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astro-ph.HE2024
Detection of Gamma-ray Halos around Nearby Late-type Galaxies
M. S. Pshirkov, B. A. Nizamov
Various theoretical models predict the existence of extended -ray halo around normal galaxies that could be produced by interactions of cosmic rays with the circumgalactic mediu…
astro-ph.HE2024
Annihilation of positrons from AGN jets as a possible source of cosmic gamma-ray background at energies below 511 keV
B. A. Nizamov, M. S. Pshirkov
The origin of the diffuse gamma-ray background in the range from hundreds keV to several MeV is not known conclusively. From current models and observations it is believed that, at…