Role of phi decays for K- yields in relativistic heavy-ion collisions

Abstract

The production of strange mesons in collisions of Ar+KCl at a kinetic beam energy of 1.756 AGeV is studied within a transport model of Boltzmann-Ühling-Uhlenbeck (BUU) type. In particular, $\varphi ,K^{+}$ and $K^{-}$ yields and spectra are compared to the data mesured recently by the HADES collaboration and the $\varphi$ yield measured previously by the FOPI collaboration. Our results are in agreement with these data thus presenting an interpretation of the subleading role of $\varphi$ decays into $K^{-}$'s and confirming the importance of the strangeness-exchange channels for $K^{-}$ production.

24 pages, 19 figures

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Cited by in corpus (9)

• Hyperon production in Ar+KCl collisions at 1.76A GeV
• Dielectron production in Ar+KCl collisions at 1.76A GeV
• Deep sub-threshold ϕ production and implications for the K+/K- freeze-out in Au+Au collisions
• Strangeness Balance in HADES Experiments and the Xi- Enhancement
• Influence of anisotropic $\Lambda /\Sigma$ creation on the ${\Xi }^{-}$ mutiplicity in subthreshold proton-nucleus collisions
• Centrality dependence of subthreshold $\varphi$ meson production in Ni+Ni collisions at 1.9A GeV
• Systematics of yields of strange hadrons from heavy-ion collisions around threshold energies
• Probing resonance matter with virtual photons
• Dilepton and $\varphi$ meson production in elementary and nuclear collisions at the NICA fixed target experiment