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Search for charged Higgs bosons decaying via H-+/- -> tau(+/-)nu(tau) inthe tau plus jets and tau plus lepton final states with 36 fb(-1) of ppcollision data recorded at root s=13 TeV with the ATLAS experiment
Univ Mohamed Premier, Oujda, Morocco.
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.ORCID iD: 0000-0001-6945-1916
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.ORCID iD: 0000-0003-3867-0336
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.ORCID iD: 0000-0002-8015-7512
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Number of Authors: 29232018 (English)In: Journal of High Energy Physics (JHEP), ISSN 1126-6708, E-ISSN 1029-8479, no 9, article id 139Article in journal (Refereed) Published
Abstract [en]

Charged Higgs bosons produced either in top-quark decays or in association with a top-quark, subsequently decaying via H-+/-! -> tau(+/-)nu(tau), are searched for in 36.1 fb(-1) of proton-proton collision data at root s = 13TeV recorded with the ATLAS detector. Depending on whether the top-quark produced together with H-+/- decays hadronically or leptonically, the search targets tau+jets and tau+lepton fi nal states, in both cases with a hadronically decaying tau-lepton. No evidence of a charged Higgs boson is found. For the mass range of m(H)+/- = 90-2000 GeV, upper limits at the 95% con fi dence level are set on the production cross-section of the charged Higgs boson times the branching fraction B (H-+/-->tau(+/-)nu(tau)) in the range 4.2-0.0025 pb. In the mass range 90{160 GeV, assuming the Standard Model cross-section for tit production, this corresponds to upper limits between 0.25% and 0.031% for the branching fraction B (t -> bH(+/-)) x B (H-+/- -> tau(+/-)nu(tau)).

Place, publisher, year, edition, pages
Springer, 2018. no 9, article id 139
National Category
Subatomic Physics
Identifiers
URN: urn:nbn:se:kth:diva-236064DOI: 10.1007/JHEP09(2018)139Scopus ID: 2-s2.0-85053892814OAI: oai:DiVA.org:kth-236064DiVA, id: diva2:1255881
Funder
Wallenberg Foundations
Note

QC 20181015

Available from: 2018-10-15 Created: 2018-10-15 Last updated: 2018-10-30Bibliographically approved

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Kastanas, Konstatinos A.Lund-Jensen, BengtOhm, ChristianRipellino, GiuliaSidebo, P. EdvinStrandberg, Jonas

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