Pixel-level Fermi-LAT analysis confirms a high-latitude 20 GeV Galactic halo excess consistent with ~0.55–0.72 TeV WIMP annihilation at ⟨σv⟩~10⁻²⁴ cm³ s⁻¹, with dwarf tension reduced to R≃1.6–9.3 by systematics.
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The 20 GeV Galactic Halo Excess: Pixel-Level Confirmation and Consistency with Sub-TeV WIMP Annihilation
Pixel-level Fermi-LAT analysis confirms a high-latitude 20 GeV Galactic halo excess consistent with ~0.55–0.72 TeV WIMP annihilation at ⟨σv⟩~10⁻²⁴ cm³ s⁻¹, with dwarf tension reduced to R≃1.6–9.3 by systematics.