
arXiv: 1510.02060
We have analyzed stellar properties of the relativistic mean-field (RMF) parametrizations shown to be consistent with the recently studied constraints related to nuclear matter, pure neutron matter, symmetry energy and its derivatives [Dutra et al., Phys. Rev. C 90, 055203 (2014)]. Our results show that only two RMF parametrizations do not allow the emergence of the direct Urca process, important aspect regarding the evolution of a neutron star. Moreover, among all approved RMF models, fourteen of them produce neutron stars with maximum masses inside the range $1.93\leqslant M/M_\odot\leqslant 2.05$, with $M_\odot$ being the solar mass. Only three models yield maximum masses above this range and a discussion on the inclusion of hyperons is presented. Finally, we have verified that the models satisfying the neutron star maximum mass constraint do not observe the squared sound velocity bound, namely, $v_s^2 < 1/3$, corroborating recent findings. However, the recently proposed $σ$-cut scheme can make the RMF models consistent with both constraints depending on the isoscalar-vector interaction of each parametrization.
Published version in Phys. Rev. C along with an erratum that corrects a technical mistake in the calculations concerning two specific parametrizations, namely, DDH\delta and DD-ME\delta. New corrected figures and tables regarding these two parametrizations are provided
High Energy Astrophysical Phenomena (astro-ph.HE), Nuclear Theory (nucl-th), Nuclear Theory, FOS: Physical sciences, Astrophysics - High Energy Astrophysical Phenomena
High Energy Astrophysical Phenomena (astro-ph.HE), Nuclear Theory (nucl-th), Nuclear Theory, FOS: Physical sciences, Astrophysics - High Energy Astrophysical Phenomena
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