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

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arxiv 1202.5603 v1 pith:APFJ5OMH submitted 2012-02-25 astro-ph.CO hep-phnucl-th

Motohiko Kusakabe , A.B. Balantekin , Toshitaka Kajino , Y. Pehlivan This is my paper · ORCID
classification astro-ph.COhep-phnucl-th
keywords modelabundanceaxionhybridnucleosynthesisaxionsbig-bangconcordance
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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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