Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/115152
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Type: Journal article
Title: Search for charged Higgs bosons decaying via H±→τ±ν in fully hadronic final states using pp collision data at s√=8 TeV with the ATLAS detector
Other Titles: Search for charged Higgs bosons decaying via H+/--> tau +/- nu in fully hadronic final states using pp collision data at s root=8 TeV with the ATLAS detector
Author: Aad, G.
Abbott, B.
Abdallah, J.
Khalek, S.A.
Abdinov, O.
Aben, R.
Abi, B.
Abolins, M.
AbouZeid, O.
Abramowicz, H.
Abreu, H.
Abreu, R.
Abulaiti, Y.
Acharya, B.
Adamczyk, L.
Adams, D.
Adelman, J.
Adomeit, S.
Adye, T.
Agatonovic-Jovin, T.
et al.
Citation: Journal of High Energy Physics, 2015; (3):088-1-088-45
Publisher: Springer
Issue Date: 2015
ISSN: 1029-8479
Statement of
Responsibility: 
G. Aad, B. Abbott, J. Abdallah, S. Abdel Khalek ... Paul D. Jackson … Lawrence Lee-Jr … et al. (ATLAS Collaboration)
Abstract: The results of a search for charged Higgs bosons decaying to a τ lepton and a neutrino, H±→τ±ν, are presented. The analysis is based on 19.5 fb−1 of proton-proton collision data at s√=8 TeV collected by the ATLAS experiment at the Large Hadron Collider. Charged Higgs bosons are searched for in events consistent with top-quark pair production or in associated production with a top quark. The final state is characterised by the presence of a hadronic τ decay, missing transverse momentum, b-tagged jets, a hadronically decaying W boson, and the absence of any isolated electrons or muons with high transverse momenta. The data are consistent with the expected background from Standard Model processes. A statistical analysis leads to 95\% confidence-level upper limits on the product of branching ratios B(t→bH±)×B(H±→τ±ν), between 0.23% and 1.3% for charged Higgs boson masses in the range 80-160 GeV. It also leads to 95% confidence-level upper limits on the production cross section times branching ratio, σ(pp→tH±+X)×B(H±→τ±ν), between 0.76 pb and 4.5 fb, for charged Higgs boson masses ranging from 180 GeV to 1000 GeV. In the context of different scenarios of the Minimal Supersymmetric Standard Model, these results exclude nearly all values of tanβ above one for charged Higgs boson masses between 80 GeV and 160 GeV, and exclude a region of parameter space with high tanβ for H± masses between 200 GeV and 250 GeV.
Rights: © 2018 CERN for the benefit of the ATLAS Collaboration. Reproduction of this article or parts of it is allowed as specified in the CC-BY-3.0 license.
RMID: 0030047044
DOI: 10.1007/JHEP03(2015)088
Appears in Collections:Physics publications

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