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      Search for long-lived neutral particles in pp collisions at √s = 13 TeV TeV that decay into displaced hadronic jets in the ATLAS calorimeter

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      Creators
      Aaboud, M.
      Alderweireldt, S.
      Caron, S.
      Colasurdo, L.
      Groot, N. de
      Fabiani, V.
      Filthaut, F.
      Igonkina, O.B.
      Ilic, N.
      Konig, A.C.
      Nektarijevic, S.
      Pedraza Diaz, L.
      Schouwenberg, J.F.P.
      Date of Archiving
      2019
      Archive
      HEPData
      Related links
      https://www.hepdata.net/record/ins1719200
      DOI
      https://doi.org/10.17182/hepdata.86552
      Related publications
      Search for long-lived neutral particles in pp collisions at √s = 13 TeV TeV that decay into displaced hadronic jets in the ATLAS calorimeter  
      Publication type
      Dataset
      Access level
      Open access
      Please use this identifier to cite or link to this item: https://hdl.handle.net/2066/209327   https://hdl.handle.net/2066/209327
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      Organization
      High Energy Physics
      Experimental High Energy Physics
      Audience(s)
      Physics
      Key words
      parton distributions; higgs; Physics
      Abstract
      This paper describes a search for pairs of neutral, long-lived particles decaying in the ATLAS calorimeter. Long-lived particles occur in many extensions to the Standard Model and may elude searches for new promptly decaying particles. The analysis considers neutral, long-lived scalars with masses between 5 and 400 GeV, produced from decays of heavy bosons with masses between 125 and 1000 GeV, where the long-lived scalars decay into Standard Model fermions. The analysis uses either 10.8 fb-1 of data (depending on the trigger) recorded in 2016 at the LHC with the ATLAS detector in proton-proton collisions at a centre-of-mass energy of 13 TeV. No significant excess is observed, and limits are reported on the production cross section times branching ratio as a function of the proper decay length of the long-lived particles.
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