Measurement of cross sections of the interactions e+e → ϕϕω and e+e → ϕϕϕ at center-of-mass energies from 4.008 to 4.600 GeV

BESIII Collaboration

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Using data samples collected with the BESIII detector at the BEPCII collider at six center-of-mass energies between 4.008 and 4.600 GeV, we observe the processes e+e→ϕϕω and e+e→ϕϕϕ. The Born cross sections are measured and the ratio of the cross sections σ(e+e→ϕϕω)/σ(e+e→ϕϕϕ) is estimated to be 1.75±0.22±0.19 averaged over six energy points, where the first uncertainty is statistical and the second is systematic. The results represent first measurements of these interactions.

Original languageEnglish (US)
Pages (from-to)78-86
Number of pages9
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
StatePublished - Nov 10 2017


  • Cross section
  • Triple quarkonia
  • ee annihilation

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