Stellar core collapse - A Boltzmann treatment of neutrino-electron scattering

Details Stellar core collapse - A Boltzmann treatment of neutrino-electron scattering Stellar core collapse - A Boltzmann treatment of neutrino-electron scattering

Jun 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993apj...410..740m&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 410, no. 2, p. 740-760.

Statistics

Computation

73

Electron Scattering, Gravitational Collapse, Neutrinos, Nuclear Astrophysics, Stellar Cores, Supernovae, Boltzmann Transport Equation, Computational Astrophysics, Entropy, Leptons, Partial Differential Equations, Stellar Evolution

Scientific paper

A simulation has been conducted of a realistic gravitational collapse in which neutrino-electron scattering is not approximated in the neutrino transport equation. The simulation code is based on the Newtonian gravity, the O(v/c) Lagrangian hydrodynamic equations, and the O(v/c) neutrino Boltzmann equation. Only electron-neutrino weak interactions were included; these encompass electron capture on nuclei and free protons, electron-neutrino absorption on nuclei and free neutrons, conservative scattering of electron-neutrinos on free protons and neutrons, conservative coherent scattering of electron-neutrinos on nuclei, and neutrino-electron scattering.

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