Cross sections for the reaction pp̄→e+e- have been measured at s=8.9,12.4, and 13.0 GeV2. The cross sections have been analyzed to obtain the proton electromagnetic form factors in the timelike region. We find that GM(q2)q-4αs2(q2) for q25 (GeV/c)2.
ASJC Scopus subject areas
- Physics and Astronomy(all)