Two loop Induced Dirac Neutrino Model and Dark Matters with Global $U(1)'$ Symmetry

TL;DR

This paper introduces a two-loop induced Dirac neutrino model at TeV scale, incorporating multiple dark matter candidates, and analyzes their compatibility with current experimental data and potential explanations for neutrino species discrepancies.

Contribution

It presents a novel two-loop induced Dirac neutrino model with multiple dark matter particles and explores their phenomenological implications.

Findings

Two dark matter scenarios are compatible with experimental data.

The model can potentially explain the effective number of neutrino species discrepancy.

Dark matter candidates include fermions and bosons with distinct properties.

Abstract

We propose a two loop induced Dirac type neutrino model at TeV scale. Subsequently, three types of dark matter particles; fermion and two bosons, are naturally introduced. Here we discuss to analyze two possibilities; two component dark matter scenario (Dirac fermion and complex boson) and single dark matter one (another real boson), comparing to current experimental data such as Planck/WMAP and LUX. We briefly mention the possibility to explain the discrepancy of the effective number of neutrino species reported by several experiments.