Meson Production and Meson Properties at Finite Nuclear Density

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dc.creatorCassing, W.
dc.date1998-06-18
dc.date.accessioned2026-07-07T05:42:27Z
dc.date.available2026-07-07T05:42:27Z
dc.descriptionThe properties of $π, η, K^+$ and $K^-$ mesons are studied in nuclear reactions from SIS to SPS energies within the covariant transport approach HSD in comparison to the experimental data. Whereas the pion, $η$ and kaon abundancies and spectra indicate little or vanishing selfe-nergies for these mesons in the medium, antikaons (as well as antiprotons) are found to experience strong attractive potentials in nucleus-nucleus collisions at SIS energies. However, even when including these potentials the $K^+$ and $K^-$ spectra at AGS energies are noticeably underestimated showing an experimental excess of strangeness that points towards a nonhadronic phase in these reactions. On the other hand the $K^+, K^-$ production at SPS energies is well described by the hadronic approach without incorporating any parton degrees of freedom.
dc.description9 pages, LaTeX, including 5 postscript figures and appb.sty; Talk presented at the Workshop on 'The Structure of Mesons, Baryons and Nuclei', Cracow, May 1998, to be published in Acta Physica Polonica B
dc.identifierhttps://arxiv.org/abs/nucl-th/9806051
dc.identifierhttp://arxiv.org/abs/nucl-th/9806051
dc.identifierActa Phys.Polon. B29 (1998) 3175-3183
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/82935
dc.subjectNuclear Theory
dc.titleMeson Production and Meson Properties at Finite Nuclear Density
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