19-21 noviembre 2024
Madrid
Europe/Madrid timezone

Hyperons in hot neutron stars

19 nov. 2024 18:08
7m
Red Temática de Física Nuclear (FNUC) Red FNUC (Red Temática de Física Nuclear)

Ponente

Hristijan Kochankovski (Universitat de Barcelona)

Descripción

In this work, a temperature-dependent equation of state of nuclear
and hyperonic matter suitable for use in relativistic simulations of neutron
star mergers and supernovae is presented. We investigate the impact of
the uncertainty in the hyperonic sector on the astrophysical observables.
We show that these uncertainties have a significant effect on the global
properties of the stars, such as mass, radius, tidal deformability, and moment of inertia. The effects are mostly visible for the most massive stars
and at higher temperature, where the hyperon abundance is significant.
The findings directly impact the results of relativistic simulations involving
neutron star mergers and supernovae, as they underscore the importance
of incorporating hyperonic uncertainties to guarantee the precision and
dependability of these simulations in astrophysical scenarios.

Autores primarios

Hristijan Kochankovski (Universitat de Barcelona) Angels Ramos Gomez (Universitat de Barcelona) Laura Tolos (IEEC-CSIC)

Materiales de la presentación

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