Analysis of γ-p reactions in a hydrogen bubble chamber to 6.0 BeV: Cross sections and laboratory distributions

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

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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Abstract

This paper gives an account of the experimental arrangement, the beam properties, and the methods of data analysis for a study of photon reactions in hydrogen at energies up to 6 BeV. The values of cross sections as a function of photon energy are presented for γ+p→p+π0, γ+p→n+π+, γ+p→p+π++π-, γ+p→n+π++π++π-, γ+p→p+π++π-+π0, γ+p→p+π++π++π-+π-, and γ+p→(strange particles), as well as a lower limit for the γ+p total cross section. In addition, momentum and angular distributions in the laboratory system are given for protons and charged pions from the non-strange-particle reactions.

Original languageEnglish
Pages (from-to)1477-1488
Number of pages12
JournalPhysical Review
Volume155
Issue number5
DOIs
StatePublished - 1967
Externally publishedYes

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