Lepton and hadron pair production in two-photon reactions

PLUTO Collaboration

Research output: Contribution to journalArticlepeer-review


We have measured the production of charged particle pairs in e+e initiated two-photon reactions. The observed rates and invariant mass spectra agree with expectations from QED if a resonant π+π production at the f0 mass is added. Assuming dominance of the helicity 2 production we obtain the width Γ(f0→γγ) = 2.3 ± 0.5 keV.

Original languageEnglish
Pages (from-to)254-258
Number of pages5
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Issue number2
StatePublished - 1980
Externally publishedYes


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