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Open Access Publications from the University of California

Strangeness production via resonances in heavy-ion collisions at energies available at the GSI Schwerionensynchrotron

  • Author(s): Steinberg, V
  • Staudenmaier, J
  • Oliinychenko, D
  • Li, F
  • Erkiner, O
  • Elfner, H
  • et al.

Production of strange hadrons in elementary and heavy-ion reactions is studied with the hadronic transport approach called simulating many accelerated strongly interacting hadrons. The poorly known branching ratios of the relevant hadronic resonances are constrained from the known elementary hadronic cross sections and from invariant mass spectra of dileptons. The constrained model is employed as a baseline to compare to heavy-ion-collision experiments at low energies [Ekin=(1-2)AGeV] and to predict some of the upcoming pion-beam results at the High-Acceptance Di-Electron Spectrometer, which are expected to be sensitive to the resonance properties. The employed vacuum-resonance approach proves to be viable for small systems at these energies, but for large systems additional in-medium effects might be required.

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