Observation of the Decay ψ(3684)→ψ(3095)η

W. Tanenbaum, 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. Lüth, H. L. LynchC. 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, J. S. Whitaker, F. C. Winkelmann, J. E. Wiss

Research output: Contribution to journalArticlepeer-review

Abstract

We have observed the decay ψ(3684)→ψ(3095)η with a branching fraction of (4.3±0.8)%. This measurement, together with previous measurements of ψ(3684)→ψ(3095)+anything, ψ(3684)→ψ(3095)π+π-, and ψ(3684)→ψ(3095)γγ, indicates that isospin is conserved in the decay ψ(3684)→ψ(3095)ππ and establishes the isospin and G parity of the ψ(3684) to be IG=0-.

Original languageEnglish (US)
Pages (from-to)402-405
Number of pages4
JournalPhysical review letters
Volume36
Issue number8
DOIs
StatePublished - Jan 1 1976

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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