{"@context":"http://schema.org","@id":"https://doi.org/10.17182/hepdata.94259.v2","@reverse":{"isBasedOn":[{"@type":"ScholarlyArticle","identifier":{"@type":"PropertyValue","propertyID":"URL","value":"https://inspirehep.net/literature/1814328"}},{"@id":"https://doi.org/10.1103/PhysRevD.102.092001","@type":"JournalArticle"}]},"@type":"Dataset","additionalType":"Collection","author":{"@type":"Organization","name":"CMS Collaboration"},"creator":{"@type":"Organization","name":"CMS Collaboration"},"datePublished":"2021","description":"A measurement of the W W boson pair production cross section in proton-proton collisions at $\\sqrt{s}$ = 13 TeV is presented. The data used in this study were collected with the CMS detector at the LHC and correspond to an integrated luminosity of 35.9 fb$^{-1}$. The W$^+$ W$^-$ candidate events are selected by first requiring two oppositely-charged leptons (electrons or muons). Two methods for reducing background contributions are employed. In the first one, a sequence of requirements on kinematic quantities is applied allowing a measurement of the total cross section: 117.6 +/- 6.8 pb which agrees well with the theoretical cross section. Fiducial cross sections are also reported for events with zero jets or one jet, and the change in the zero-jet fiducial cross sec- tion with the jet $p_T$ threshold is measured. Normalized differential cross sections are reported within the fiducial region; these are compared to theoretical predictions based on quantum chromodynamics at next-to-next-to-leading-order accuracy. A second method for suppressing background contributions employs two random forest classifiers. The analysis based on this method includes a measurement of the total cross section and also a measurement of the normalized jet multiplicity distribution in $W$^+ W$^-$ events. Finally, a dilepton invariant mass distribution is used to probe for physics beyond the standard model in the context of an effective field theory and limits on the presence of dimension-6 operators are derived.","hasPart":[{"@id":"https://doi.org/10.17182/hepdata.94259.v2/t1","@type":"Dataset","description":"Summary of cross sections obtained in the sequential cut analysis. The uncertainty listed is the total uncertainty obtained from the...","name":"Table 5"},{"@id":"https://doi.org/10.17182/hepdata.94259.v2/t2","@type":"Dataset","description":"Measured fraction of events after unfolding for $N_J = 0, 1, \\geq 2$ jets. The first uncertainty is statistical and...","name":"Table 8"},{"@id":"https://doi.org/10.17182/hepdata.94259.v2/t3","@type":"Dataset","description":"Expected and observed 68% and 95% confidence intervals on the measurement of the Wilson coefficients associated with the three CP-preserving,...","name":"Table 9"},{"@id":"https://doi.org/10.17182/hepdata.94259.v2/t4","@type":"Dataset","description":"Measured normalized differential cross sections with respect to the dilepton invariant mass.","name":"Figure 6 top left"},{"@id":"https://doi.org/10.17182/hepdata.94259.v2/t5","@type":"Dataset","description":"Measured normalized differential cross sections with respect to the leading lepton $p_T$.","name":"Figure 6 top right"},{"@id":"https://doi.org/10.17182/hepdata.94259.v2/t6","@type":"Dataset","description":"Measured normalized differential cross sections with respect to the trailing lepton $p_T$.","name":"Figure 6 bottom left"},{"@id":"https://doi.org/10.17182/hepdata.94259.v2/t7","@type":"Dataset","description":"Measured normalized differential cross sections with respect to the dilepton azimuthal angular separation.","name":"Figure 6 bottom right"},{"@id":"https://doi.org/10.17182/hepdata.94259.v2/t8","@type":"Dataset","description":"Fiducial cross section for the production of $W^+W^-$ +0-jets as the $p_T$ threshold for jets is varied. The fiducial region...","name":"Table 6"}],"identifier":[{"@type":"PropertyValue","propertyID":"HEPDataRecord","value":"https://www.hepdata.net/record/ins1814328?version=2"},{"@type":"PropertyValue","propertyID":"HEPDataRecordAlt","value":"https://www.hepdata.net/record/94259"}],"inLanguage":"en","name":"W$^+$W$^-$ boson pair production 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/ins1814328?version=2","version":2}