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

L Wang, JM Yang, Y Zhang - Communications in Theoretical …, 2022 - iopscience.iop.org
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 …

Cornering the two Higgs doublet model type II

O Atkinson, M Black, A Lenz, A Rusov… - Journal of High Energy …, 2022 - Springer
A bstract We perform a comprehensive study of the allowed parameter space of the Two
Higgs Doublet Model of Type II (2HDM-II). Using the theoretical framework flavio we …

Fermion mass hierarchies from vectorlike families with an extended 2HDM and a possible explanation for the electron and muon anomalous magnetic moments

AEC Hernández, SF King, H Lee - Physical Review D, 2021 - APS
We study an extended 2 Higgs doublet model (2HDM) in which the Standard Model (SM)
Yukawa interactions are forbidden due to a global U (1)′ symmetry, but may arise via …

[HTML][HTML] Triple Higgs couplings in the 2HDM: the complete picture

F Arco, S Heinemeyer, MJ Herrero - The European Physical Journal C, 2022 - Springer
The measurement of the triple Higgs coupling is one of the main tasks of the (HL-) LHC and
future lepton colliders. Similarly, triple Higgs couplings involving BSM Higgs bosons are of …

Phenomenology of the simplest linear seesaw mechanism

A Batra, P Bharadwaj, S Mandal, R Srivastava… - Journal of High Energy …, 2023 - Springer
A bstract The linear seesaw mechanism provides a simple way to generate neutrino
masses. In addition to Standard Model particles, it includes quasi-Dirac leptons as neutrino …

Investigation of the concurrent effects of ALP-photon and ALP-electron couplings in Collider and Beam Dump Searches

J Liu, Y Luo, M Song - Journal of High Energy Physics, 2023 - Springer
A bstract Axion-like particles (ALPs) have been studied in numerous experiments to search
for their interactions, but most studies have focused on deriving bounds for the single …

[PDF][PDF] Exploring sizable triple Higgs couplings in the 2HDM

F Arco, S Heinemeyer, MJ Herrero - The European Physical Journal C, 2020 - Springer
An important task at future colliders is the measurement of the triple Higgs coupling.
Depending on its size relative to the Standard Model (SM) value, certain collider options …

First shot of the smoking gun: probing the electroweak phase transition in the 2HDM with novel searches for A → ZH in and final states

T Biekötter, S Heinemeyer, JM No… - Journal of High Energy …, 2024 - Springer
A bstract Recently the ATLAS collaboration has reported the first results of searches for
heavy scalar resonances decaying into a Z boson and a lighter new scalar resonance …

Self-consistent Dark Matter Simplified Models with an s-channel scalar mediator

NF Bell, G Busoni, IW Sanderson - Journal of Cosmology and …, 2017 - iopscience.iop.org
Abstract We examine Simplified Models in which fermionic DM interacts with Standard
Model (SM) fermions via the exchange of an s-channel scalar mediator. The single-mediator …

Interplay of New Physics effects in (g− 2) ℓ and h→ ℓ+ ℓ−—lessons from SMEFT

S Fajfer, JF Kamenik, M Tammaro - Journal of High Energy Physics, 2021 - Springer
A bstract We explore the interplay of New Physics (NP) effects in (g− 2) ℓ and h→ ℓ+ ℓ−
within the Standard Model Effective Field Theory (SMEFT) framework, including one-loop …