Partial photoproduction cross sections up to 12 GeV

J. Ballam*, G. B. Chadwick, Z. G.T. Guiragossián, P. Klein, A. Levy, M. Menke, E. Pickup, T. H. Tan, P. Seyboth, G. Wolf

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


The Stanford Linear Accelerator Center 40-in. hydrogen bubble chamber has been exposed to positron-electron annihilation radiation at 5 and 7.5 GeV, which was superimposed upon a background of bremsstrahlung radiation with 12-GeV maximum energy. Reaction cross sections for events with no neutral particles are presented for all energies up to 12 GeV, for one neutral at 5 and 7.5 GeV, and for multineutral production at 7.5 GeV.

Original languageEnglish
Pages (from-to)1541-1544
Number of pages4
JournalPhysical Review Letters
Issue number22
StatePublished - 1968


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