Reconstructed ii baryon decays and photon conversions in DELPHI are used to measure the Sigma(0) production rate from hadronic Z(0) decays at LEP. The number of Sigma(0) decays per hadronic Z decay is found to be: <Sigma(0) + <(Sigma)over bar (0)>> = 0.07
Adam, W., Cortina Gil, E., DELPHI Collaboration, & et al. (1996). Production of SIGMA0 and OMEGA- in Z decays. Zeitschrift für Physik. C, Particles and fields, 70, 371-382. https://doi.org/10.1007/s002880050115 (Original work published 1996)