Implications of fermionic dark matter on recent neutrino oscillation data

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Shivaramakrishna Singirala. Implications of fermionic dark matter on recent neutrino oscillation data[J]. Chinese Physics C, 2017, 41(4): 043102. doi: 10.1088/1674-1137/41/4/043102
Shivaramakrishna Singirala. Implications of fermionic dark matter on recent neutrino oscillation data[J]. Chinese Physics C, 2017, 41(4): 043102.  doi: 10.1088/1674-1137/41/4/043102 shu
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Received: 2016-07-14
Revised: 2016-11-23
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    This work is supported by DST-Inspire Fellowship division-IF130927

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Implications of fermionic dark matter on recent neutrino oscillation data

  • 1. School of Physics, University of Hyderabad, Hyderabad-500046, India
Fund Project:  This work is supported by DST-Inspire Fellowship division-IF130927

Abstract: We investigate flavor phenomenology and dark matter in the context of the scotogenic model. In this model, the neutrino masses are generated through radiative corrections at the 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 the reactor mixing angle θ13, we obtain the relation between various neutrino oscillation parameters and the model parameters. Working in a degenerate heavy neutrino mass spectrum, we obtain light neutrino masses obeying the normal hierarchy and also study the relic abundance of fermionic dark matter candidates, including coannihilation effects. A viable parameter space is thus obtained, consistent with neutrino oscillation data, relic abundance and various lepton flavor violating decays such as lα→lβγ and lα→3lβ.

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