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Annual Review of Nuclear and Particle Science

Volume 70, 2020

Extended Scalar Sectors

Abstract

Extended scalar sectors appear in various extensions of the Standard Model of particle physics, such as supersymmetric models. They are also generic extensions of the Standard Model and can address a number of its shortcomings. Direct searches for additional Higgs bosons and measurements of the 125-GeV Higgs boson, both of which provide insights into the different possible sectors, are carried out at the LHC. This review gives an overview of searches for the additional Higgs bosons and their implications for different models. The discussed analyses comprise searches for neutral and charged Higgs bosons that decay in various final states. In addition, the review summarizes the constraints from precision measurements, including in particular the observed couplings of the 125-GeV Higgs boson. While several models naturally incorporate a Higgs boson with couplings that are similar to the ones in the Standard Model, the measurements of the 125-GeV Higgs boson provide constraints on all considered extensions.

Keyword(s): charged Higgs bosons, extended scalar sectors, heavy scalars, Higgs boson, Higgs couplings, LHC, minimal supersymmetric Standard Model, MSSM, two Higgs doublet models
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2020-10-19
2024-05-08
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Extended Scalar Sectors
Annual Review of Nuclear and Particle Science 70, 197 (2020); https://doi.org/10.1146/annurev-nucl-032620-043846
/content/journals/10.1146/annurev-nucl-032620-043846
/content/journals/10.1146/annurev-nucl-032620-043846
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