Abstract
We propose a dynamical scoto-seesaw mechanism using a gauged B−L symmetry. Dark matter is reconciled with neutrino mass generation, in such a way that the atmospheric scale arises , while the solar scale is , arising radiatively from the exchange of “dark” states. This way we “explain” the solar-to-atmospheric scale ratio. The TeV-scale seesaw mediator and the two dark fermions carry different B−L charges. Dark matter stability follows from the residual matter parity that survives B−L breaking. Besides having collider tests, the model implies sizable charged lepton flavor violating (cLFV) phenomena, including Goldstone boson emission processes. Published by the American Physical Society 2024
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