Discovery of a second narrow resonance in e+e- annihilation

G. S. Abrams, D. Briggs, W. Chinowsky, C. E. Friedberg, G. Goldhaber, R. J. Hollebeek, J. A. Kadyk, A. Litke, B. Lulu, F. Pierre, B. Sadoulet, G. H. Trilling, J. S. Whitaker, J. Wiss, J. E. Zipse, J. E. Augustin, A. M. Boyarski, M. Breidenbach, F. Bulos, G. J. FeldmanG. E. Fischer, D. Fryberger, G. Hanson, B. Jean-Marie, R. R. Larsen, V. Luth, H. L. Lynch, D. Lyon, C. C. Morehouse, J. M. Paterson, M. L. Perl, B. Richter, P. Rapidis, R. F. Schwitters, W. Tanenbaum, F. Vannucci

Research output: Contribution to journalArticlepeer-review


We have observed a second sharp peak in the cross section for e+e-→hadrons at a center-of-mass energy of 3.695±0.004 GeV. The upper limit of the full width at half-maximum is 2.7 MeV.

Original languageEnglish (US)
Pages (from-to)1453-1455
Number of pages3
JournalPhysical review letters
Issue number24
StatePublished - 1974
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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