Proto-neutron star evolution with improved charged-current neutrino-nucleon interactions - Laboratoire Univers et Théories Accéder directement au contenu
Article Dans Une Revue Monthly Notices of the Royal Astronomical Society Année : 2022

Proto-neutron star evolution with improved charged-current neutrino-nucleon interactions

Résumé

We perform simulations of the Kelvin-Helmholtz cooling phase of proto-neutron stars with a new numerical code in spherical symmetry and using the quasi-static approximation. We use for the first time the full set of charged-current neutrino-nucleon reactions, including neutron decay and modified Urca processes, together with the energy-dependent numerical representation for the inclusion of nuclear correlations with random-phase approximation. Moreover, convective motions are taken into account within the mixing-length theory. As we vary the assumptions for computing neutrino-nucleon reaction rates, we show that the dominant effect on the cooling timescale, neutrino signal and composition of the neutrino-driven wind comes from the inclusion of convective motion. Computation of nuclear correlations within the random phase approximation, as compared to mean field approach, has a relatively small impact.
Fichier principal
Vignette du fichier
code_pns.pdf (934.89 Ko) Télécharger le fichier
Origine : Fichiers produits par l'(les) auteur(s)

Dates et versions

hal-03512018 , version 1 (05-01-2022)

Identifiants

Citer

A Pascal, J Novak, M Oertel. Proto-neutron star evolution with improved charged-current neutrino-nucleon interactions. Monthly Notices of the Royal Astronomical Society, 2022, 511 (1), pp.356-370. ⟨10.1093/mnras/stac016⟩. ⟨hal-03512018⟩
28 Consultations
42 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More