Resonances and final-state interactions in the reaction pp → pK+Λ |
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Authors: | A Sibirtsev J Haidenbauer H -W Hammer S Krewald |
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Institution: | 1. Helmholtz-Institut für Strahlen- und Kernphysik (Theorie), Universit?t Bonn, Nu?allee 14-16, D-53115, Bonn, Germany 2. Institut für Kernphysik (Theorie), Forschungszentrum Jülich, D-52425, Jülich, Germany
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Abstract: | A study of the strangeness production reaction pp → pK+Λ for excess energies of ε≤150MeV, accessible at high-luminosity accelerator facilities like COSY, is presented. Methods to
analyze the Dalitz plot distribution and angular spectra in the Jackson and helicity frames are worked out and suitable observables
for extracting information on low-lying resonances that couple to the KΛ system and for determining the Λp effective-range parameters from the final-state interaction are identified and discussed. Furthermore, the chances for identifying
the reaction mechanism of strangeness production are investigated. |
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Keywords: | 13 75 Ev Hyperon-nucleon interactions 13 75 Jz Kaon-baryon interactions 14 20 Gk Baryon resonances with S = 0 25 40 Ny Resonance reactions |
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