Measurement of exclusive $J/\psi$ and $\psi (2S)$ production at $\sqrt{s}=13$ TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1075

Measurements are presented of the cross-section for the central exclusive production of $J/\psi \to {\mu }^{+}{\mu }^{-}$ and $\psi (2S)\to {\mu }^{+}{\mu }^{-}$ processes in proton-proton collisions at $\sqrt{s} = 13…