Fermionic dark matter in Dynamical Scotogenic Model
arXiv (Cornell University)(2023)
摘要
bstract In the Dynamical Scotogenic Model, the global B − L symmetry is supposed to be broken spontaneously resulting in a massless Goldstone boson called majoron, and massive right handed neutrinos which participate in the generation of light neutrino massses at one-loop. One of them being the lightest stable particle can be a thermal dark matter candidate. We discuss how the dark matter phenomenology differs from the original Scotogenic model, taking into account all the constraints coming from the observed neutrino masses and mixing, lepton flavor violations such as μ → eγ, μ → eJ , astrophysical and cosmological observations of stellar cooling and N eff , as well as collider signatures such as Higgs invisible decays. We find that the dark matter annihilation to majorons plays an important role to produce the right relic abundance.
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关键词
Models for Dark Matter,Particle Nature of Dark Matter
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