期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 6, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP06(2020)163
关键词
Supersymmetry Phenomenology
资金
- Australian Research Council [DP180102209]
- Department of Energy [DE-SC0009913]
- U.S. Department of Energy (DOE) [DE-SC0009913] Funding Source: U.S. Department of Energy (DOE)
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 -> f (f) over bar, 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 t(beta) for heavy m(A) that are not covered by the other direct searches.
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