A two-component pNGB dark matter model in which two independent soft-breaking parameters control the mass splitting and enable conversion between the heavier and lighter components while suppressing direct detection rates.
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An explicit model is built where Dirac fermion dark matter semi-annihilates to boosted dark matter plus neutrinos, with two-loop radiative neutrino masses, requiring a mediator mass of O(1) MeV to reach O(10^{-36}) cm² scattering cross section detectable in DUNE and DARWIN.
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Two component pseudo-Nambu-Goldstone-boson dark matter
A two-component pNGB dark matter model in which two independent soft-breaking parameters control the mass splitting and enable conversion between the heavier and lighter components while suppressing direct detection rates.
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Boosted dark matter via semi-annihilation in a radiative neutrino mass model
An explicit model is built where Dirac fermion dark matter semi-annihilates to boosted dark matter plus neutrinos, with two-loop radiative neutrino masses, requiring a mediator mass of O(1) MeV to reach O(10^{-36}) cm² scattering cross section detectable in DUNE and DARWIN.