Search for a Charged Higgs Boson Decaying to Charm and Bottom Quarks in Proton-Proton Collisions at √s = 8 TeV
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Sirunyan2018_Article_SearchForAChargedHiggsBosonDec.pdf
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Author(s)
CMS Collaboration
Abercrombie, Daniel Robert
Allen, Brandon Leigh
Azzolini, Virginia
Baty, Austin Alan
Bauer, Gerry P
Bi, Ran
Brandt, Stephanie Akemi
Busza, Wit
Cali, Ivan Amos
Date Issued
November 2018
Journal
Journal of High Energy Physics
Publisher
Springer Nature
Citation
Sirunyan, A. M. et al. “Search for a Charged Higgs Boson Decaying to Charm and Bottom Quarks in Proton-Proton Collisions at √s = 8 TeV.” Journal of High Energy Physics 2018, 11 (November 2018): 115 © 2018 The Author(s)
Version
Final published version
Abstract
A search for charged Higgs boson decaying to a charm and a bottom quark (H+→cb¯¯¯) is performed using 19.7 fb⁻¹ of pp collision data at √s = 8 TeV. The production mechanism investigated in this search is tt¯ pair production in which one top quark decays to a charged Higgs boson and a bottom quark and the other decays to a charged lepton, a neutrino, and a bottom quark. Charged Higgs boson decays to cb¯¯¯ are searched for, resulting in a final state containing at least four jets, a charged lepton (muon or electron), and missing transverse momentum. A kinematic fit is performed to identify the pair of jets least likely to be the bottom quarks originating from direct top quark decays and the invariant mass of this pair is used as the final observable in the search. No evidence for the presence of a charged Higgs boson is observed and upper limits at 95% confidence level of 0.8–0.5% are set on the branching fraction ℬ(t → H⁺b), assuming ℬ(H⁺ → cb¯¯¯) = 1.0 and ℬ(t → H⁺b) + ℬ(t → Wb) = 1.0, for the charged Higgs boson mass range 90–150 GeV. Keywords: Hadron-Hadron scattering (experiments); Higgs physics
MIT Department
Massachusetts Institute of Technology. Department of Nuclear Science and Engineering
Massachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology. Laboratory for Nuclear Science
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Creative Commons Attribution 4.0 International License
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DOI of Published Version
https://doi.org/10.1007/JHEP11(2018)115
