Image Details
Caption: Figure 6.
511 keV line longitude profile (left panel) and latitude profiles (right panel) for XDM models with a fixed mass mχ = 1.5 TeV and mass splitting Δm = 4 MeV compared to INTEGRAL SPI data (red points) for various propagation setups: default (solid), fast (dashed), and slow (dotted–dashed).
© 2026. The Author(s). Published by the American Astronomical Society.