Search for charged Higgs bosons decaying via H± → τ±ντ in the τ+jets and τ+lepton final states with 36 fb−1 of pp collision data recorded at √s=13 TeV with the ATLAS experiment

doi:10.1007/JHEP09(2018)139

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Search for charged Higgs bosons decaying via H± → τ±ντ in the τ+jets and τ+lepton final states with 36 fb−1 of pp collision data recorded at √s=13 TeV with the ATLAS experiment	1 MB	Adobe Acrobat PDF	View Details	Download
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Title: Search for charged Higgs bosons decaying via H± → τ±ντ in the τ+jets and τ+lepton final states with 36 fb−1 of pp collision data recorded at √s=13 TeV with the ATLAS experiment
Creator: Aad, G.
Creator: Abbott, B.
Creator: Chelkov, G. A.
Creator: Khodinov, A.
Creator: Parida, B.
Creator: Tsybychev, D.
Creator: Vaniachine, A.
Creator: Aaboud, M.
Subject: ATLAS, детектор
Большой адронный коллайдер
протон-протонные столкновения
Хиггса бозон
Date: 2018
DOI: 10.1007/JHEP09(2018)139
Description: Charged Higgs bosons produced either in top-quark decays or in association with a top-quark, subsequently decaying via H± → τ±ντ, are searched for in 36.1 fb−1 of proton-proton collision data at s√=13s=13 TeV recorded with the ATLAS detector. Depending on whether the top-quark produced together with H± decays hadronically or leptonically, the search targets τ+jets and τ+lepton final states, in both cases with a hadronically decaying τ-lepton. No evidence of a charged Higgs boson is found. For the mass range of mH±mH± = 90–2000 GeV, upper limits at the 95% confidence level are set on the production cross-section of the charged Higgs boson times the branching fraction B(H±→τ±ντ)B(H±→τ±ντ) in the range 4.2–0.0025 pb. In the mass range 90–160 GeV, assuming the Standard Model cross-section for tt¯tt¯ production, this corresponds to upper limits between 0.25% and 0.031% for the branching fraction B(t→bH±)×B(H±→τ±ντ)B(t→bH±)×B(H±→τ±ντ).

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Identifier: vtls:000658564
http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000658564
Type: статьи в журналах
Source: Journal of high energy physics. 2018. № 9. P. 139 (1-47)
Language: eng

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Физический факультет Search for charged Higgs bosons decaying via H± → τ±ντ in the τ+jets and τ+lepton final states with 36 fb−1 of pp collision data recorded at √s=13 TeV with the ATLAS experiment