Search for charged Higgs bosons decaying into top and bottom quarks at √s=13 TeV with the ATLAS detector

doi:10.1007/JHEP11(2018)085

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DOI Доступ к ресурсу на сайте издателя				10.1007/JHEP11(2018)085

Title: Search for charged Higgs bosons decaying into top and bottom quarks at √s=13 TeV with the ATLAS detector
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/JHEP11(2018)085
Description: A search for charged Higgs bosons heavier than the top quark and decaying via H± → tb is presented. The data analysed corresponds to 36.1 fb−1 of pp collisions at s√=13 TeV and was recorded with the ATLAS detector at the LHC in 2015 and 2016. The production of a charged Higgs boson in association with a top quark and a bottom quark, pp → tbH±, is explored in the mass range from mH± = 200 to 2000 GeV using multi-jet final states with one or two electrons or muons. Events are categorised according to the multiplicity of jets and how likely these are to have originated from hadronisation of a bottom quark. Multivariate techniques are used to discriminate between signal and background events. No significant excess above the background-only hypothesis is observed and exclusion limits are derived for the production cross-section times branching ratio of a charged Higgs boson as a function of its mass, which range from 2.9 pb at mH± = 200 GeV to 0.070 pb at mH± = 2000 GeV. The results are interpreted in two benchmark scenarios of the Minimal Supersymmetric Standard Model.

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Identifier: vtls:000658563
http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000658563
Type: статьи в журналах
Source: Journal of high energy physics. 2018. № 11. P. 085 (1-54)
Language: eng

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Физический факультет Search for charged Higgs bosons decaying into top and bottom quarks at √s=13 TeV with the ATLAS detector