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Nucleosynthesis from LGRB-type accretion disks
Published online by Cambridge University Press: 22 July 2013
Abstract
We investigate the vertical structure and element distribution of neutrino-dominated accretion flows around black holes in spherical coordinates with reasonable nuclear statistical equilibrium. According to our calculations, heavy nuclei tend to be produced in a thin region near the disk surface. In this thin region, we find that 56Ni is dominant in the flow with low accretion rate (e.g., 0.05M⊙s-1). The solutions indicate that 56Ni comes from the central engine, whose decay may drive the bumps in the light curve of core-collapse supernova.
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- © EAS, EDP Sciences 2013