Primordial black holes and scotogenic dark matter

Abstract

We study the effect of the scotogenic dark matter on the primordial black holes (PBHs) and vice versa. We show that if the PBHs evaporate in the radiation dominant era, the upper limit of the initial mass of the PBHs $M_{\mathrm{in}}$ should be constrained as $10^4\lesssim M_{\mathrm{in}}/M_{\mathrm{Pl}}\lesssim 10^{10}$ for $\mathcal{O}$(1) TeV scotogenic dark matter ($\mathcal{O}$(1) TeV is the most appropriate energy scale in the scotogenic model). On the other hand, if the PBHs evaporate in the PBH dominated era, a quite heavy scotogenic dark matter ($m_{/rmDM}/gtrsim10^9$ GeV) for $M_{/rmin}/M_{/rmPl}/sim10^{13}$ may be allowed.

29 pages, 10 figures

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• Primordial Black Hole Archaeology with Gravitational Waves from Cosmic Strings
• Testing Super-Heavy Dark Matter from Primordial Black Holes with Gravitational Waves
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• Long lived inert Higgs in fast expanding universe and its imprint on cosmic microwave background
• Identifying Spin Properties of Evaporating Black Holes through Asymmetric Neutrino and Photon Emission
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• Primordial black holes and lepton flavor violation with scotogenic dark matter
• Constraining scotogenic dark matter and primordial black holes using gravitational waves
• Asymmetric Reheating by Primordial Black Holes
• Theory and phenomenology of Dirac neutrinos