Phenomenology of lepton masses and mixing with discrete flavor symmetries
The observed pattern of fermion masses and mixing is an outstanding puzzle in particle
physics, generally known as the flavor problem. Over the years, guided by precision neutrino …
physics, generally known as the flavor problem. Over the years, guided by precision neutrino …
Heavy vector-like quarks decaying to exotic scalars: a case study with triplets
A Banerjee, V Ellajosyula, L Panizzi - Journal of High Energy Physics, 2024 - Springer
A bstract We investigate the pair production of a vector-like quark triplet with hypercharge
5/3 decaying into top quark and a complex scalar triplet with hypercharge 1 at the LHC. This …
5/3 decaying into top quark and a complex scalar triplet with hypercharge 1 at the LHC. This …
[HTML][HTML] Universal inverse seesaw mechanism as a source of the SM fermion mass hierarchy
AE Hernández, DT Huong, I Schmidt - The European Physical Journal C, 2022 - Springer
We build a renormalizable theory where the inverse seesaw mechanism explains the
pattern of SM fermion masses. To the best of our knowledge, our model corresponds to the …
pattern of SM fermion masses. To the best of our knowledge, our model corresponds to the …
The two scales of new physics in Higgs couplings
A bstract Higgs coupling deviations from Standard Model predictions contain information
about two scales of Nature: that of new physics responsible for the deviation, and the scale …
about two scales of Nature: that of new physics responsible for the deviation, and the scale …
Discrete symmetries and efficient counting of operators
S Calò, C Marinissen, R Rahn - Journal of High Energy Physics, 2023 - Springer
A bstract We present DECO (“Discrete and Efficient Counting of Operators”), an
implementation of the Hilbert series to enumerate subleading operator bases for SMEFT-like …
implementation of the Hilbert series to enumerate subleading operator bases for SMEFT-like …
[HTML][HTML] Phenomenology at the large hadron collider with deep learning: the case of vector-like quarks decaying to light jets
FF Freitas, J Gonçalves, AP Morais… - The European Physical …, 2022 - Springer
In this work, we continue our exploration of TeV-scale vector-like fermion signatures inspired
by a Grand Unification scenario based on the trinification gauge group. A particular focus is …
by a Grand Unification scenario based on the trinification gauge group. A particular focus is …
Discrete flavor symmetries and lepton masses and mixings
We discuss neutrino mass and mixing models based on discrete flavor symmetries. These
models can include a variety of new interactions and non-standard particles such as sterile …
models can include a variety of new interactions and non-standard particles such as sterile …
[HTML][HTML] Deep learning searches for vector-like leptons at the LHC and electron/muon colliders
AP Morais, A Onofre, FF Freitas, J Gonçalves… - The European Physical …, 2023 - Springer
The discovery potential of both singlet and doublet vector-like leptons (VLLs) at the Large
Hadron Collider (LHC) as well as at the not-so-far future muon and electron machines is …
Hadron Collider (LHC) as well as at the not-so-far future muon and electron machines is …
[HTML][HTML] Fermion masses and mixings and g− 2 muon anomaly in a Q6 flavored 2HDM
We propose an extended 2HDM with Q 6× Z 4× Z 2 symmetry that can successfully
accommodate the SM fermion mass and mixing hierarchy. The tiny masses of the active …
accommodate the SM fermion mass and mixing hierarchy. The tiny masses of the active …
Collider phenomenology of new neutral scalars in a flavored multi-Higgs model
PM Ferreira, J Gonçalves, AP Morais, A Onofre… - Physical Review D, 2023 - APS
In this work, we propose and explore for the first time a new collider signature of heavy
neutral scalars typically found in many distinct classes of multi-Higgs models. This signature …
neutral scalars typically found in many distinct classes of multi-Higgs models. This signature …