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Type: Journal article
Title: 2HDM neutral scalars under the LHC
Author: Kling, F.
Su, S.
Su, W.
Citation: The Journal of High Energy Physics, 2020; 2020(6):1-23
Publisher: Springer
Issue Date: 2020
ISSN: 1126-6708
Statement of
Felix Kling, Shufang Su and Wei Su
Abstract: Two Higgs Doublet Models (2HDM) provide a simple framework for new physics models with an extended Higgs sector. The current LHC results, including both direct searches for additional non-Standard Model (SM) Higgs bosons, as well as precision measurements of the SM-like Higgs couplings, already provide strong constraints on the 2HDM parameter spaces. In this paper, we examine those constraints for the neutral scalars in the Type-I and Type-II 2HDM. In addition to the direct search channels with SM final states: H/A → ff¯¯¯, VV, Vh, hh, we study in particular the exotic decay channels of H/A → AZ/HZ once there is a mass hierarchy between the non-SM Higgses. We found that H/A → AZ/H Z channel has unique sensitivity to the alignment limit region which remains unconstrained by conventional searches and Higgs precision measurements. This mode also extends the reach at intermediate tβ for heavy mA that are not covered by the other direct searches.
Keywords: Supersymmetry phenomenology
Rights: © The Authors. This article is published under an open access license. Please check the 'Copyright Information' section for details of this license and what re-use is permitted. If your intended use exceeds what is permitted by the license or if you are unable to locate the licence and re-use information, please contact the Rights and Permissions team.
DOI: 10.1007/JHEP06(2020)163
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