Proposes heavy-element paleodetectors in lead-rich ancient minerals to detect inelastic Higgsino dark matter up to mass splittings of ~920 keV, relaxing radiopurity and depth constraints.
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A differentiable forward model for weakly perturbed stellar streams forecasts that adding kinematics to density spectra improves dark matter free-streaming cutoff precision from 1.2 dex to 0.25 dex for a 5 Gyr stream.
Mutual information analysis of TNG50 simulations shows gravitational potential and total energy retain merger mass and infall time information longest, while radial velocity loses it within ~5 Gyr, with washout depending on radius, merger age, and mass.
citing papers explorer
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Heavy-element paleodetectors for Higgsino dark matter
Proposes heavy-element paleodetectors in lead-rich ancient minerals to detect inelastic Higgsino dark matter up to mass splittings of ~920 keV, relaxing radiopurity and depth constraints.
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A differentiable forward model for weakly perturbed stellar streams: substructure forecasts from density and kinematics spectra
A differentiable forward model for weakly perturbed stellar streams forecasts that adding kinematics to density spectra improves dark matter free-streaming cutoff precision from 1.2 dex to 0.25 dex for a 5 Gyr stream.
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Galactic Amnesia: The Information Washout of the Milky Way Merger History
Mutual information analysis of TNG50 simulations shows gravitational potential and total energy retain merger mass and infall time information longest, while radial velocity loses it within ~5 Gyr, with washout depending on radius, merger age, and mass.