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| Hauptseite > Publikationsdatenbank > Near threshold production of eta, eta' and charged kaon pairs in proton-proton collisions |
| Hauptseite > Publikationsdatenbank > Near threshold production of eta, eta' and charged kaon pairs in proton-proton collisions |
| Journal Article | PreJuSER-34078 |
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2000
North-Holland Publ. Co.
Amsterdam
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Abstract: The near threshold production of eta- and eta'-mesons in proton-proton collisions has been measured at excess energies up to 6.3 MeV and 25.0 MeV using the COSY-11 facility. In this region of excess energy the eta' cross sections are much lower compared to pi(0) and eta production. This observation rather excludes a resonant production of the eta'-meson in the threshold region, whereas such a mechanism dominates the eta production close to threshold. Furthermore, close to threshold data on the elementary K+K- production in the proton-proton interaction have been taken at excess energies up to 56.1 MeV.
Keyword(s): J
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