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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

Aaboud, M; Aad, G; Abbott, B; Abdallah, J; Abdinov, O; Abeloos, B; Aben, R; ... Antonov, A; + view all (2016) 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. The European Physical Journal C , 76 , Article 585. 10.1140/epjc/s10052-016-4400-6. Green open access

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Abstract

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 m_{A} – tan β space exclude at 95 % confidence level (CL) tan β > 7.6 for m_{A} = 200 GeV in the m^{mod+}/{h} 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.

Type: Article
Title: 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
Open access status: An open access version is available from UCL Discovery
DOI: 10.1140/epjc/s10052-016-4400-6
Publisher version: http://doi.org/10.1140/epjc/s10052-016-4400-6
Language: English
Additional information: © The Author(s) 2016. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/).
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy
URI: https://discovery.ucl.ac.uk/id/eprint/1509174
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