DAMSA proposes an ultra-short baseline accelerator experiment to detect short-lived dark sector messengers by overcoming the sensitivity ceiling of longer-baseline beam dump experiments through a compact detector design.
Gravity-mediated (or Composite) Dark Matter
3 Pith papers cite this work. Polarity classification is still indexing.
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abstract
Dark matter could have an electroweak origin, yet communicate with the visible sector exclusively through gravitational interactions. In a set-up addressing the hierarchy problem, we propose a new dark matter scenario where gravitational mediators, arising from the compactification of extra-dimensions, are responsible for dark matter interactions and its relic abundance in the Universe. We write an explicit example of this mechanism in warped extra-dimensions and work out its constraints. We also develop a dual picture of the model, based on a four-dimensional scenario with partial compositeness. We show that Gravity-mediated Dark Matter is equivalent to a mechanism of generating viable dark matter scenarios in a strongly-coupled, near-conformal theory, such as in composite Higgs models.
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background 2representative citing papers
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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The DAMSA Experiment
DAMSA proposes an ultra-short baseline accelerator experiment to detect short-lived dark sector messengers by overcoming the sensitivity ceiling of longer-baseline beam dump experiments through a compact detector design.
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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.