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Medium effects in proton-induced $K^{0}$ production at 3.5 GeV

Abstract : We present the analysis of the inclusive $K^{0}$ production in p+p and p+Nb collisions measured with the HADES detector at a beam kinetic energy of 3.5 GeV. Data are compared to the GiBUU transport model. The data suggest the presence of a repulsive momentum-dependent kaon potential as predicted by the Chiral Perturbation Theory (ChPT). For the kaon at rest and at normal nuclear density, the ChPT potential amounts to $\approx 35$ MeV. A detailed tuning of the kaon production cross sections implemented in the model has been carried out to reproduce the experimental data measured in p+p collisions. The uncertainties in the parameters of the model were examined with respect to the sensitivity of the experimental results from p+Nb collisions to the in-medium kaon potential.
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http://hal.in2p3.fr/in2p3-01006053
Contributor : Sophie Heurteau <>
Submitted on : Friday, June 13, 2014 - 3:54:52 PM
Last modification on : Wednesday, September 16, 2020 - 4:08:49 PM

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G. Agakishiev, O. Arnold, D. Belver, A. Belyaev, J. C. Berger-Chen, et al.. Medium effects in proton-induced $K^{0}$ production at 3.5 GeV. Physical Review C, American Physical Society, 2014, 90 (5), pp.054906. ⟨10.1103/PhysRevC.90.054906⟩. ⟨in2p3-01006053⟩

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