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The consistency of the measured abundances of deuterium and 4 He relative to hydrogen with the predictions of the standard Big-Bang Nucleosynthesis(BBN)model is a major triumph of modern cosmology.However,there remain significant discrepancies between observations and predictions for the absolute abundances in 7Li and 6Li nuclide.Similar to the 7Li case,the 6Li abundance observed in metal-poor halo
The consistency of the measured abundances of deuterium and 4 He relative to hydrogen with the predictions of the standard Big-Bang Nucleosynthesis (BBN) model is a major triumph of modern cosmology. There are significant discrepancies between observations and predictions for the absolute benefits in 7Li and 6Li nuclide. Similar to the 7Li case, the 6Li abundance observed in metal-poor halo