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Strangeness driven phase transitions in compressed baryonic matter and their relevance for neutron stars and core collapsing supernovae

Abstract : We discuss the thermodynamics of compressed baryonic matter with strangeness within non-relativistic mean-field models with effective interactions. The phase diagram of the full baryonic octet under strangeness equilibrium is built and discussed in connection with its relevance for core-collapse supernovae and neutron stars. A simplified framework corresponding to (n, p, Λ)(+e)-mixtures is employed in order to test the sensitivity of the existence of a phase transition on the (poorely constrained) interaction coupling constants and the compatibility between important hyperonic abundances and 2M ⊙ neutron stars.
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http://hal.in2p3.fr/in2p3-01163166
Contributor : Sandrine Guesnon <>
Submitted on : Friday, June 12, 2015 - 11:29:52 AM
Last modification on : Tuesday, February 19, 2019 - 10:02:03 AM

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A.R. Raduta, F. Gulminelli, M. Oertel. Strangeness driven phase transitions in compressed baryonic matter and their relevance for neutron stars and core collapsing supernovae. Exotic Nuclei and Nuclear/Particle Astrophysics (V) from nuclei to stars: Carpathian Summer School of Physics 2014, Jul 2014, Sinaia, Romania. ⟨10.1063/1.4909562⟩. ⟨in2p3-01163166⟩

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