Neutrino 2020: Theory Outlook

TL;DR

This paper discusses the current state and future prospects of neutrino mass research, emphasizing the importance of a unified theoretical framework, particularly highlighting the Left-Right Symmetric Model as a promising candidate.

Contribution

It offers a personal, comprehensive perspective on neutrino mass theory, advocating for the Left-Right Symmetric Model as a key unifying approach.

Findings

Highlights the significance of the Left-Right Symmetric Model

Identifies the need for a predictive, self-contained theory of neutrino mass

Provides a logical and phenomenological rationale for theoretical choices

Abstract

I present a personal vision of what is essential in the field of neutrino mass, both from the point of view of what has been achieved and what could lie ahead. In the process, I offer a logical, theoretical and phenomenological rationale behind my opinions. It is however neither a summary of what was discussed in the conference nor a party-line viewpoint, rather an attempt to dig through the enormous body of material in our field in order to uncover a common unifying thread. The main focus is on the search for a predictive and self-contained theory of the origin and nature of neutrino mass, with the conclusion that the Left-Right Symmetric Model plays a special role in this aspect.