Measurement of the two-photon exchange contribution in elastic $ep$ scattering at VEPP-3

A. V. Gramolin, J. Arrington, L. M. Barkov +18

We report on the status of the Novosibirsk experiment on a precision measurement of the ratio $R$ of the elastic $e^{+}p$ and $e^{-}p$ scattering cross sections. Such measurements de…