3 papers
hep-ph2023
A closer look at the explanation of the ATOMKI nuclear anomalies
P. M. Ferreira, B. L. Gonçalves, F. R. Joaquim
We revisit the gauged explanation of the ATOMKI nuclear anomalies, in which the new gauge boson is the hypothetical particle. It is known that the vanilla $B-L…
hep-ph2021
in the 2HDM and slightly beyond -- an updated view
P. M. Ferreira, B. L. Gonçalves, F. R. Joaquim +1
The recent measurement of the muon anomaly continues to defy a Standard Model explanation, but can be accommodated within the framework of two Higgs doublet models. If one…
hep-ph2019
Stability of neutral minima against charge breaking in the Higgs triplet model
P. M. Ferreira, B. L. Gonçalves
We analyse the possibility of charge breaking minima developing in the Higgs triplet model, and under what conditions they are deeper than charge-preserving ones. Analytical expres…