Dark matter and the neutrino portal paradigm

TL;DR

This paper introduces a simple Standard Model extension that realizes the dark-matter neutrino-portal paradigm, with interactions involving neutrinos, and satisfies all observational constraints.

Contribution

It presents a minimal model extension that explicitly implements the dark-matter neutrino-portal mechanism within the Standard Model framework.

Findings

Model satisfies all observational constraints

Dark sector interacts primarily through neutrinos

Provides a viable dark matter candidate

Abstract

A simple extension of the Standard Model (SM) that provides an explicit realization of the dark-matter (DM) neutrino-portal paradigm is presented. The leading interactions between the dark sector, containing scalars and relic fermions, and the SM involve neutrinos. This model meets all observational constraints.