{"@context":"http://schema.org","@id":"https://doi.org/10.17182/hepdata.130818.v2","@reverse":{"isBasedOn":[{"@type":"ScholarlyArticle","identifier":{"@type":"PropertyValue","propertyID":"URL","value":"https://inspirehep.net/literature/2625676"}},{"@id":"https://doi.org/10.1007/JHEP07(2023)090","@type":"JournalArticle"}]},"@type":"Dataset","additionalType":"Collection","author":{"@type":"Organization","name":"ATLAS Collaboration"},"creator":{"@type":"Organization","name":"ATLAS Collaboration"},"datePublished":"2023","description":"This paper presents a search for a new $Z'$ vector gauge boson with the ATLAS experiment at the Large Hadron Collider using $pp$ collision data collected at $\\sqrt{s} = 13$ TeV, corresponding to an integrated luminosity of 139 fb$^{-1}$.The new gauge boson $Z'$ is predicted by $L_{\\mu}-L_{\\tau}$ models to address observed phenomena that can not be explained by the Standard Model.The search examines the four-muon (4$\\mu$) final state, using a deep learning neural network classifier to separate the $Z'$ signal from the Standard Model background events.The di-muon invariant masses in the $4\\mu$ events are used to extract the $Z'$ resonance signature.No significant excess of events is observed over the predicted background.Upper limits at a 95% confidence level on the $Z'$ production cross-section times the decay branching fraction of $pp \\rightarrow Z'\\mu\\mu \\rightarrow 4\\mu$ are set from 0.31 to 4.3 fb for the $Z'$ mass ranging from 5 to 81 GeV.The corresponding common coupling strengths, $g_{Z'}$, of the $Z'$ boson to the second and third generation leptons above 0.003 -- 0.2 have been excluded.","hasPart":[{"@id":"https://doi.org/10.17182/hepdata.130818.v2/t1","@type":"Dataset","description":"Summary of the chosen $Z'$ hypotheses and corresponding coupling, width, and cross-section (calculated at LO accuracy in QCD) at each...","name":"Table 1"},{"@id":"https://doi.org/10.17182/hepdata.130818.v2/t2","@type":"Dataset","description":"The $Z'$ signal event selection efficiencies compared to the events passing the previous cut level for several representative mass points....","name":"Table 2"},{"@id":"https://doi.org/10.17182/hepdata.130818.v2/t3","@type":"Dataset","description":"The selected 4$\\mu$ events in data and the estimated backgrounds and their combined statistical and systematic uncertainties.","name":"Table 3"},{"@id":"https://doi.org/10.17182/hepdata.130818.v2/t4","@type":"Dataset","description":"Distributions of $p_{T}^{Z_1}$. Small background contributions are denoted as \"other backgrounds\", including 4$\\mu$ events containing non-prompt muons estimated from data...","name":"Table 4"},{"@id":"https://doi.org/10.17182/hepdata.130818.v2/t5","@type":"Dataset","description":"Distributions of $p_{T}^{Z_2}$. Small background contributions are denoted as \"other backgrounds\", including 4$\\mu$ events containing non-prompt muons estimated from data...","name":"Table 5"},{"@id":"https://doi.org/10.17182/hepdata.130818.v2/t6","@type":"Dataset","description":"Distributions of the mass difference of the $Z_1$ and $Z_2$ candidates. Small background contributions are denoted as \"other backgrounds\", including...","name":"Table 6"},{"@id":"https://doi.org/10.17182/hepdata.130818.v2/t7","@type":"Dataset","description":"The pDNN output discriminant variable distributions for low mass with a signal sample at 35 GeV and 51 GeV, respectively.","name":"Table 7"},{"@id":"https://doi.org/10.17182/hepdata.130818.v2/t8","@type":"Dataset","description":"The pDNN output discriminant variable distributions for high mass with a signal sample at 35 GeV and 51 GeV, respectively.","name":"Table 8"},{"@id":"https://doi.org/10.17182/hepdata.130818.v2/t9","@type":"Dataset","description":"Mass spectra of $m_{Z2}$ for the pDNN-selected events with a signal sample at 15 GeV.","name":"Table 9"},{"@id":"https://doi.org/10.17182/hepdata.130818.v2/t10","@type":"Dataset","description":"Mass spectra of $m_{Z1}$ for the pDNN-selected events with a signal sample at 51 GeV.","name":"Table 10"},{"@id":"https://doi.org/10.17182/hepdata.130818.v2/t11","@type":"Dataset","description":"The $p_0$-value scan across the Z' mass signal regions.","name":"Table 11"},{"@id":"https://doi.org/10.17182/hepdata.130818.v2/t12","@type":"Dataset","description":"95% CL upper limits (expected and observed) on the cross-sections times branching fraction. The discontinuity at 42 GeV represents the...","name":"Table 12"},{"@id":"https://doi.org/10.17182/hepdata.130818.v2/t13","@type":"Dataset","description":"95% CL