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    • Observation of J/ψ → pp̅α₀(980) at BESII 

      Ablikim, M.; Achasov, M. N.; Ai, X. C.; Albayrak, O.; Albrecht, M.; Ambrose, D. J.; An, F. F.; Lou, Xinchou (2014-09-26)
      Using 2.25 x 10⁸ J/ψ events collected with the BESIII detector at the BEPCII storage rings, we observe for the first time the process J/ψ → pp̅α₀(980), α₀ → π⁰η with a significance of 6.5σ (3.2σ including systematic ...