{"@context":"http://schema.org","@id":"https://doi.org/10.17182/hepdata.153640.v1","@reverse":{"isBasedOn":[{"@type":"ScholarlyArticle","identifier":{"@type":"PropertyValue","propertyID":"URL","value":"https://inspirehep.net/literature/2818839"}},{"@id":"https://doi.org/10.1103/PhysRevD.111.012012","@type":"JournalArticle"}]},"@type":"Dataset","additionalType":"Collection","author":{"@type":"Organization","name":"ATLAS Collaboration"},"creator":{"@type":"Organization","name":"ATLAS Collaboration"},"datePublished":"2025","description":"A combination of searches for the single production of vector-like top quarks ($T$) is presented. These analyses are based on proton--proton collisions at $\\sqrt{s}=13$ $TeV$ recorded in 2015--2018 with the ATLAS detector at the Large Hadron Collider, corresponding to an integrated luminosity of 139 fb$^{-1}$. The $T$-quark decay modes considered in this combination are into a top quark and either a Standard Model Higgs boson or a $Z$ boson ($T \\to Ht$ and $T \\to Zt$). The individual searches used in the combination are differentiated by the number of leptons ($e$, $\\mu$) in the final state. The observed data are found to be in good agreement with the Standard Model background prediction. Interpretations are provided for a range of masses and couplings of the vector-like top quark for benchmark models and generalized representations in terms of 95 % confidence level limits. For a benchmark signal prediction of a vector-like top quark $SU(2)$ singlet with electroweak coupling, $\\kappa$, of 0.5, masses below 2.1 TeV are excluded, resulting in the most restrictive limits to date.","hasPart":[{"@id":"https://doi.org/10.17182/hepdata.153640.v1/t1","@type":"Dataset","description":"Observed and expected 95% CL upper limits on the total cross-section \u03c3($pp$ \u2192 $T$ \u2192 $Ht/Zt$) as a function of...","name":"Figure 2a"},{"@id":"https://doi.org/10.17182/hepdata.153640.v1/t2","@type":"Dataset","description":"Observed and expected 95% CL upper limits on the total cross-section \u03c3($pp$ \u2192 $T$ \u2192 $Ht/Zt$) as a function of...","name":"Figure 2b"},{"@id":"https://doi.org/10.17182/hepdata.153640.v1/t3","@type":"Dataset","description":"Observed and expected 95% CL upper limits on the total cross-section \u03c3($pp$ \u2192 $T$ \u2192 $Ht/Zt$) as a function of...","name":"Figure 3a"},{"@id":"https://doi.org/10.17182/hepdata.153640.v1/t4","@type":"Dataset","description":"Observed and expected 95% CL upper limits on the total cross-section \u03c3($pp$ \u2192 $T$ \u2192 $Ht/Zt$) as a function of...","name":"Figure 3b"},{"@id":"https://doi.org/10.17182/hepdata.153640.v1/t5","@type":"Dataset","description":"Observed 95% CL exclusion limits on the total cross-section \u03c3($pp$ \u2192 $T$ \u2192 $Ht/Zt$) as a function of the universal...","name":"Figure 4a"},{"@id":"https://doi.org/10.17182/hepdata.153640.v1/t6","@type":"Dataset","description":"Expected 95% CL exclusion limits on the total cross-section \u03c3($pp$ \u2192 $T$ \u2192 $Ht/Zt$) as a function of the universal...","name":"Figure 4b"},{"@id":"https://doi.org/10.17182/hepdata.153640.v1/t7","@type":"Dataset","description":"Observed 95% CL exclusion limits on the total cross-section \u03c3($pp$ \u2192 $T$ \u2192 $Ht/Zt$) as a function of the universal...","name":"Figure 5a"},{"@id":"https://doi.org/10.17182/hepdata.153640.v1/t8","@type":"Dataset","description":"Expected 95% CL exclusion limits on the total cross-section \u03c3($pp$ \u2192 $T$ \u2192 $Ht/Zt$) as a function of the universal...","name":"Figure 5b"},{"@id":"https://doi.org/10.17182/hepdata.153640.v1/t9","@type":"Dataset","description":"Obs.Comb 95% CL exclusion limits on the universal coupling constant $\\kappa$ as a function of the $T$ quark mass in...","name":"Figure 6a - 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