Open AccessNeutrino masses, cosmological inflation and dark matter in a variant U(1)B-L model with type II seesaw mechanism *
Author(s) -
J. G. Rodrigues,
A. C. O. Santos,
Jonathan Ferreira,
C. A. de S. Pires
Publication year - 2021
Publication title -
chinese physics c, high energy physics and nuclear physics/chinese physics c
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.207
H-Index - 46
eISSN - 2058-6132
pISSN - 1674-1137
DOI - 10.1088/1674-1137/abd01a
Subject(s) - physics , seesaw mechanism , particle physics , neutrino , seesaw molecular geometry , dark matter , standard model (mathematical formulation) , gauge symmetry , inflation (cosmology) , gauge (firearms) , gauge theory , theoretical physics , history , archaeology
In this study, we implemented the type II seesaw mechanism into the framework of the gauge model. To achieve this, we added a scalar triplet, , to the canonical particle content of the gauge model. By imposing that the gauge symmetry be spontaneously broken at TeV scale, we show that the type II seesaw mechanism is realized at an intermediate energy scale, more precisely, at approximately GeV. To prevent heavy right-handed neutrinos from disturbing the mechanism, we evoke a discrete symmetry. Interestingly, as a result, we have standard neutrinos with mass around eV scale and right-handed neutrinos with mass in TeV scale, with the lightest one fulfilling the condition of dark matter. We developed all of these in this study. In addition, we show that the neutral component of may perform unproblematic non-minimal inflation with loss of unitarity.