Energy dependence of $e^+e^- \to 6\pi$ and $e^+e^- \to N\bar{N}$ cross   sections near the $N\bar{N}$ threshold
  Using recent BABAR, CMD-3 and SND data, the sum of $e^+e^- \to 3(\pi^+\pi^-), 2(\pi^+\pi^-\pi^0), p\bar{p}, n\bar{n}$ cross sections is obtained. Unlike $e^+e^- \to 3(\pi^+\pi^-)$ and $e^+e^- \to 2(\pi^+\pi^-\pi^0)$ processes, no structures in total cross section are found near the $N\bar{N}$ threshold within the limits of measurement errors. 
A.E. Obrazovsky and S.I. Serednyakov
hep-ph