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Demonstrates leptogenesis influences dark matter and neutrino masses, suggesting new particle interactions.
We study the phenomenology of choosing a minimal set of effective operators simultaneously generating the dark matter relic density and matter–antimatter asymmetry of the universe. Neutrino masses are obtained in a specific case of baryogenesis via leptogenesis. We find that only two new particles—a heavy unstable fermion and a light dark matter scalar—need to be included in addition to the Standard Model particle content.
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Blažek et al. (2025) studied this question.
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