Abstract

Initial state radiation processes can be effectively used to measure e+e− annihilation at high luminosity storage rings, such as the B–factory PEP-II in Stanford and the tau-charm factory BEPC-II in Beijing. The BaBar Collaboration has measured with unprecedented accuracy the channels e+e− → pp̄, , produced with initial state radiation at = 10.6 GeV. BES-III aims to collect a luminosity of 10 fb−1 at = 3.77 GeV in the next years. The measurements of the baryon electromagnetic form factors published by BaBar are summarized here together with the expectations of BES-III for the same channels.

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