{"@context":"http://schema.org","@id":"https://doi.org/10.17182/hepdata.77381.v1","@reverse":{"isBasedOn":[{"@type":"ScholarlyArticle","identifier":{"@type":"PropertyValue","propertyID":"URL","value":"https://inspirehep.net/literature/1591327"}},{"@id":"https://doi.org/10.1103/PhysRevD.95.112005","@type":"JournalArticle"}]},"@type":"Dataset","additionalType":"Collection","author":{"@type":"Organization","name":"ATLAS Collaboration"},"creator":{"@type":"Organization","name":"ATLAS Collaboration"},"datePublished":"2017","description":"CERN-LHC. A measurement of the production cross section for two isolated photons in proton--proton collisions at a centre-of-mass energy of $\\sqrt{s}=8$~TeV is presented. The results are based on an integrated luminosity of 20.2~fb$^{-1}$ recorded by the ATLAS detector at the Large Hadron Collider. The measurement considers photons with pseudorapidities satisfying $|\\eta^{\\gamma}|<1.37$ or ${1.56<|\\eta^{\\gamma}|<2.37}$ and transverse energies of respectively $E_{\\mathrm{T,1}}^{\\gamma}>$ 40~GeV and $E_{\\mathrm{T,2}}^{\\gamma}>$ 30~GeV for the two leading photons ordered in transverse energy produced in the interaction. The background due to hadronic jets and electrons is subtracted using data-driven techniques. The fiducial cross sections are corrected for detector effects and measured differentially as a function of six kinematic observables.\n\nFiducial volume definition:\n- At least two 2 photons not coming from hadron or $\\tau$ decays\n- pT(photon_1) > 40 GeV, pT(photon_2) > 30 GeV\n- |eta(photons)| < 2.37 and not within 1.37 < |eta(photons)| < 1.56\n- ETiso(photons) < 11 GeV\n- deltaR(photon_1,photon_2) > 0.4","hasPart":[{"@id":"https://doi.org/10.17182/hepdata.77381.v1/t1","@type":"Dataset","description":"The measured fiducial (total xs).","name":"Table 1"},{"@id":"https://doi.org/10.17182/hepdata.77381.v1/t2","@type":"Dataset","description":"The measured differential as a function of Mgg.","name":"Table 2"},{"@id":"https://doi.org/10.17182/hepdata.77381.v1/t3","@type":"Dataset","description":"The measured differential as a function of pTgg.","name":"Table 3"},{"@id":"https://doi.org/10.17182/hepdata.77381.v1/t4","@type":"Dataset","description":"The measured differential as a function of aT.","name":"Table 4"},{"@id":"https://doi.org/10.17182/hepdata.77381.v1/t5","@type":"Dataset","description":"The measured differential as a function of phiStarEta.","name":"Table 5"},{"@id":"https://doi.org/10.17182/hepdata.77381.v1/t6","@type":"Dataset","description":"The measured differential as a function of abs(cosThetaStarEta).","name":"Table 6"},{"@id":"https://doi.org/10.17182/hepdata.77381.v1/t7","@type":"Dataset","description":"The measured differential as a function of deltaPhi.","name":"Table 7"}],"identifier":[{"@type":"PropertyValue","propertyID":"HEPDataRecord","value":"https://www.hepdata.net/record/ins1591327?version=1"},{"@type":"PropertyValue","propertyID":"HEPDataRecordAlt","value":"https://www.hepdata.net/record/77381"}],"inLanguage":"en","name":"Measurements of integrated and differential cross sections for isolated photon pair production in pp collisions at $\\sqrt{s}=8$ TeV with the ATLAS detector","provider":{"@type":"Organization","name":"HEPData"},"publisher":{"@type":"Organization","name":"HEPData"},"url":"https://www.hepdata.net/record/ins1591327?version=1","version":1}