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Beta-Particle Transport and Thermalization in Kilonova Ejecta with Detailed Atomic Microphysics
Zachary L. Andalman, Christopher L. Fryer, Christopher J. Fontes +2
When two neutron stars collide, they eject material containing heavy nuclei formed by the rapid neutron capture process (-process). As these nuclei decay, they power a bright op…
A comparison of three neodymium atomic data sets for kilonova modeling
Christopher J. Fontes, Nicholas Vieira, Chris L. Fryer +4
We examine the impact of input neodymium (Nd) atomic data on the light curves and spectra of kilonovae, probing the sensitivity of kilonova observables to the atomic physics of thi…
A Method for Thermal Radiation Transport Using Backward Characteristic Tracing
J. C. Dolence, H. R. Hammer, H. Park +3
Thermal radiation transport is a challenging problem in computational physics that has long been approached primarily in one of a few standard ways: approximate moment methods (for…