A primordial r-process?
classification
🌌 astro-ph.HE
nucl-th
keywords
baryonprimordialr-processresultsapproxconcerningcyclingdensity
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Baryon density inhomogeneities in the early universe can give rise to a floor of heavy elements (up to $A\approx 270$) produced in a primordial r-process with fission cycling. A parameter study with variation of the global baryon to photon ratio $\eta$, 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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