Multipion photoproduction at energies up to 6 BeV

H. R. Crouch*, R. Hargraves, B. Kendall, R. E. Lanou, A. M. Shapiro, M. Widgoff, G. E. Fischer, C. Bordner, A. E. Brenner, M. E. Law, T. A. O'Halloran, F. D. Rudnick, K. Strauch, J. C. Street, J. J. Szymanski, P. Bastien, B. T. Feld, V. K. Fischer, I. A. Pless, A. RogersC. Rogers, L. Rosenson, T. L. Watts, R. K. Yamamoto, G. Calvelli, F. Gasparini, L. Guerriero, J. Massimo, G. A. Salandin, L. Ventura, C. Voci, F. Waldner, A. Brandstetter, Y. Eisenberg, A. Levy, U. Maor, E. E. Ronat

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

The photoproduction of multipion ( 3) final states has been studied in a hydrogen bubble chamber exposed to a 4.8-6.0-BeV bremsstrahlung photon beam. We find, in most channels, that the reactions are dominated by the production of resonances. In particular, in the three-prong events we discuss the photo-production of η0 mesons and associated production of N*++(1238) and ρ-. In the five- and six-body final states we see the production of N*++(1238) and ω0 mesons. We also discuss a slight enhancement of the pπ+π+ and nπ-π- system observed at about 1560 MeV.

Original languageEnglish
Pages (from-to)1081-1089
Number of pages9
JournalPhysical Review
Volume169
Issue number5
DOIs
StatePublished - 1968
Externally publishedYes

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