{"@context":"http://schema.org","@id":"https://doi.org/10.17182/hepdata.167074.v1","@reverse":{"isBasedOn":[{"@type":"ScholarlyArticle","identifier":{"@type":"PropertyValue","propertyID":"URL","value":"https://inspirehep.net/literature/3088047"}},{"@id":"https://doi.org/10.1007/JHEP05(2026)020","@type":"JournalArticle"}]},"@type":"Dataset","additionalType":"Collection","author":{"@type":"Organization","name":"CMS Collaboration"},"creator":{"@type":"Organization","name":"CMS Collaboration"},"datePublished":"2025","description":"The first observation of electroweak production of a photon in association with two forward jets in proton-proton collisions is presented. The measurement uses data recorded by the CMS experiment at the LHC during 2016--2018 at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of $138~\\mathrm{fb}^{-1}$. The analysis is performed in a region enriched in photon production via vector boson fusion, with a requirement on the transverse momentum of the photon to exceed 200 GeV. The cross section is measured to be $202^{+36}_{-32}~\\mathrm{fb}$, at a significance with respect to the null hypothesis that exceeds five standard deviations. This is in agreement with the standard model prediction of $177^{+13}_{-12}~\\mathrm{fb}$. Differential cross sections are measured as a function of various observables. Limits are set on dimension-6 effective field theory operators that contribute to the WW$\\gamma$ interaction. The observed 95\\% confidence intervals for the corresponding Warsaw basis Wilson coefficients $c_{\\mathrm{W}}$ and $c_{\\mathrm{HWB}}$ are $[-0.11, 0.16]$ and $[-1.6, 1.5]$, respectively.","hasPart":[{"@id":"https://doi.org/10.17182/hepdata.167074.v1/t1","@type":"Dataset","description":"Summary of uncertainties affecting the measurement as extracted from the fit to data. The total uncertainty is obtained by adding...","name":"Table 2"},{"@id":"https://doi.org/10.17182/hepdata.167074.v1/t2","@type":"Dataset","description":"The rapidity gap fraction as a function of $p_{\\mathrm{T}^{veto}}$ in data and simulated samples for EW $\\gamma$jj and QCD $\\gamma$jj....","name":"Figure 7"},{"@id":"https://doi.org/10.17182/hepdata.167074.v1/t3","@type":"Dataset","description":"Normalized differential cross sections, compared with the SM predictions, as a function of the absolute value of pseudorapidity of the...","name":"Figure 9a"},{"@id":"https://doi.org/10.17182/hepdata.167074.v1/t4","@type":"Dataset","description":"Normalized differential cross sections, compared with the SM predictions, as a function of the absolute value of pseudorapidity of the...","name":"Figure 9b"},{"@id":"https://doi.org/10.17182/hepdata.167074.v1/t5","@type":"Dataset","description":"Normalized differential cross sections, compared with the SM predictions, as a function of the invariant mass of the two jets....","name":"Figure 9c"},{"@id":"https://doi.org/10.17182/hepdata.167074.v1/t6","@type":"Dataset","description":"Normalized differential cross sections, compared with the SM predictions, as a function of the photon's transverse momentum. The SM predictions...","name":"Figure 9d"},{"@id":"https://doi.org/10.17182/hepdata.167074.v1/t7","@type":"Dataset","description":"Normalized differential cross sections, compared with the SM predictions, as a function of the event centrality as defined in Ref.[13]...","name":"Figure 9e"},{"@id":"https://doi.org/10.17182/hepdata.167074.v1/t8","@type":"Dataset","description":"Normalized differential cross sections, compared with the SM predictions, as a function of the Zeppenfeld variable that is defined in...","name":"Figure 9f"},{"@id":"https://doi.org/10.17182/hepdata.167074.v1/t9","@type":"Dataset","description":"Negative of twice in the difference in the log-likelihood as a function of $c_{\\mathrm{W}}$, based on 138 $\\mathrm{fb}^{-1}$ of CMS...","name":"Figure 11a"},{"@id":"https://doi.org/10.17182/hepdata.167074.v1/t10","@type":"Dataset","description":"Negative of twice in the difference in the log-likelihood as a function of $c_{\\mathrm{HWB}}$, based on 138 $\\mathrm{fb}^{-1}$ of CMS...","name":"Figure 11b"},{"@id":"https://doi.org/10.17182/hepdata.167074.v1/t11","@type":"Dataset","description":"Negative of twice in the difference in the log-likelihood as a function of $c_{\\mathrm{HWB}}$ and $c_{\\mathrm{W}}$, based on 138 $\\mathrm{fb}^{-1}$...","name":"Figure 11c"},{"@id":"https://doi.org/10.17182/hepdata.167074.v1/t12","@type":"Dataset","description":"Predicted and measured EWK $\\gamma\\mathrm{jj}$ fiducial cross sections.","name":"Tabulated result for the fiducial cross section"}],"identifier":[{"@type":"PropertyValue","propertyID":"HEPDataRecord","value":"https://www.hepdata.net/record/ins3088047?version=1"},{"@type":"PropertyValue","propertyID":"HEPDataRecordAlt","value":"https://www.hepdata.net/record/167074"}],"inLanguage":"en","name":"Measurements of electroweak production of a photon in association with two jets in proton-proton collisions at $\\sqrt{s}$ = 13 TeV","provider":{"@type":"Organization","name":"HEPData"},"publisher":{"@type":"Organization","name":"HEPData"},"url":"https://www.hepdata.net/record/ins3088047?version=1","version":1}