Unification and Local Baryon Number

TL;DR

This paper explores a unified gauge theory embedding baryon number within a non-Abelian symmetry, predicting exotic particles and implications for collider experiments, aiming for a low-scale gauge unification.

Contribution

It proposes a novel SU(4)_C x SU(3)_L x SU(3)_R model embedding baryon number non-Abelianly, with potential experimental signatures and pathways to gauge unification.

Findings

Predicts stable exotic colored and fractional charged particles.

Suggests possible signatures at LHC experiments.

Provides a framework for low-scale gauge unification.

Abstract

We investigate the possibility to find an ultraviolet completion of the simple extensions of the Standard Model where baryon number is a local symmetry. In the context of such theories one can understand the spontaneous breaking of baryon number at the low scale and the proton stability. We find a simple theory based on SU(4)_C x SU(3)_L x SU(3)_R where baryon number is embedded in a non-Abelian gauge symmetry. We discuss the main features of the theory and the possible implications for experiments. This theory predicts stable colored and/or fractional electric charged fields which can give rise to very exotic signatures at the Large Hadron Collider experiments such as CMS and ATLAS. We further discuss the embedding in a gauge theory based on SU(4)_C x SU(4)_L x SU(4)_R which could define the way to achieve the unification of the gauge interactions at the low scale.