{"@context":"http://schema.org","@id":"https://doi.org/10.17182/hepdata.154176.v1","@reverse":{"isBasedOn":[{"@type":"ScholarlyArticle","identifier":{"@type":"PropertyValue","propertyID":"URL","value":"https://inspirehep.net/literature/2808022"}},{"@id":"https://doi.org/10.1140/epjc/s10052-024-13715-4","@type":"JournalArticle"}]},"@type":"Dataset","additionalType":"Collection","author":{"@type":"Organization","name":"ATLAS Collaboration"},"creator":{"@type":"Organization","name":"ATLAS Collaboration"},"datePublished":"2024","description":"A search for a light charged Higgs boson produced in decays of the top quark, $t \\to H^\\pm b$ with $H^\\pm \\to cs$, is presented.This search targets the production of top-quark pairs $t\\bar{t} \\to Wb H^\\pm b$, with $W \\to \\ell\\nu$ ($\\ell = e, \\mu$),resulting in a lepton-plus-jets final state characterised by an isolated electron or muon and at least four jets.The search exploits $b$-quark and $c$-quark identification techniques as well as multivariate methods to suppress the dominant $t\\bar{t}$ background.The data analysed correspond to $140\\,\\text{fb}^{-1}$ of $pp$ collisions at $\\sqrt{s} = 13\\,\\text{TeV}$ recorded with the ATLAS detector at the LHC between 2015 and 2018.Observed (expected) $95\\,$% confidence-level upper limits on the branching fraction $\\mathscr{B}(t\\to H^\\pm b)$, assuming $\\mathscr{B}(t\\to Wb) + \\mathscr{B}(t \\to H^\\pm (\\to cs)b)=1.0$,are set between $0.066\\,$% ($0.077\\,$%) and $3.6\\,$% ($2.3\\,$%) for a charged Higgs boson with a mass between 60 and $168\\,$GeV.","hasPart":[{"@id":"https://doi.org/10.17182/hepdata.154176.v1/t1","@type":"Dataset","description":"Distributions of the dijet mass. The processes $t\\bar{t}$(allHad), $tW$, Single top, $t\\bar{t}H$, Other top, $W$ + jets, $Z$ + jets,...","name":"Dijet mass"},{"@id":"https://doi.org/10.17182/hepdata.154176.v1/t2","@type":"Dataset","description":"Data and background yields after the background-only fit of the BDT-score distribution for the $130\\,$GeV signal mass BDT training. For...","name":"Yields"},{"@id":"https://doi.org/10.17182/hepdata.154176.v1/t3","@type":"Dataset","description":"Observed (solid line) and expected (dotted line) upper limits on $\\mathscr{B}_{H^{\\pm}}$ for charged Higgs boson with masses between $60\\,$GeV and...","name":"Limits"},{"@id":"https://doi.org/10.17182/hepdata.154176.v1/t4","@type":"Dataset","description":"Signal selection efficiency times acceptance for charged Higgs boson with masses between $60\\,$GeV to $168\\,$GeV. The efficiency times acceptance drops...","name":"Acceptance times Efficiency"},{"@id":"https://doi.org/10.17182/hepdata.154176.v1/t5","@type":"Dataset","description":"Best fit values of $\\mu_{t\\bar{t}}$ and $f_{\\mathrm{HF}}$ parameters at charged Higgs masses between $60\\,$GeV and $168\\,$GeV.","name":"Fit Parameters"}],"identifier":[{"@type":"PropertyValue","propertyID":"HEPDataRecord","value":"https://www.hepdata.net/record/ins2808022?version=1"},{"@type":"PropertyValue","propertyID":"HEPDataRecordAlt","value":"https://www.hepdata.net/record/154176"}],"inLanguage":"en","name":"Search for a light charged Higgs boson in $t \\to H^\\pm b$ decays, with $H^\\pm \\to cs$, in $pp$ collisions at $\\sqrt{s}=13$ TeV with the ATLAS detector","provider":{"@type":"Organization","name":"HEPData"},"publisher":{"@type":"Organization","name":"HEPData"},"url":"https://www.hepdata.net/record/ins2808022?version=1","version":1}