Solution to Big-Bang Nucleosynthesis in Hybrid Axion Dark Matter Model

preprint2012arXivOpen access

Abstract

Following a recent suggestion of axion cooling of photons between the nucleosynthesis and recombination epochs in the Early Universe, we investigate a hybrid model with both axions and relic supersymmetric particles. In this model we demonstrate that the 7Li abundance can be consistent with observations without destroying the important concordance of deuterium abundance.

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