Implications of fermionic dark matter on recent neutrino oscillation data

Shivaramakrishna Singirala

doi:10.1088/1674-1137/41/4/043102

Chinese Physics C> 2017, Vol. 41> Issue(4) : 043102 DOI: 10.1088/1674-1137/41/4/043102

Implications of fermionic dark matter on recent neutrino oscillation data

Shivaramakrishna Singirala

1.
School of Physics, University of Hyderabad, Hyderabad-500046, India

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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 l_α→l_βγ and l_α→3l_β.
- dark matter ,
- neutrino mixing ,
- lepton flavor violation

References

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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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沈阳化工大学材料科学与工程学院沈阳 110142

Implications of fermionic dark matter on recent neutrino oscillation data

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