Comparison of η and η′ production in the p p → p p η(η′) reactions near threshold

F. Hibou, O. Bing, M. Boivin, P. Courtat, G. Fäldt, R. Gacougnolle, Y. Le Bornec, J. M. Martin, A. Moalem, F. Plouin, A. Taleb, B. Tatischeff, C. Wilkin, N. Willis, R. Wurzinger

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Abstract

The total cross section of the p p → p p η′ reaction has been measured at two energies near threshold by detecting the final protons in a magnetic spectrometer. The values obtained are about a factor of 70 less than for the corresponding η production, in good agreement with the predictions of a one-pion-exchange model.

Original languageEnglish
Pages (from-to)41-46
Number of pages6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume438
Issue number1-2
DOIs
StatePublished - 15 Oct 1998

Keywords

  • Mass
  • Production threshold
  • η, η′ mesons

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