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Search for charged Higgs bosons produced in association with a top quark and decaying via H ±  → τν using pp collision data recorded at √ s  = 13 TeV by the ATLAS detector
Journal article   Open access

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

M Aaboud, Elin Bergeaas Kuutmann, Richard Brenner, Tord Ekelöf, Mattias Ellert, Arnaud Ferrari, P. O. Joakim Gardin, Alexander Madsen, Henrik Öhman, Daniel Pelikan, …
Physics Letters B, Vol.759(C), pp.555-574
2016
DOI: 10.1016/j.physletb.2016.06.017
url
https://doi.org/10.1016/j.physletb.2016.06.017View
Published (Version of record) Open Access

Abstract

Charged Higgs bosons produced in association with a single top quark and decaying via H ± → τ ν are searched for with the \{ATLAS\} experiment at the LHC, using proton–proton collision data at s = 13   TeV corresponding to an integrated luminosity of 3.2   fb − 1 . The final state is characterised by the presence of a hadronic τ 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, σ ( p p → [ b ] t H ± ) × \{BR\} ( H ± → τ ν ) , 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 s = 8   TeV. 
Natural Sciences Physical Sciences 2hdm atlas charged higgs Fysik Fysik med inriktning mot elementarpartikelfysik Higgs mssm Naturvetenskap Physics with specialization in Elementary Particle Physics Subatomic Physics Subatomär fysik tau

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