Two-Higgs-doublet models in light of current experiments: a brief review

TL;DR

This paper reviews CP-conserving two-Higgs-doublet models (2HDMs), analyzing their theoretical properties and experimental constraints from LHC, dark matter searches, and muon g-2 measurements to assess their viability.

Contribution

It provides a comprehensive overview of 2HDMs, deriving mass spectra and couplings, and evaluating their status against current experimental data.

Findings

Constraints from LHC searches limit 2HDM parameter space

Electroweak precision measurements restrict model couplings

Current dark matter and muon g-2 data impact 2HDM viability

Abstract

We briefly survey several typical CP-conserving two-Higgs-doublet models (2HDMs) in light of current experiments. First we derive the masses and couplings of the mass eigenstates from the Lagrangians. Then we analyze the constraints from theory and oblique electroweak parameters. Finally, we delineate the status of 2HDM in light of the LHC searches, the dark matter detections and the muon $g-2$ measurement.