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Heavy-ion collisions at low beam energies explore the high density regime ofstrongly-interacting matter. The dynamical evolution of these collisions can besuccessfully described by hadronic transport approaches. In March 2019, theHADES collaboration has taken data for AgAg collisions at $E_{\rm Kin}=1.58A$GeV and in this work, we provide predictions for particle production andspectra within the Simulating Many Accelerated Strongly-interacting Hadrons(SMASH) approach. The multiplicities and spectra of strange and non-strangeparticles follow the expected trends as a function of system size. Inparticular, in AuAu collisions, much higher yields of double-strange baryonswere observed experimentally than expected from a thermal model. Therefore, weincorporate a previously suggested mechanism to produce $\Xi$ baryons via raredecays of high mass $N^*$ resonances and predict the multiplicities. Inaddition, we predict the invariant mass spectrum for dilepton emission andexplore the most important sources of dileptons above 1 GeV, that are expectedto indicate the temperature of the medium. Interestingly, the overall dileptonemission is very similar to the one in AuAu collisions at $1.23 A$ GeV, a hintthat the smaller system at a higher energy behaves very similar to the largersystem at lower beam energy.

Particle Production in AgAg Collisions at $E_{\rm Kin}=1.58A$ GeV within a Hadronic Transport Approach