Photon and Light Meson Production in Hadronic Z^0 Decays

@inproceedings{Collaboration1998PhotonAL,
  title={Photon and Light Meson Production in Hadronic Z^0 Decays},
  author={The Opal Collaboration and K. Ackerstaff et al},
  year={1998}
}
The inclusive production rates and differential cross-sections of photons and mesons with a final state containing photons have been measured with the OPAL detector at LEP. The light mesons covered by the measurements are the π, η, ρ(770)±, ω(782), η′(958) and a0(980) ±. The particle multiplicities per hadronic Z decay, extrapolated to the full energy range, are: 〈nγ〉 = 20.97 ± 0.02 ± 1.15 , 〈nπ0〉 = 9.55 ± 0.06 ± 0.75 , 〈nη〉 = 0.97 ± 0.03 ± 0.11 , 〈nρ±〉 = 2.40 ± 0.06 ± 0.43 , 〈nω〉 = 1.04 ± 0.04… CONTINUE READING

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