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      Search for phenomena beyond the Standard Model in events with large b-jet multiplicity using the ATLAS detector at the LHC

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      Creators
      Aad, G.
      Aggarwal, A.
      Caron, S.
      Groot, N. de
      Fabiani, V.
      Filthaut, F.
      Gottardo, C.A.
      Igonkina, O.B.
      Ilic, N.
      Konig, A.C.
      Moskvitina, P.
      Nellist, C.
      Pedraza Diaz, L.
      Schouwenberg, J.F.P.
      Date of Archiving
      2021
      Archive
      HEPData
      Related links
      https://www.hepdata.net/record/ins1821239
      DOI
      https://doi.org/10.17182/hepdata.95683
      Related publications
      Search for phenomena beyond the Standard Model in events with large b-jet multiplicity using the ATLAS detector at the LHC  
      Publication type
      Dataset
      Access level
      Open access
      Please use this identifier to cite or link to this item: https://hdl.handle.net/2066/231015   https://hdl.handle.net/2066/231015
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      Organization
      High Energy Physics
      Experimental High Energy Physics
      Audience(s)
      Physics
      Key words
      High Energy Physics - Experiment (hep-ex)
      Abstract
      A search is presented for new phenomena in events characterised by high jet multiplicity, no leptons (electrons or muons), and four or more jets originating from the fragmentation of b-quarks (b-jets). The search uses 139 fb−1 of √s = 13 TeV proton-proton collision data collected by the ATLAS experiment at the Large Hadron Collider during Run 2. The dominant Standard Model background originates from multijet production and is estimated using a data-driven technique based on an extrapolation from events with low b-jet multiplicity to the high b-jet multiplicities used in the search. No significant excess over the Standard Model expectation is observed and 95% confidence-level limits that constrain simplified models of R-parity-violating supersymmetry are determined. The exclusion limits reach 950 GeV in top-squark mass in the models considered.
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