{"@context":"http://schema.org","@id":"https://doi.org/10.17182/hepdata.145171.v1","@reverse":{"isBasedOn":[{"@type":"ScholarlyArticle","identifier":{"@type":"PropertyValue","propertyID":"URL","value":"https://inspirehep.net/literature/2842018"}},{"@id":"https://doi.org/10.1016/j.physletb.2025.139472","@type":"JournalArticle"}]},"@type":"Dataset","additionalType":"Collection","author":{"@type":"Organization","name":"ATLAS Collaboration"},"creator":{"@type":"Organization","name":"ATLAS Collaboration"},"datePublished":"2025","description":"A search is conducted for a new scalar boson $S$, with a mass distinct from that of the Higgs boson, decaying promptly into four leptons ($\\ell =$ $e$, $\\mu$) via an intermediate state containing two on-shell, promptly decaying new spin-1 bosons $Z_{d}$: $S \\rightarrow Z_{d}Z_{d} \\rightarrow 4\\ell$, where the $Z_{d}$ boson has a mass between 15 and 300 GeV, and the $S$ boson has a mass between either 30 and 115 GeV or 130 and 800 GeV. The search  uses proton-proton collision data collected with the ATLAS detector at the Large Hadron Collider with an integrated luminosity of 139 fb$^{-1}$ at a centre-of-mass energy of $\\sqrt{s}=13$ TeV. No significant excess above the Standard Model background expectation is observed. Upper limits at 95% confidence level are set on the production cross-section times branching ratio, $\\sigma(gg \\rightarrow S) \\times \\mathcal{B}(S\\rightarrow Z_{d}Z_{d} \\rightarrow 4\\ell)$, as a function of the mass of both particles, $S$ and $m_{Z_{d}}$.","hasPart":[{"@id":"https://doi.org/10.17182/hepdata.145171.v1/t1","@type":"Dataset","description":"Average dilepton mass distribution $\\left\\langle m_{\\ell\\ell}\\right\\rangle = \\frac{1}{2}\\left(m_{ab} + m_{cd}\\right)$ in Signal Region 1.","name":"Average dilepton mass distribution in SR1"},{"@id":"https://doi.org/10.17182/hepdata.145171.v1/t2","@type":"Dataset","description":"Average dilepton mass distribution $\\left\\langle m_{\\ell\\ell}\\right\\rangle = \\frac{1}{2}\\left(m_{ab} + m_{cd}\\right)$ in Signal Region 2.","name":"Average dilepton mass distribution in SR2"},{"@id":"https://doi.org/10.17182/hepdata.145171.v1/t3","@type":"Dataset","description":"Total invariant mass distribution $m_{4\\ell}$ in Signal Region 1.","name":"Total invariant mass distribution in SR1"},{"@id":"https://doi.org/10.17182/hepdata.145171.v1/t4","@type":"Dataset","description":"Total invariant mass distribution $m_{4\\ell}$ in Signal Region 2.","name":"Total invariant mass distribution in SR2"},{"@id":"https://doi.org/10.17182/hepdata.145171.v1/t5","@type":"Dataset","description":"Selected events in the ($m_{4\\ell}$, $\\left\\langle m_{\\ell\\ell}\\right\\rangle$) plane, SR1","name":"Total invariant mass vs average dilepton mass of data, in SR1"},{"@id":"https://doi.org/10.17182/hepdata.145171.v1/t6","@type":"Dataset","description":"Selected events in the ($m_{4\\ell}$, $\\left\\langle m_{\\ell\\ell}\\right\\rangle$) plane, SR2","name":"Total invariant mass vs average dilepton mass of data, in SR2"},{"@id":"https://doi.org/10.17182/hepdata.145171.v1/t7","@type":"Dataset","description":"Expected background events in the $(m_{4\\ell}, \\langle m_{\\ell\\ell}\\rangle)$ plane, SR1","name":"Total invariant mass vs average dilepton mass of background, SR1"},{"@id":"https://doi.org/10.17182/hepdata.145171.v1/t8","@type":"Dataset","description":"Expected signal shape for $(m_{S}, m_{Z_d}) = (110~\\text{GeV},30~\\text{GeV}$) in the $(m_{4\\ell}, \\langle m_{\\ell\\ell}\\rangle)$ plane, SR1. The signal distributions are normalized...","name":"Total invariant mass vs average dilepton mass of signal, in SR1"},{"@id":"https://doi.org/10.17182/hepdata.145171.v1/t9","@type":"Dataset","description":"Expected background events in the $(m_{4\\ell}, \\langle m_{\\ell\\ell}\\rangle)$ plane, SR2. Events that satisfy $|m_{ab,cd} - m_Z| < 8~\\text{GeV}$ are removed...","name":"Total invariant mass vs average dilepton mass of background, SR2"},{"@id":"https://doi.org/10.17182/hepdata.145171.v1/t10","@type":"Dataset","description":"Expected signal shape for $(m_{S}, m_{Z_{d}}) = (750~\\text{GeV},150~\\text{GeV}$) in the $(m_{4\\ell}, \\langle m_{\\ell\\ell}\\rangle)$ plane, SR2. The signal distributions are normalized...","name":"Total invariant mass vs average dilepton mass of signal, in SR2"},{"@id":"https://doi.org/10.17182/hepdata.145171.v1/t11","@type":"Dataset","description":"Expected 