Measurement of the decay

J. Adler, J. J. Becker, G. T. Blaylock, T. Bolton, J. S. Brown, K. O. Bunnell, T. H. Burnett, R. E. Cassell, D. Coffman, V. Cook, D. H. Coward, D. E. Dorfan, G. P. Dubois, A. L. Duncan, G. Eigen, K. F. Einsweiler, B. I. Eisenstein, T. Freese, G. Gladding, C. GrabF. Grancagnolo, R. P. Hamilton, J. Hauser, C. A. Heusch, D. G. Hitlin, J. M. Izen, L. Köpke, A. Li, W. S. Lockman, U. Mallik, C. G. Matthews, R. Mir, P. M. Mockett, R. F. Mozley, B. Nemati, A. Odian, L. Parrish, R. Partridge, J. Perrier, D. Pitman, S. A. Plaetzer, J. D. Richman, H. F.W. Sadrozinski, M. Scarlatella, T. L. Schalk, R. H. Schindler, A. Seiden, C. Simopoulos, A. L. Spadafora, I. E. Stockdale, W. Stockhausen, J. J. Thaler, W. Toki, B. Tripsas, F. Villa, S. Wasserbaech, A. Wattenberg, A. J. Weinstein, N. Wermes, H. J. Willutzki, D. Wisinski, W. J. Wisniewski, G. Wolf, R. Xu, Y. Zhu

Research output: Contribution to journalArticlepeer-review

Abstract

The decay is studied in pair production by e+e- annihilation at s =3.77 GeV, 0.20 GeV above threshold. The branching fraction is measured to be B()=(23.01.31.7)%. The measured distribution of the helicity angle of the charged pion from the decay agrees with the theoretical prediction.

Original languageEnglish (US)
Pages (from-to)1527-1529
Number of pages3
JournalPhysical review letters
Volume59
Issue number14
DOIs
StatePublished - 1987
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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