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- W2898040839 abstract "Based on 58×106 J/ψ events collected with the BESII detector at the Beijing Electron-Positron Collider, the baryon pair processes J/ψ→Σ+Σ¯− and J/ψ→Ξ0Ξ¯0 are observed for the first time. The branching fractions are measured to be B(J/ψ→Σ+Σ¯−)=(1.50±0.10±0.22)×10−3 and B(J/ψ→Ξ0Ξ¯0)=(1.20±0.12±0.21)×10−3, where the first errors are statistical and the second ones are systematic.Received 12 October 2008DOI:https://doi.org/10.1103/PhysRevD.78.092005©2008 American Physical Society" @default.
- W2898040839 created "2018-10-26" @default.
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