Radiative Seesaw in SO(10) with Dark Matter

TL;DR

This paper extends SO(10) models to include dark matter candidates and introduces a new radiative seesaw mechanism that can be tested at accelerators, impacting neutrino physics and fermion mass theories.

Contribution

It proposes a novel radiative seesaw formula within SO(10) models that is experimentally accessible and naturally explains small couplings, influencing dark matter and neutrino mass understanding.

Findings

Predicts a testable radiative seesaw mechanism.

Achieves precision unification with proton lifetime within experimental reach.

Provides a natural explanation for small quartic couplings.

Abstract

High energy accelerators may probe into dark matter and the seesaw neutrino mass scales if they are not much heavier than ~O(TeV). In the absence of supersymmetry, we extend a class of SO(10) models to predict well known cold dark matter candidates while achieving precision unification with experimentally testable proton lifetime. The most important prediction is a new radiative seesaw formula of Ma type accessible to accelerator tests while the essential small value of its quartic coupling also emerges naturally. This dominates over the high-scale seesaw contributions making a major impact on neutrino physics and dark matter, opening up high prospects as a theory of fermion masses.