Radiative Neutrino Mass in Alternative Left-Right Model

TL;DR

This paper introduces a novel radiative seesaw model within an alternative left-right framework that generates neutrino masses at two-loop level without bidoublet scalars, addressing neutrino oscillations, lepton flavor violations, dark matter, and collider implications.

Contribution

It presents a new radiative neutrino mass model in an alternative left-right setup, avoiding bidoublet scalars and explaining neutrino masses via two-loop processes.

Findings

Neutrino masses are generated at two-loop level.

The model accommodates neutrino oscillation data.

Constraints from lepton flavor violation and muon g-2 are discussed.

Abstract

We propose a radiative seesaw model in alternative left-right model without any bidoublet scalar fields, in which all the fermion masses in the standard model are generated through a canonical seesaw mechanism at the tree level. On the other hand the observed neutrino masses are generated at two-loop level. In this paper we focus on the neutrino sector and show how to induce the active neutrino masses. Then we discuss the observed neutrino oscillation, constraints from lepton flavor violations, new sources of muon anomalous magnetic moment, a long-lived dark matter candidate with keV scale mass, and collider physics.