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

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

2012-02-25

arxiv.org/abs/1202.5603v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

5 pages, 3 figures

Scientific paper

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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