Composite dark matter from a keV–MeV confining phase transition sources an IR-enhanced curvature spectrum that competes with free-streaming suppression, yielding concrete CMB and Lyman-α bounds on transition strength and temperature.
Warm dark matter from a gravitational freeze-in in extra dimensions
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Xenon data constrain inelastic fermion DM with scalar mediator for sub-MeV mass splittings through endothermic and exothermic DM-electron scattering.
In ADD models with n large extra dimensions, gravity-mediated DM-nucleon interactions scale as m_p m_χ M_*^{-4} and resonant annihilation as ⟨σv⟩ ~ m_χ^n M_*^{-n-2}, yielding bounds on {m_χ, M_*} from Xe direct detection and galactic gamma rays.
citing papers explorer
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Probing Confining Dark Sectors with Cosmological Perturbations
Composite dark matter from a keV–MeV confining phase transition sources an IR-enhanced curvature spectrum that competes with free-streaming suppression, yielding concrete CMB and Lyman-α bounds on transition strength and temperature.
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Direct-detection constraints on inelastic dark matter with a scalar mediator
Xenon data constrain inelastic fermion DM with scalar mediator for sub-MeV mass splittings through endothermic and exothermic DM-electron scattering.
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Signatures of gravity-mediated dark matter interaction in theories with large extra dimensions
In ADD models with n large extra dimensions, gravity-mediated DM-nucleon interactions scale as m_p m_χ M_*^{-4} and resonant annihilation as ⟨σv⟩ ~ m_χ^n M_*^{-n-2}, yielding bounds on {m_χ, M_*} from Xe direct detection and galactic gamma rays.