Cross Section Measurements of $\bar{n}p\to K^{+}{K}^{-}{\pi }^{+}({\pi }^0)$ via Antineutrons Produced by $J/\psi \to p{\pi }^{-}\bar{n}$ Decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +759

Based on a novel method for producing antineutrons via $J/\psi$ decays, we report a study of $\bar{n}p$ inelastic scattering into final states containing kaons. The analysis uses $(10…