}^{-1}$. Candidate events containing an electron or muon, a photon, and missing transverse momentum are selected. The measurements are compared with standard model predictions computed at next-to-leading and next-to-next-to-leading orders in perturbative quantum chromodynamics. Constraints on the presence of TeV-scale new physics affecting the $\\mathrm{WW}\\gamma$ vertex are determined within an effective field theory framework, focusing on the $\\mathcal{O}_{3W}$ operator. A simultaneous measurement of the photon transverse momentum and the azimuthal angle of the charged lepton in a special reference frame is performed. This two-dimensional approach provides up to a factor of ten more sensitivity to the interference between the standard model and the $\\mathcal{O}_{3W}$ contribution than using the transverse momentum alone.","hasPart":[{"@id":"https://doi.org/10.17182/hepdata.115354.v1/t1","@type":"Dataset","description":"Measured absolute differential $p_{\\mathrm{T}}^{\\gamma}$ cross section, compared to the MG5_aMC+PY8, GENEVA, MATRIX and MCFM predictions. 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