Limits on the hadronic production of D(1865) charmed mesons

J. G. Branson, K. T. McDonald, G. H. Sanders, A. J.S. Smith, J. J. Thaler, K. J. Anderson, G. G. Henry, J. E. Pilcher, E. I. Rosenberg

Research output: Contribution to journalReview articlepeer-review


Our published measurements have shown that lepton pairs account for the bulk of the single prompt muons produced in p-nucleus collisions. We now use our results to set limits on the cross section σDD̄= σD0D̄0+σD+D-, finding with 95% confidence that σDD̄<26 μb at s=19.4 GeV, and σDD̄<59 μb at s=27.4 GeV. These limits are at the level of the recently reported cross sections for charmed particles observed in neutrino "beam-dump" experiments, and are 10 times higher than σDD̄ expected from a simple extrapolation of the cross section for Jψ production.

Original languageEnglish (US)
Pages (from-to)337-339
Number of pages3
JournalPhysical Review D
Issue number1
StatePublished - 1979

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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