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Search for a charged Higgs boson in pp collisions at sqrt(s) = 8 TeV

BELFORTE S.
•
CANDELISE, VIERI
•
CASARSA M.
altro
ZANETTI A.
2015
  • journal article

Periodico
JOURNAL OF HIGH ENERGY PHYSICS
Abstract
A search for a charged Higgs boson is performed with a data sample corresponding to an integrated luminosity of 19.7 ± 0.5 fb−1 collected with the CMS detector in proton-proton collisions at s√=8,TeV. The charged Higgs boson is searched for in top quark decays for m H± < m t − m b, and in the direct production pp → t(b)H± for m H± > m t − m b. The H± → τ ± ν τ and H± → tb decay modes in the final states τ h+jets, μτ h, l+jets, and ll’ (l =e, μ) are considered in the search. No signal is observed and 95% confidence level upper limits are set on the charged Higgs boson production. A model-independent upper limit on the product branching fraction B(t→H±b)B(H±→τ±ντ)=1.2−0.15% is obtained in the mass range m H± = 80–160 GeV, while the upper limit on the cross section times branching fraction σ(pp→t(b)H±)B(H±→ τ±ντ)=0.38−0.025 pb is set in the mass range m H+ = 180–600 GeV. Here, σ(pp → t(b)H±) stands for the cross section sum σ(pp→t ̄(b)H+)+σ(pp→t(b ̄ ̄ ̄)H−). Assuming B(H±→tb)=1, an upper limit on σ(pp → t(b)H±) of 2.0–0.13 pb is set for m H± = 180–600 GeV. The combination of all considered decay modes and final states is used to set exclusion limits in the m H±−tan β parameter space in different MSSM benchmark scenarios.
DOI
10.1007/JHEP11(2015)018
WOS
WOS:000365006400001
Archivio
http://hdl.handle.net/11368/2855515
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84947281259
Diritti
open access
FVG url
https://arts.units.it/bitstream/11368/2855515/2/Search for a charged Higgs boson in pp collisions at sqrt(s) = 8 TeV.pdf
Soggetti
  • PARTICLE PHYSICS

  • LARGE HADRON COLLIDER...

  • CMS

Scopus© citazioni
108
Data di acquisizione
Jun 14, 2022
Vedi dettagli
Web of Science© citazioni
94
Data di acquisizione
Mar 22, 2024
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