Electron capture and shock formation in core-collapse supernovae

O. E. Bronson Messer; W. Raphael Hix; Matthias Liebendörfer; Anthony Mezzacappa

doi:10.1016/S0375-9474(03)00846-7

Electron capture and shock formation in core-collapse supernovae

O. E. Bronson Messer, W. Raphael Hix, Matthias Liebendörfer, Anthony Mezzacappa

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Abstract

New supernova progenitor models incorporating modern electron capture and beta decay rates have recently become available. One of the more notable differences in these new models is an increase in the electron fraction throughout the iron core when compared to earlier models. We describe fully self-consistent radiation hydrodynamic simulations of core collapse and shock formation using both sets of models, including both a standard set of electron capture rates for supernova simulations and a parameterized scheme meant to approximate the modern updates.

Original language	English
Pages (from-to)	449-451
Number of pages	3
Journal	Nuclear Physics A
Volume	723
Issue number	1-2
DOIs	https://doi.org/10.1016/S0375-9474(03)00846-7
State	Published - Jul 28 2003

Funding

National Science Foundation under contract AST-987713, and NASA under contract NAG5-3903. Oak Ridge National Laboratory is managed by UT-Battelle, LLC, for the U.S. Department of Energy under contract DE-AC05-OOOR22725. support from the U.S. Department of Energy Scientific Discovery Cornputing Program, the Joint Institue for Heavy Ion Research, the

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AU - Hix, W. Raphael

AU - Liebendörfer, Matthias

AU - Mezzacappa, Anthony

PY - 2003/7/28

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AB - New supernova progenitor models incorporating modern electron capture and beta decay rates have recently become available. One of the more notable differences in these new models is an increase in the electron fraction throughout the iron core when compared to earlier models. We describe fully self-consistent radiation hydrodynamic simulations of core collapse and shock formation using both sets of models, including both a standard set of electron capture rates for supernova simulations and a parameterized scheme meant to approximate the modern updates.

UR - https://www.scopus.com/pages/publications/0038586457

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Electron capture and shock formation in core-collapse supernovae

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