Predictions for the Leptonic Dirac CP-Violating Phase

TL;DR

This paper investigates theoretical constraints within simple models to predict the leptonic Dirac CP-violating phase, ensuring meaningful and likely predictions for this key neutrino parameter.

Contribution

It introduces a framework that guarantees physically meaningful predictions for the leptonic Dirac CP-violating phase in models with a single source of CP violation.

Findings

Predictions for the leptonic Dirac CP-violating phase are constrained by the model.

The approach ensures physically meaningful and likely values for the phase.

The framework applies to models with charged lepton corrections.

Abstract

We explore the theoretical constraints on the observable parameters of neutrino mixing on predictions for the leptonic Dirac CP-violating phase within a well-studied class of simple theoretical models that includes a single source of CP violation due to charged lepton corrections. The approach guarantees that a physically meaningful prediction for the most likely values for the leptonic Dirac CP-violating phase is obtained.