Building and testing models with extended Higgs sectors

IP Ivanov - Progress in Particle and Nuclear Physics, 2017 - Elsevier
Abstract Models with non-minimal Higgs sectors represent a mainstream direction in
theoretical exploration of physics opportunities beyond the Standard Model. Extended scalar …

Renormalizable model for the Galactic Center gamma-ray excess from dark matter annihilation

S Ipek, D McKeen, AE Nelson - Physical Review D, 2014 - APS
Evidence for an excess of gamma rays with O (GeV) energy coming from the center of our
galaxy has been steadily accumulating over the past several years. Recent studies of the …

A second Higgs doublet in the early universe: baryogenesis and gravitational waves

GC Dorsch, SJ Huber, T Konstandin… - Journal of Cosmology …, 2017 - iopscience.iop.org
We show that simple Two Higgs Doublet models might still provide a viable explanation for
the matter-antimatter asymmetry of the Universe via electroweak baryogenesis, even after …

On the validity of perturbative studies of the electroweak phase transition in the Two Higgs Doublet model

K Kainulainen, V Keus, L Niemi… - Journal of High Energy …, 2019 - Springer
A bstract Making use of a dimensionally-reduced effective theory at high temperature, we
perform a nonperturbative study of the electroweak phase transition in the Two Higgs …

New benchmark scenarios of electroweak baryogenesis in aligned two Higgs double models

K Enomoto, S Kanemura, Y Mura - Journal of High Energy Physics, 2022 - Springer
A bstract We discuss electroweak baryogenesis in aligned two Higgs doublet models. It is
known that in this model the severe constraint from the experimental results for the electron …

-violating phenomenology of flavor conserving two Higgs doublet models

S Inoue, MJ Ramsey-Musolf, Y Zhang - Physical Review D, 2014 - APS
We analyze the constraints on CP-violating, flavor conserving two Higgs doublet models
implied by measurements of Higgs boson properties at the Large Hadron Collider (LHC) …

Electron EDM and muon anomalous magnetic moment in two-Higgs-doublet models

EJ Chun, J Kim, T Mondal - Journal of High Energy Physics, 2019 - Springer
A bstract The CP violating two-Higgs doublet model of type-X may enhance significantly the
electric and magnetic moment of leptons through two-loop Barr-Zee diagrams. We analyze …

[HTML][HTML] Exploring the CP-violating NMSSM: EDM Constraints and Phenomenology

SF King, M Mühlleitner, R Nevzorov, K Walz - Nuclear Physics B, 2015 - Elsevier
Abstract The Next-to-Minimal Supersymmetric extension of the Standard Model (NMSSM)
features extra new sources for CP violation. In contrast to the MSSM CP violation can …

Electroweak Baryogenesis from Dark-Sector Violation

M Carena, M Quirós, Y Zhang - Physical Review Letters, 2019 - APS
We present a novel mechanism of electroweak baryogenesis where CP violation occurs in a
dark sector, comprised of standard model gauge singlets, thereby evading the strong electric …

Complementarity of LHC and EDMs for exploring Higgs CP violation

CY Chen, S Dawson, Y Zhang - Journal of High Energy Physics, 2015 - Springer
A bstract We analyze the constraints on a CP-violating, flavor conserving, two Higgs doublet
model from the measurements of Higgs properties and from the search for heavy Higgs …