Studying ${\pi }^{+}{\pi }^{-}$ photoproduction beyond Pomeron exchange

Łukasz Bibrzycki, Nadine Hammoud, Vincent Mathieu +10

Forward photoproduction of ${\pi }^{+}{\pi }^{-}$ pairs with invariant mass of the order of $m_{\rho }\sim 770$ MeV is traditionally understood to be produced via Pomeron exchange. Based on a detailed…