New Detremination Method of Primordial Li Abundance

Details New Detremination Method of Primordial Li Abundance New Detremination Method of Primordial Li Abundance

2000-05-12

arxiv.org/abs/astro-ph/0005283v1

Astronomy and Astrophysics

Astrophysics

6 pages including 3 figures, To appear in "The Light Elements and Their Evolution," IAU Symposium 198, ASP Conference Series,

Scientific paper

We discuss the primordial nucleosynthesis in lepton asymmetric Universe models. In order to better estimate the universal baryon-mass density parameter $\Omega_b$, we try to remove the uncertainty from the theoretical prediction of primordial $^7$Li abundance. We propose a new method to determine the primordial $^7$Li by the use of isotopic abundance ratio $^7$Li/$^6$Li in the interstellar medium which exhibits the minimum effects of the stellar processes.

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