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-\"Uhling-Uhlenbeck (BUU) type. In particular, φ, K+ and K- yields and spectra are compared to the data mesured recently by the HADES collaboration and the φ yield measured previously by the FOPI collaboration. Our results are in agreement with these data thus presenting an interpretation of the subleading role of φ decays into K-'s and confirming the importance of the strangeness-exchange channels for K- production.
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