Decay of the J/ψ to Σ0Σ0 Final State

  • With 7.8 million produced J/ψ events collected by the BES detector at the BEPC, the decay J/ψ→Σ0Σ0 is analysed. The branching ratio is measured to be BR(J/ψ→Σ0Σ0)=(0.97±0.04±0.24)×10-3. The angular distribution is of the form dN dcosθ=N0(1+α cos2θ) with α value of -0.21±0.27±0.13.
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BES Callaboration. Decay of the J/ψ to Σ0Σ0 Final State[J]. Chinese Physics C, 2002, 26(2): 93-99.
BES Callaboration. Decay of the J/ψ to Σ0Σ0 Final State[J]. Chinese Physics C, 2002, 26(2): 93-99. shu
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Received: 2001-09-19
Revised: 1900-01-01
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Decay of the J/ψ to Σ0Σ0 Final State

    Corresponding author: BES Callaboration,
  • Institute of High Energy Physics, CAS, Beijing 100039, China

Abstract: With 7.8 million produced J/ψ events collected by the BES detector at the BEPC, the decay J/ψ→Σ0Σ0 is analysed. The branching ratio is measured to be BR(J/ψ→Σ0Σ0)=(0.97±0.04±0.24)×10-3. The angular distribution is of the form dN dcosθ=N0(1+α cos2θ) with α value of -0.21±0.27±0.13.

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