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Observation of inclusive η production in e+e− annihilation at CM energies of 34 GeV

Research output: Contribution to journalJournal articlepeer-review

  • JADE Collaboration
<mark>Journal publication date</mark>1983
<mark>Journal</mark>Physics Letters B
Issue number6
Number of pages5
Pages (from-to)454-458
Publication StatusPublished
<mark>Original language</mark>English


The inclusive production of η mesons at CM energies around 34 GeV has been studied for e+e− annihilation into hadrons. The average number of η-mesons per event is found to be 0.72 ± 0.10 (stat.) ± 0.18 (syst.). The abundance of η's is studied as a function of event shape parameters and it is compared to the corresponding π0 rates.