Transport analysis of K+ production in proton-nucleus reactions

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dc.creatorRudy, Z.
dc.creatorCassing, W.
dc.creatorJarczyk, L.
dc.creatorKamys, B.
dc.creatorKowalczyk, A.
dc.creatorKulessa, P.
dc.date2004-11-02
dc.date.accessioned2026-07-07T12:54:28Z
dc.date.available2026-07-07T12:54:28Z
dc.descriptionThe production of $K^+$ mesons in proton-nucleus collisions from 1.0 to 2.3 GeV is analyzed with respect to one-step nucleon-nucleon $(NN\to N Y K^+$) and two-step $Δ$-nucleon $(ΔN \to K^+ Y N$) or pion-nucleon $(πN \to K^+ Y $) production channels on the basis of a coupled-channel transport approach (CBUU) including the kaon final-state-interactions (FSI). Momentum-dependent potentials for the nucleon, hyperon and kaon in the final state are included as well as $K^+$ elastic rescattering in the target nucleus. The transport calculations are compared to the experimental $K^+$ spectra taken at COSY-Jülich. Our systematic analysis of $K^+$ spectra from $^{12}C$, $^{63}Cu$, $^{107}Ag$ and $^{197}Au$ targets as well as their momentum differential ratios gives a repulsive $K^+$ potential of $20\pm 5 $ MeV at normal nuclear matter density.
dc.description7 pages, 5 figures, submitted to Eur. Phys. J. A
dc.identifierhttps://arxiv.org/abs/nucl-th/0411009
dc.identifierhttp://arxiv.org/abs/nucl-th/0411009
dc.identifierEur.Phys.J.A23:379-385,2005; Erratum-ibid.A24:159,2005
dc.identifierdoi:10.1140/epja/i2004-10108-7
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/223941
dc.subjectNuclear Theory
dc.titleTransport analysis of K+ production in proton-nucleus reactions
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