upper limits (expected and observed) on the coupling parameter. The discontinuity at 42 GeV represents the border of...","name":"Table 13"},{"@id":"https://doi.org/10.17182/hepdata.130818.v2/t14","@type":"Dataset","description":"The parameterized mass resolution $\\sigma_{m_{\\mu\\mu}}$ as a function of $m_{Z'}$ using fully simulated $Z' \\rightarrow \\mu^+\\mu^-$ events.","name":"Table 14"},{"@id":"https://doi.org/10.17182/hepdata.130818.v2/t15","@type":"Dataset","description":"The transverse momentum $p_{T}$ distributions for each muon (ordered with $p_{T}$ from (a) to (d)). In addition to the major...","name":"Table 15"},{"@id":"https://doi.org/10.17182/hepdata.130818.v2/t16","@type":"Dataset","description":"The transverse momentum $p_{T}$ distributions for each muon (ordered with $p_{T}$ from (a) to (d)). In addition to the major...","name":"Table 16"},{"@id":"https://doi.org/10.17182/hepdata.130818.v2/t17","@type":"Dataset","description":"The transverse momentum $p_{T}$ distributions for each muon (ordered with $p_{T}$ from (a) to (d)). In addition to the major...","name":"Table 17"},{"@id":"https://doi.org/10.17182/hepdata.130818.v2/t18","@type":"Dataset","description":"The transverse momentum $p_{T}$ distributions for each muon (ordered with $p_{T}$ from (a) to (d)). In addition to the major...","name":"Table 18"},{"@id":"https://doi.org/10.17182/hepdata.130818.v2/t19","@type":"Dataset","description":"Kinematic distributions of the pre-selected $4\\mu$ events. The plots (a) to (d) are the $\\eta$ distributions of the 4 muons...","name":"Table 19"},{"@id":"https://doi.org/10.17182/hepdata.130818.v2/t20","@type":"Dataset","description":"Kinematic distributions of the pre-selected $4\\mu$ events. The plots (a) to (d) are the $\\eta$ distributions of the 4 muons...","name":"Table 20"},{"@id":"https://doi.org/10.17182/hepdata.130818.v2/t21","@type":"Dataset","description":"Kinematic distributions of the pre-selected $4\\mu$ events. The plots (a) to (d) are the $\\eta$ distributions of the 4 muons...","name":"Table 21"},{"@id":"https://doi.org/10.17182/hepdata.130818.v2/t22","@type":"Dataset","description":"Kinematic distributions of the pre-selected $4\\mu$ events. The plots (a) to (d) are the $\\eta$ distributions of the 4 muons...","name":"Table 22"},{"@id":"https://doi.org/10.17182/hepdata.130818.v2/t23","@type":"Dataset","description":"Kinematic distributions of the pre-selected $4\\mu$ events. Plots (a) to (d) are the angular separations, $\\Delta R$ of the two...","name":"Table 23"},{"@id":"https://doi.org/10.17182/hepdata.130818.v2/t24","@type":"Dataset","description":"Kinematic distributions of the pre-selected $4\\mu$ events. Plots (a) to (d) are the angular separations, $\\Delta R$ of the two...","name":"Table 24"},{"@id":"https://doi.org/10.17182/hepdata.130818.v2/t25","@type":"Dataset","description":"Kinematic distributions of the pre-selected $4\\mu$ events. Plots (a) to (d) are the angular separations, $\\Delta R$ of the two...","name":"Table 25"},{"@id":"https://doi.org/10.17182/hepdata.130818.v2/t26","@type":"Dataset","description":"Kinematic distributions of the pre-selected $4\\mu$ events. Plots (a) to (d) are the angular separations, $\\Delta R$ of the two...","name":"Table 26"},{"@id":"https://doi.org/10.17182/hepdata.130818.v2/t27","@type":"Dataset","description":"Data and MC comparison of the $Z \\to 4\\mu$ invariant mass using pre-selected 4$\\mu$ events. Figure (b) shows the distribution...","name":"Table 27"},{"@id":"https://doi.org/10.17182/hepdata.130818.v2/t28","@type":"Dataset","description":"Data and MC comparison of the $Z \\to 4\\mu$ invariant mass using pre-selected 4$\\mu$ events. Figure (b) shows the distribution...","name":"Table 28"},{"@id":"https://doi.org/10.17182/hepdata.130818.v2/t29","@type":"Dataset","description":"Data and MC comparison of the $Z \\to 4\\mu$ invariant mass using pre-selected 4$\\mu$ events. Figure (b) shows the distribution...","name":"Table 29"}],"identifier":[{"@type":"PropertyValue","propertyID":"HEPDataRecord","value":"https://www.hepdata.net/record/ins2625676?version=2"},{"@type":"PropertyValue","propertyID":"HEPDataRecordAlt","value":"https://www.hepdata.net/record/130818"}],"inLanguage":"en","name":"Search for a new Z' gauge boson in $4\\mu$ events with the ATLAS experiment","provider":{"@type":"Organization","name":"HEPData"},"publisher":{"@type":"Organization","name":"HEPData"},"url":"https://www.hepdata.net/record/ins2625676?version=2","version":2}