Comparison of eta and eta' production in the pp -> pp eta(eta') reactions near threshold
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nearproductionthresholdagreementbeencomparisoncorrespondingcross
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The total cross section of the pp -> pp eta' 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 eta production, in good agreement with the predictions of a one-pion-exchange model.
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