Observation of the radiative decay J/Ψ→e+e-γ

Fermilab E760 Collaboration

Research output: Contribution to journalArticlepeer-review

13 Scopus citations


We report the first observation of the (radiative) decay J/Ψ→e+e-γ. Our data are from an experiment in which J/Ψ is formed in antiproton-proton annihilations. The observed rate is consistent with a QED calculation based on final state radiation. Our measurement gives a branching ratio for this mode of (8.8±1.3±0.4)×10-3 for γ energy>100 MeV.

Original languageEnglish (US)
Pages (from-to)7067-7070
Number of pages4
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Issue number11
StatePublished - 1996

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)


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