Implications of Fermionic Dark Matter on recent neutrino oscillation data

Abstract

We investigate flavor phenomenology and dark matter in the context of scotogenic model. In this model, the neutrino masses are generated through radiative corrections at one-loop level. Considering the neutrino mixing matrix to be of tri-bimaximal form with additional perturbations to accommodate the recently observed non-zero value of reactor mixing angle ${\theta }_{13}$, we obtain the relation between various neutrino oscillation parameters and the model parameters. Working in degenerate heavy neutrino mass spectrum, we obtain light neutrino masses obeying normal hierarchy and also study the relic abundance of fermionic dark matter candidate including co-annihilation effects. A viable parameter space is thus obtained, consistent with neutrino oscillation data, relic abundance and various lepton flavor violating decays such as ${\ell }_{\alpha }\to {\ell }_{\beta }\gamma$ and ${\ell }_{\alpha }\to 3{\ell }_{\beta }$.

arXiv comment16 pages, 8 figures, to appear in Chinese Physics C

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• Parametrization of the Yukawa matrix in the scotogenic model and single-zero textures of the neutrino mass matrix
• Neutrino magnetic moment and inert doublet dark matter in a Type-III radiative scenario
• One-loop Type II Seesaw Neutrino Model with Stable Dark Matter Candidates
• Constraining scotogenic dark matter and primordial black holes using gravitational waves
• Primordial black holes and lepton flavor violation with scotogenic dark matter