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Search for minimal supersymmetric standard model Higgs Bosons H / A and for a Z′ boson in the ττ final state produced in pp collisions at √s=13 TeV with the ATLAS detector

Research output: Contribution to journalJournal article

  • ATLAS Collaboration
Article number585
<mark>Journal publication date</mark>27/10/2016
<mark>Journal</mark>European Physical Journal C: Particles and Fields
Issue number11
Number of pages30
<mark>Original language</mark>English


A search for neutral Higgs bosons of the minimal supersymmetric standard model (MSSM) and for a heavneutral Z′ boson is performed using a data sample corresponding to an integrated luminosity of 3.2 fb−1 from proton–proton collisions at √s=13 TeV recorded by the ATLAS detector at the LHC. The heavy resonance is assumed to decay to a τ+τ− pair with at least one τ lepton decaying to final states with hadrons and a neutrino. The search is performed in the mass range of 0.2–1.2 TeV for the MSSM neutral Higgs bosons and 0.5–2.5 TeV for the heavy neutral Z′ boson. The data are in good agreement with the background predicted by the Standard Model. The results are interpreted in MSSM and Z′ benchmark scenarios. The most stringent constraints on the MSSM mA–tan β space exclude at 95 % confidence level (CL) tanβ>7.6 for mA=200 GeV in the mhmod+ MSSM scenario. For the Sequential Standard Model, a Z′SSM mass up to 1.90 TeV is excluded at 95 % CL and masses up to 1.82–2.17 TeV are excluded for a Z′SFM of the strong flavour model.