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23 papers · 2 filters
Vacuum structure of the symmetric Georgi-Machacek model
Duarte Azevedo, Pedro M. Ferreira, Heather E. Logan +1
We discuss the vacuum structure of a version of the Georgi-Machecek model with an exact symmetry acting on the triplet fields. Besides the usual custodial-symmetric…
An asymptotically safe SU(5) GUT
M. Fabbrichesi, C. M. Nieto, A. Tonero +1
We minimally extend the Standard Model field content by adding new vector-like fermions at the TeV scale to allow gauge coupling unification at a realistic scale. We embed the mode…
CP violation from charged Higgs bosons in the three Higgs doublet model
Heather E. Logan, Stefano Moretti, Diana Rojas-Ciofalo +1
We demonstrate a new type of cancellation of contributions to the electron and neutron electric dipole moments (EDMs) that occurs in three Higgs doublet models (3HDMs) when CP viol…
Intimate Relationship Between Sterile Neutrino Dark Matter and
Kevin J. Kelly, Manibrata Sen, Yue Zhang
The self-interacting neutrino hypothesis is well motivated for addressing the tension between the origin of sterile neutrino dark matter and indirect detection constraints. It can…
The future probe of the light Higgs boson pair production
Ning Chen, Tong Li, Wei Su +1
In this work we study the light Higgs scenario in the framework of two Higgs doublet model (2HDM). In this case the heavier CP-even Higgs boson in 2HDM is the SM-like Higgs wit…
Characterizing Dark Matter Signals with Missing Momentum Experiments
Nikita Blinov, Gordan Krnjaic, Douglas Tuckler
Fixed target missing-momentum experiments such as LDMX and M are powerful probes of light dark matter and other light, weakly coupled particles beyond the Standard Model (SM).…