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Comparison of Lambda and Sigma(0) Threshold Production in Proton-Proton Collisions
S. Sewerin, G. Schepers, J. T. Balewski +27
Threshold measurements of the associated strangeness production reactions pp --> p K(+) Lambda and pp --> p K(+) Sigma(0) are presented. Although slight differences in the shapes o…
The Reaction and the Validity of the OZI Rule
J. Haidenbauer, K. Nakayama, J. W. Durso +2
The reaction is investigated within a relativistic meson-exchange model of hadronic interactions. The possibility of extracting the coupling constant from a stu…
On the treatment of interaction effects in meson production in collisions
C. Hanhart, K. Nakayama
We clarify under what circumstances the nucleon--nucleon final state interaction fixes the energy dependence of the total cross--section for the reaction close to prod…
Role of the isobar in the reaction near threshold
C. Hanhart, J. Haidenbauer, O. Krehl +1
A model calculation for pion production in nucleon-nucleon collisions is presented. Direct production, pion rescattering and contributions from pair diagrams are taken into account…
production in proton-proton scattering close to threshold}
P. Moskal, J. T. Balewski, A. Budzanowski +27
The (958) reaction has been measured at COSY using the internal beam and the COSY-11 facility. The total cross sections at the four different excess energies…
Total Cross Section of the Reaction pp \to pK^+ΛClose to Threshold
J. T. Balewski, A. Budzanowski, H. Dombrowski +31
The energy dependence of the total cross section for the pp \to pK^+Λreaction was measured in the threshold region covering the excess energy range up to 7MeV. Existing model calcu…