Detectability of Pair Echos from Gamma-Ray Bursts and Intergalactic Magnetic Fields

Keitaro Takahashi, Kohta Murase, Kiyotomo Ichiki +2

High-energy emission from gamma-ray bursts (GRBs) can give rise to pair echos, i.e. delayed inverse Compton emission from secondary $e^{\pm }$ pairs produced in $\gamma -\gamma$ interactions w…