Impact of QED backgrounds on light-by-light scattering measurements at $e^{+}{e}^{-}$ and $e^{-}{e}^{-}$ colliders

K. I. Beloborodov, T. A. Kharlamova, V. I. Telnov

The process of elastic scattering of photons ($\gamma \gamma \to \gamma \gamma$, light-by-light scattering) has attracted significant interest in recent years as a loop-induced process sensitive to all c…