Production of photons associated with the by 217-GeV/c - Mesons

T. B.W. Kirk, R. Raja, M. Goodman, W. A. Loomis, A. L. Sessoms, C. Tao, R. Wilson, G. O. Alverson, G. Ascoli, D. E. Bender, J. W. Cooper, L. E. Holloway, L. J. Koester, U. E. Kruse, W. W. MacKay, R. D. Sard, M. A. Shupe, E. B. Smith, J. Davies, T. W. QuirkW. S.C. Williams, R. K. Thornton, R. H. Milburn

Research output: Contribution to journalArticlepeer-review

31 Scopus citations


Dimuon production is studied in 217-GeV/c - hydrogen and - beryllium collisions with a lead-glass array to detect photons associated with the . The - mass spectrum shows a 2.6-standard-deviation excess of events above background at 3.5 GeV. This excess, if attributed to the decay 3.5), implies that 0.700.28 of the 's are produced via radiative decay of one of the states.

Original languageEnglish (US)
Pages (from-to)619-622
Number of pages4
JournalPhysical review letters
Issue number10
StatePublished - 1979

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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