{"@context":"http://schema.org","@id":"https://doi.org/10.17182/hepdata.100351.v2","@reverse":{"isBasedOn":[{"@type":"ScholarlyArticle","identifier":{"@type":"PropertyValue","propertyID":"URL","value":"https://inspirehep.net/literature/1853014"}},{"@id":"https://doi.org/10.1140/epjc/s10052-021-09439-4","@type":"JournalArticle"}]},"@type":"Dataset","additionalType":"Collection","author":{"@type":"Organization","name":"ATLAS Collaboration"},"creator":{"@type":"Organization","name":"ATLAS Collaboration"},"datePublished":"2021","description":"CERN-LHC-ATLAS.  Measurements of the inclusive and differential fiducial cross-sections for $t\\bar{t}+Z$ production in proton-proton collisions at a centre-of-mass energy of 13 TeV with 139 fb\u22121 of data collected between 2015 and 2018. \n\nThe fiducial regions for the trilepton channel are defined as:\n- Exactly 3 leptons ($e$ or $\\mu$) with transverse momentum greater than 27, 20, 20 GeV for leading, subleading and third lepton, respectively.\n- The sum of the three lepton charges is required to be $\\pm$1.\n- At least one opposite-sign-same-flavour (OSSF) lepton pair (considered to be lepton pair from $Z$ boson) with invaraint mass compatible with $Z$ boson ($|m_{\\ell\\ell}^{Z}-m_{Z}|<10$ GeV) and $m_{OSSF}>10$ GeV for each OSSF lepton pair.\n- Two orthogonal regions combined for inclusive measurement, different region for differential measurement.\n- $b$-jets requirements: pseudo-continuous $b$-tagging with different working points for inclusive measurement, fixed 85% $b$-tagging working point for differential measurement. \n- At least 3 (inclusive and differential region) or 4 (inclusive region) jets\n\nThe fiducial regions for the tetralepton channel are defined as:\n- Exactly 4 leptons ($e$ or $\\mu$) with transverse momentum greater than 27, 20, 10, 7 GeV for leading, subleading, third and fourth lepton, respectively.\n- The sum of the four lepton charges is required to be zero.\n- At least one opposite-sign-same-flavor (OSSF) lepton pair (considered to be lepton pair from $Z$ boson) with invaraint mass compatible with $Z$ boson ($|m_{\\ell\\ell}^{Z}-m_{Z}|<10$ GeV) and $m_{OSSF}>10$ GeV for each OSSF lepton pair.\n- Four regions separated based on $b$-jets multiplicity (1$b$ or 2$b$ jets at 85% $b$-tagging working point) and flavour composition of the non-$Z$ lepton pair (same flavour, different flavour).\n- At least 2 jets.\n- $E_{T}^{miss}$ requirements (depending on the region) for suppresion of $ZZ$+jets background.","hasPart":[{"@id":"https://doi.org/10.17182/hepdata.100351.v2/t1","@type":"Dataset","description":"The measured $t\\bar{t}\\text{Z}$ cross-section value and its uncertainty based on the fit results from the combined trilepton and tetralepton channels....","name":"Table 1"},{"@id":"https://doi.org/10.17182/hepdata.100351.v2/t2","@type":"Dataset","description":"List of relative uncertainties of the measured inclusive $t\\bar{t}\\text{Z}$ cross section from the combined fit. The uncertainties are symmetrised for...","name":"Table 2"},{"@id":"https://doi.org/10.17182/hepdata.100351.v2/t3","@type":"Dataset","description":"The definitions of the trilepton signal regions: for the inclusive measurement, a combination of the regions with pseudo-continuous $b$-tagging 3$\\ell$-Z-1$b$4$j$-PCBT...","name":"Table 3"},{"@id":"https://doi.org/10.17182/hepdata.100351.v2/t4","@type":"Dataset","description":"The definitions of the four tetralepton signal regions. The regions are defined to target different $b$-jet multiplicities and flavour combinations...","name":"Table 4"},{"@id":"https://doi.org/10.17182/hepdata.100351.v2/t5","@type":"Dataset","description":"The absolute particle-level differential cross-section measured in the fiducial phase-space as a function of the $p_{\\textrm{T}}$ of the $Z$ boson...","name":"Table 5"},{"@id":"https://doi.org/10.17182/hepdata.100351.v2/t6","@type":"Dataset","description":"The absolute parton-level differential cross-section measured in the fiducial phase-space as a function of the $p_{\\textrm{T}}$ of the $Z$ boson...","name":"Table 6"},{"@id":"https://doi.org/10.17182/hepdata.100351.v2/t7","@type":"Dataset","description":"The normalised particle-level differential cross-section measured in the fiducial phase-space as a function of the $p_{\\textrm{T}}$ of the $Z$ boson...","name":"Table 7"},{"@id":"https://doi.org/10.17182/hepdata.100351.v2/t8","@type":"Dataset","description":"The normalised parton-level differential cross-section measured in the fiducial phase-space as a function of the $p_{\\textrm{T}}$ of the $Z$ boson...","name":"Table 8"},{"@id":"https://doi.org/10.17182/hepdata.100351.v2/t9","@type":"Dataset","description":"The absolute parton-level differential cross-section measured in the fiducial phase-space as a function of the absolute value of rapidity of...","name":"Table 9"},{"@id":"https://doi.org/10.17182/hepdata.100351.v2/t10","@type":"Dataset","description":"The absolute particle-level differential cross-section measured in the fiducial phase-space as a function of the number of jets in the...","name":"Table 10"},{"@id":"https://doi.org/10.17182/hepdata.100351.v2/t11","@type":"Dataset","description":"The absolute particle-level differential cross-section measured in the fiducial phase-space as a function of the number of jets in the...","name":"Table 11"},{"@id":"https://doi.org/10.17182/hepdata.100351.v2/t12","@type":"Dataset","description":"The absolute parton-level differential cross-section measured in the fiducial phase-space as a function of the $p_{\\textrm{T}}^{l \\textrm{non-}Z}$ in the 3$\\ell$...","name":"Table 12"},{"@id":"https://doi.org/10.17182/hepdata.100351.v2/t13","@type":"Dataset","description":"The absolute parton-level differential cross-section measured in the fiducial phase-space as a function of the $|\\Delta \\phi (Z, t_{\\textrm{lep}})|/\\pi$ in...","name":"Table 13"},{"@id":"https://doi.org/10.17182/hepdata.100351.v2/t14","@type":"Dataset","description":"The absolute parton-level differential cross-section measured in the fiducial phase-space as a function of the $|\\Delta y (Z, t_{\\textrm{lep}})|$ in...","name":"Table 14"},{"@id":"https://doi.org/10.17182/hepdata.100351.v2/t15","@type":"Dataset","description":"The absolute parton-level differential cross-section measured in the fiducial phase-space as a function of the $|\\Delta \\phi (l_{t}^{+}, l_{\\bar{t}}^{-})|/\\pi$ in...","name":"Table 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