Abstract
Combining neutrino mass generation and a dark matter candidate in a unified model has always been intriguing. We revisit the class of RνMDM models, which incorporate minimal dark matter in radiative neutrino mass models based on the one-loop ultraviolet completions of the Weinberg operator. The possibility of an exact accidental Z 2 is completely ruled out in this scenario. We study the phenomenology of one of the models with an approximate Z 2 symmetry. In addition to the Standard Model particles, it contains two real scalar quintuplets, one vector-like quadruplet fermion and a fermionic quintuplet. The neutral component of the fermionic quintuplet serves as a good dark matter candidate which can be tested by the future direct and indirect detection experiments. The constraints from flavor physics and electroweak-scale naturalness are also discussed.
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Cai, Y., Schmidt, M.A. Revisiting the RνMDM models. J. High Energ. Phys. 2016, 28 (2016). https://doi.org/10.1007/JHEP05(2016)028
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DOI: https://doi.org/10.1007/JHEP05(2016)028