Observation of an intermediate state in ψ(3684) radiative cascade decay

W. Tanenbaum, J. S. Whitaker, G. S. Abrams, A. M. Boyarski, M. Breidenbach, F. Bulos, W. Chinowsky, G. J. Feldman, C. E. Friedberg, D. Fryberger, G. Goldhaber, G. Hanson, D. L. Hartill, B. Jean-Marie, J. A. Kadyk, R. R. Larsen, A. M. Litke, D. Lüke, B. A. Lulu, V. LüthH. L. Lynch, C. C. Morehouse, J. M. Paterson, M. L. Perl, F. M. Pierre, T. P. Pun, P. Rapidis, B. Richter, B. Sadoulet, R. F. Schwitters, G. H. Trilling, F. Vannucci, F. C. Winkelmann, J. E. Wiss

Research output: Contribution to journalArticlepeer-review

Abstract

We present evidence for the existence of an intermediate state observed in the decay sequence ψ(3684)→ψ(3095)γγ. The mass of the state is either 3500 ± 10 or 3270 ± 10 MeV. The branching fraction of the sequence is (3.6 ± 0.7)%.

Original languageEnglish (US)
Pages (from-to)1323-1326
Number of pages4
JournalPhysical review letters
Volume35
Issue number20
DOIs
StatePublished - 1975

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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