A primordial r-process?
Abstract
Baryon density inhomogeneities in the early universe can give rise to a floor of heavy elements (up to A≈ 270) produced in a primordial r-process with fission cycling. A parameter study with variation of the global baryon to photon ratio η, and under inclusion of neutron diffusion effects was performed. New results concerning the dependence of the results on nuclear physics parameters are presented.
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