Coupled-channel analysis of the near-threshold $e^{+}{e}^{-}\to N\bar{N}$ cross sections

Zhao-Sai Jia, Zhen-Hua Zhang, Feng-Kun Guo +1

The possible existence of nucleon-antinucleon bound states has been studied for decades. We investigate the $e^{+}{e}^{-}\to p\bar{p}$ and $e^{+}{e}^{-}\to n\bar{n}$ cross sections in the nonr…