2 papers
astro-ph.HE2026
Galactic Electron-Positron Annihilation Emission from X-Ray Binaries with Transient and Persistent Jets
Argen Gian Detoito, Henric Krawczynski
The Galactic Center exhibits a persistent 0.511 MeV emission characteristic of electron-positron annihilation. Various astrophysical sources may be responsible for supplying the po…
astro-ph.IM2026
Design of a mission to measure the shape and substructure of the 511 keV gamma-ray line from the center of the Milky Way
Kun Hu, Matthew Fritts, Daniel Becker +23
The 511 keV electron-positron annihilation feature near the galactic center has been detected for more than half a century, yet its origin remains a mystery. In this paper, we desc…