Big Bang Nucleosynthesis: an accurate determination of light element yields
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We report the results of a new accurate evaluation of light nuclei yields in primordial nucleosynthesis. All radiative effects, finite nucleon mass, thermal and plasma corrections are included in the proton to neutron conversion rates. The relic densities of He4, D and Li7 have been numerically obtained via a new updated version of the standard BBN code. In particular the theoretical uncertainty on He4 is reduced to the order of 0.1%.
plain LaTeX, 35 pages, 10 figure.ps and 4 figure.eps
plain LaTeX, 35 pages, 10 figure.ps and 4 figure.eps