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

Research output: Contribution to journalJournal article

Published

Journal publication date1983
JournalPhysics Letters B
Journal number6
Volume130
Number of pages5
Pages454-458
Original languageEnglish

Abstract

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.