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The detectability of dark matter annihilation with Fermi using the anisotropy energy spectrum of the gamma-ray background
Brandon S. Hensley, Jennifer M. Siegal-Gaskins, Vasiliki Pavlidou
The energy-dependence of the anisotropy (the anisotropy energy spectrum) of the large-scale diffuse gamma-ray background can reveal the presence of multiple source populations. Ann…
Gamma-ray signatures of annihilation to charged leptons in dark matter substructure
Matthew D. Kistler, Jennifer M. Siegal-Gaskins
Due to their higher concentrations and small internal velocities, Milky Way subhalos can be at least as important as the smooth halo in accounting for the GeV positron excess via d…
The angular power spectrum of the diffuse gamma-ray background as a probe of Galactic dark matter substructure
Jennifer M. Siegal-Gaskins
Dark matter annihilation in Galactic substructure produces diffuse gamma-ray emission of remarkably constant intensity across the sky, and in general this signal dominates over the…
Robust identification of isotropic diffuse gamma rays from Galactic dark matter
Jennifer M. Siegal-Gaskins, Vasiliki Pavlidou
Dark matter annihilation in Galactic substructure will produce diffuse gamma-ray emission of remarkably constant intensity across the sky, making it difficult to disentangle this G…