Abstract
Electromagnetic baryon form factors are excellent tools to investigate the hadronic structure. Many unexpected features have recently been found by BESIII and other experiments concerning e+e−→NN¯ as well as e+e−→BB¯ close to their thresholds, such as oscillations in the proton time-like effective form factor as a function of the energy and steep steps in the cross section at threshold followed by a plateau in e+e−→pp¯, and similar behaviour in e+e−→ΛcΛ¯c or in other e+e−→BB¯ cross sections. Recent unxpected results for e+e−→ΛΛ¯ are reported as well.
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