Measurement of the two-photon exchange contribution to the elastic $e^{\pm }p$ scattering cross sections at the VEPP-3 storage ring

I. A. Rachek, J. Arrington, V. F. Dmitriev +17

The ratio of the elastic $e^{+}p$ to $e^{-}p$ scattering cross sections has been measured precisely, allowing the determination of the two-photon exchange contribution to these proce…