Unification and local baryon number

• Main Authors: Pavel Fileviez Pérez, Sebastian Ohmer
• Format: Article
• Language: English
• Published: Elsevier 2017-05-01
• Series: Physics Letters B
• Online Access: http://www.sciencedirect.com/science/article/pii/S0370269317301624

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⊗SU(3)L⊗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⊗SU(4)L⊗SU(4)R which could define the way to achieve the unification of the gauge interactions at the low scale.