Production of nuclei and hypernuclei in relativistic ion collisions

We develop a new theoretical approach for the description of the nucleosynthesis in collisions of relativistic ions. This includes the dynamical stage, which is described by the transport UrQMD model, and the statistical stage which suggests that the nuclei and hypernuclei are formed at subnuclear density in the coexistence region of the nuclear liquid-gas type phase transition. The analysis of experimental data and new predictions support our approach.