95% CL limit on $\\sigma \\mathcal{B}(S\\rightarrow Z_{d}Z_{d} \\rightarrow 4\\ell)$, SR1","name":"95% CL expected limit in SR1"},{"@id":"https://doi.org/10.17182/hepdata.145171.v1/t12","@type":"Dataset","description":"Observed 95% CL limit on $\\sigma \\mathcal{B}(S\\rightarrow Z_{d}Z_{d} \\rightarrow 4\\ell)$, SR1","name":"95% CL observed limit in SR1"},{"@id":"https://doi.org/10.17182/hepdata.145171.v1/t13","@type":"Dataset","description":"Observed / Expected 95% CL limit ratio in SR1","name":"95% CL limit ratio in SR1"},{"@id":"https://doi.org/10.17182/hepdata.145171.v1/t14","@type":"Dataset","description":"Expected 95% CL limit on $\\mathcal{B}(S\\rightarrow Z_{d}Z_{d} \\rightarrow 4\\ell)$ with Z-veto, SR2","name":"95% CL expected limit in SR2"},{"@id":"https://doi.org/10.17182/hepdata.145171.v1/t15","@type":"Dataset","description":"Observed 95% CL limit on $\\sigma \\mathcal{B}(S\\rightarrow Z_{d}Z_{d} \\rightarrow 4\\ell)$ with Z-veto, SR2","name":"95% CL observed limit in SR2"},{"@id":"https://doi.org/10.17182/hepdata.145171.v1/t16","@type":"Dataset","description":"Observed / Expected 95% CL limit ratio with Z-veto, SR2","name":"95% CL limit ratio with Z-veto in SR2"},{"@id":"https://doi.org/10.17182/hepdata.145171.v1/t17","@type":"Dataset","description":"Local $p_0$-values in the ($m_{S}, m_{Z_{d}}$) plane, SR1","name":"Local p0-values distribution in SR1"},{"@id":"https://doi.org/10.17182/hepdata.145171.v1/t18","@type":"Dataset","description":"Local $p_0$-values in the ($m_{S}, m_{Z_{d}}$) plane, SR2 with Z-veto applied","name":"Local p0-values distribution in SR2"},{"@id":"https://doi.org/10.17182/hepdata.145171.v1/t19","@type":"Dataset","description":"Observed data in Signal Region 1 in the $(m_{4\\ell}, \\langle m_{\\ell\\ell}\\rangle)$ plane.","name":"Observed data distribution in SR1"},{"@id":"https://doi.org/10.17182/hepdata.145171.v1/t20","@type":"Dataset","description":"Observed data in Signal Region 2 in the $(m_{4\\ell}, \\langle m_{\\ell\\ell}\\rangle)$ plane. Events that satisfy $|m_{ab,cd} - m_Z| < 8~\\text{GeV}$...","name":"Observed data distibution with Z-veto in SR2"},{"@id":"https://doi.org/10.17182/hepdata.145171.v1/t21","@type":"Dataset","description":"Distributions of the average dilepton mass $\\left\\langle m_{\\ell\\ell}\\right\\rangle = \\frac{1}{2}\\left(m_{ab} + m_{cd}\\right)$ for Signal Region 1 in the $4e$ final...","name":"Average dilepton mass distribution in SR1 for 4e channel"},{"@id":"https://doi.org/10.17182/hepdata.145171.v1/t22","@type":"Dataset","description":"Distributions of the average dilepton mass $\\left\\langle m_{\\ell\\ell}\\right\\rangle = \\frac{1}{2}\\left(m_{ab} + m_{cd}\\right)$ for Signal Region 1 in the $2e2\\mu$ final...","name":"Average dilepton mass distribution in SR1 for 2e2mu channel"},{"@id":"https://doi.org/10.17182/hepdata.145171.v1/t23","@type":"Dataset","description":"Distributions of the average dilepton mass $\\left\\langle m_{\\ell\\ell}\\right\\rangle = \\frac{1}{2}\\left(m_{ab} + m_{cd}\\right)$ for Signal Region 1 in the $4\\mu$ final...","name":"Average dilepton mass distribution in SR1 for 4mu channel"},{"@id":"https://doi.org/10.17182/hepdata.145171.v1/t24","@type":"Dataset","description":"Distributions of the average dilepton mass $\\left\\langle m_{\\ell\\ell}\\right\\rangle = \\frac{1}{2}\\left(m_{ab} + m_{cd}\\right)$ for Signal Region 2 in the $4e$ final...","name":"Average dilepton mass distribution in SR2 for 4e channel"},{"@id":"https://doi.org/10.17182/hepdata.145171.v1/t25","@type":"Dataset","description":"Distributions of the average dilepton mass $\\left\\langle m_{\\ell\\ell}\\right\\rangle = \\frac{1}{2}\\left(m_{ab} + m_{cd}\\right)$ for Signal Region 2 in the $2e2\\mu$ final...","name":"Average dilepton mass distribution in SR2 for 2e2mu channel"},{"@id":"https://doi.org/10.17182/hepdata.145171.v1/t26","@type":"Dataset","description":"Distributions of the average dilepton mass $\\left\\langle m_{\\ell\\ell}\\right\\rangle = \\frac{1}{2}\\left(m_{ab} + m_{cd}\\right)$ for Signal Region 2 in the $4\\mu$ final...","name":"Average dilepton mass distribution in SR2 for 4mu channel"},{"@id":"https://doi.org/10.17182/hepdata.145171.v1/t27","@type":"Dataset","description":"Distributions of the total invariant mass $m_{4\\ell}$ for Signal Region 1 in the $4e$ final state. 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