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Search for a charged Higgs boson decaying into top and bottom quarks in events with electrons or muons in proton-proton collisions at $\sqrt{s} =$ 13 TeV

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arxiv 1908.09206 v2 pith:F4KWXNKL submitted 2019-08-24 hep-ex

CMS Collaboration This is my paper · ORCID
classification hep-ex
keywords chargedbosonhiggspairquarksearchbottomdata
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abstract

A search is presented for a charged Higgs boson heavier than the top quark, produced in association with a top quark, or with a top and a bottom quark, and decaying into a top-bottom quark-antiquark pair. The search is performed using proton-proton collision data collected by the CMS experiment at the LHC at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 35.9 fb$^{-1}$. Events are selected by the presence of a single isolated charged lepton (electron or muon) or an opposite-sign dilepton (electron or muon) pair, categorized according to the jet multiplicity and the number of jets identified as originating from b quarks. Multivariate analysis techniques are used to enhance the discrimination between signal and background in each category. The data are compatible with the standard model, and 95% confidence level upper limits of 9.6-0.01 pb are set on the charged Higgs boson production cross section times branching fraction to a top-bottom quark-antiquark pair, for charged Higgs boson mass hypotheses ranging from 200 GeV to 3 TeV. The upper limits are interpreted in different minimal supersymmetric extensions of the standard model.

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Cited by 2 Pith papers

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  1. Searching for charged Higgs bosons via $e^+ e^- \to H^\pm W^\mp S$ at the ILC

    hep-ph 2025-06 conditional novelty 6.0 of 10

    A detector-level Monte Carlo study shows that e+e- -> H± W∓ S in the type-X 2HDM could be discovered at the ILC with 500 GeV and 500 fb^-1.

  2. Charged Higgs Search in 2HDM

    hep-ph 2024-12 accept novelty 5.0 of 10

    Updated LHC and LEP constraints on charged Higgses show that H+ to A W and H+ to H W decay channels are complementary to fermionic channels and extend the search reach in the Type-L 2HDM.

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