Selecting microscopic equations of state

We compare a set of equations of state derived within microscopic many-body approaches, and study their predictions as far as phenomenological data on nuclei from heavy ion collisions, and astrophysical observations on neutron stars are concerned. We find that all the data, taken together, put strong constraints not easy to be fulfilled accurately. Although no major discrepancies are found among the considered microscopic equations of state and with respect to the data, it turns out that, if one takes strictly the phenomenological constraints, the selection reduces to only one equation of state. The results provide an estimate of the uncertainty on the theoretical prediction at a microscopic level of the nuclear equation of state. DOI: 10.1103/PhysRevC.87.045803