Measurement of the electromagnetic-transition form factor for the S11(1535) resonance

P. S. Kummer, E. Ashburner, F. Foster, G. Hughes, R. Siddle, J. Allison, B. Dickinson, E. Evangelides, M. Ibbotson, R. S. Lawson, R. S. Meaburn, H. E. Montgomery, W. J. Shuttleworth

Research output: Contribution to journalArticlepeer-review

29 Scopus citations


We have measured the cross section for the process e+p→e′+p+η0 near threshold for values of the four-momentum transfer between 0.15 and 1.5 (GeVc)2. Assuming that the cross section is dominated by production of the S11(1535) resonance, we have compared our data with quark-model calculations which predict the transition matrix elements for the reaction e+p→e′+S11(1535).

Original languageEnglish (US)
Pages (from-to)873-876
Number of pages4
JournalPhysical review letters
Issue number18
StatePublished - 1973
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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