Search for charged Higgs bosons produced in association with a top quark and decaying via <i>H</i><SUP>±</SUP> → τν using pp collision data recorded at √<i>s</i>=13 TeV by the ATLAS detector



Aaboud, M, Aad, G, Abbott, B, Abdallah, J, Abdinov, O, Abeloos, B, Aben, R, AbouZeid, OS, Abraham, NL, Abramowicz, H
et al (show 2841 more authors) (2016) Search for charged Higgs bosons produced in association with a top quark and decaying via <i>H</i><SUP>±</SUP> → τν using pp collision data recorded at √<i>s</i>=13 TeV by the ATLAS detector. PHYSICS LETTERS B, 759. pp. 555-574.

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Abstract

Charged Higgs bosons produced in association with a single top quark and decaying via $H^{\pm} \rightarrow \tau\nu$ are searched for with the ATLAS experiment at the LHC, using proton-proton collision data at $\sqrt{s} = 13$ TeV corresponding to an integrated luminosity of 3.2 $\mathrm{fb}^{-1}$. The final state is characterised by the presence of a hadronic $\tau$ decay and missing transverse momentum, as well as a hadronically decaying top quark, resulting in the absence of high-transverse-momentum electrons and muons. The data are found to be consistent with the expected background from Standard Model processes. A statistical analysis leads to $95\%$ confidence-level upper limits on the production cross section times branching fraction, $\sigma(pp \rightarrow [b]t H^{\pm}) \times \mbox{BR}(H^{\pm} \rightarrow \tau\nu)$, between 1.9 pb and 15 fb, for charged Higgs boson masses ranging from 200 to 2000 GeV. The exclusion limits for this search surpass those obtained with the proton-proton collision data recorded at $\sqrt{s} = 8$ TeV.

Item Type: Article
Additional Information: 37 pages in total, list of authors starting page 21, 7 figures, 2 tables, published in Physics Letter B, All figures including auxiliary figures are available at http://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HIGG-2015-11/
Uncontrolled Keywords: hep-ex, hep-ex
Depositing User: Symplectic Admin
Date Deposited: 04 Nov 2016 11:17
Last Modified: 12 Oct 2023 08:51
DOI: 10.1016/j.physletb.2016.06.017
Related URLs:
URI: https://livrepository.liverpool.ac.uk/id/eprint/3003903