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Improved measurements of χcJ → Σ+ Σ - and Σ0 Σ 0 decays IMPROVED MEASUREMENTS of ... M. ABLIKIM et al.
(American Physical Society, 2018)
Using a data sample of (448.1±2.9)×106 ψ(3686) events collected with the BESIII detector at the BEPCII collider, we present measurements of branching fractions for the decays χcJ→Σ+Σ- and Σ0Σ0. The decays χc1,2→Σ+Σ- and ...