Fermionic Dark Matter in Radiative Inverse Seesaw Model with U(1)_{B-L}

TL;DR

This paper presents a radiative inverse seesaw model with local B-L symmetry that explains neutrino masses and fermionic dark matter, consistent with current experimental constraints and testable by direct detection experiments.

Contribution

It introduces a novel radiative inverse seesaw framework with local B-L symmetry, linking neutrino mass generation and dark matter phenomenology.

Findings

Neutrino masses generated radiatively via inverse seesaw.

Dark matter relic abundance explained by Higgs-mediated annihilation.

Model consistent with XENON100 direct detection results.

Abstract

We construct a radiative inverse seesaw model with local B-L symmetry, and investigate the flavor structure of the lepton sector and the fermionic Dark Matter. Neutrino masses are radiatively generated through a kind of inverse seesaw framework. The PMNS matrix is derived from each mixing matrix of the neutrino and charged lepton sector with large Dirac CP phase. We show that the annihilation processes via the interactions with Higgses which are independent on the lepton flavor violation, have to be dominant in order to satisfy the observed relic abundance by WMAP. The new interactions with Higgses allow us to be consistent with the direct detection result reported by XENON100, and it is possible to verify the model by the exposure of XENON100 (2012).