Physics – Nuclear Physics – Nuclear Experiment
Scientific paper
2002-01-23
J.Phys.G28:1777-1786,2002
Physics
Nuclear Physics
Nuclear Experiment
8 pages, 6 figures, plenary talk at 6th International Conference On Strange Quarks in Matter: '2001 - A Flavorspace Odyssey' (
Scientific paper
10.1088/0954-3899/28/7/332
The production of K+ and K- mesons in elementary proton-proton collision has been investigated at the Cooler Synchrotron COSY in Juelich. A high quality proton beam with low emittance and small momentum spread permitted to study the creation of these mesons very close to the kinematical threshold. The energy dependence of the total cross section is investigated using internal beam facilities providing a high accuracy particle momentum determination as well as an external non-magnetic detection setup with a large geometrical acceptance. The determination of the four-momentum vectors for all ejectiles of each registered event gives the complete kinematical information allowing to study the interaction of the outgoing particles. Results on the performed studies of the pp --> pp K+ K-, pp --> p Lambda K+ and pp --> p Sigma0 K+ reactions will be presented and their relevance to the interpretation of heavy ion collisions will be discussed.
Adam H.-H.
Budzanowski Andrzej
Czyzykiewicz Rafal
Grzonka D.
Jarczyk L.
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