Measurement of the cross section for e^+e^- -> ppbar at center-of-mass energies from 2.0 to 3.07 GeV
M. Ablikim, et al (for the BES Collaboration)
TL;DR
This paper reports measurements of the e^+e^- -> ppbar cross section across energies from 2.0 to 3.07 GeV, providing data on proton electromagnetic form factors in the time-like region.
Contribution
It presents new experimental measurements of the cross section and form factors in a previously unexplored energy range, enhancing understanding of proton structure.
Findings
Cross sections measured at 10 energies from 2.0 to 3.07 GeV
Proton electromagnetic form factors determined in the time-like region
Data improves knowledge of proton structure in this energy range
Abstract
Cross sections for e^+e^- -> ppbar have been measured at 10 center-of-mass energies from 2.0 to 3.07 GeV by the BESII experiment at the BEPC, and proton electromagnetic form factors in the time-like region have been determined.
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