The near threshold production of heavy mesons
in proton-proton and proton-deuteron collisions has been
studied using the internal facility COSY-11 at
Recent results on the exclusive total cross section
for the reaction pp->ppK+K-
at an excess energy of Q = 17 MeV fix the scale
of the strangeness dissociation nto two kaons.
The production of eta- and eta'-mesons in proton-proton and proton-deuteron collisions has been measured at several excess energies close to threshold. Total cross sections for the proton-proton data and recent results on the proton-deuteron data will be presented and discussed.
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Publication: Proceedings 'Hadrons in Dense Matter', GSI Darmstadt, ISSN 0720-8715, p. 35-39