The Dark Side of Flipped Trinification

TL;DR

This paper introduces a flipped trinification model unifying Left-Right symmetry with an extended gauge group, explaining matter parity, neutrino masses, and proposing viable dark matter candidates with distinct phenomenologies.

Contribution

It develops a novel flipped trinification model based on $SU(3)_C\otimes SU(3)_L\otimes SU(3)_R\otimes U(1)_X$ that explains matter parity and neutrino masses while identifying potential dark matter candidates.

Findings

Successful generation of neutrino masses via seesaw mechanism

Identification of fermion, scalar, and vector dark matter candidates

Detailed symmetry breaking and mass eigenstate analysis

Abstract

We propose a model which unifies the Left-Right symmetry with the $SU(3)_L$ gauge group, called flipped trinification, and based on the $SU(3)_C\otimes SU(3)_L\otimes SU(3)_R\otimes U(1)_X$ gauge group. The model inherits the interesting features of both symmetries while elegantly explaining the origin of the matter parity, $W_P=(-1)^{3(B-L)+2s}$, and dark matter stability. We develop the details of the spontaneous symmetry breaking mechanism in the model, determining the relevant mass eigenstates, and showing how neutrino masses are easily generated via the seesaw mechanism. Viable dark matter candidates can either be a fermion, a scalar or a vector, leading to potentially different dark matter phenomenology.