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We compare the microscopic transport models UrQMD, PHSD, PHQMD, and SMASH tomake predictions for the upcoming Ag+Ag data at $E_\mathrm{lab}=1.58$~$A$GeV($\sqrt{s_\mathrm{NN}}=2.55$~GeV) by the HADES collaboration. We studymultiplicities, spectra and effective source temperatures of protons,$\pi^{\pm,0}$, $K^\pm$, the $\eta$, $\Lambda+\Sigma^0$ and the $\Xi^-$ withinthese models. Despite variations in the detailed implementation of the dynamicsin the different models, the employed transport approaches all show consistentmultiplicities of the bulk of investigated hadrons. The main differences are inthe $\Xi^-$ production, which is treated differently between UrQMD/SMASH on oneside employing high mass resonance states with explicit decays to$\mathrm{Resonance}\rightarrow \Xi+K+K$ in contrast to PHSD/PHQMD which accountonly non-resonant $\Xi$ production channels. A comparison of the spectra,summarized by effective source temperatures, shows that all models providesimilar source temperatures around $T_\mathrm{source}=80-95$~MeV, and showsubstantial radial flow on the order of $\langle v_T\rangle=0.22c-0.3c$ evenfor such a small system.

Comparison of heavy ion transport simulations: Ag+Ag collisions at Elab = 1.58 AGeV