Astronomy and Astrophysics – Astrophysics
Scientific paper
2003-02-21
Nucl.Phys. A718 (2003) 380-382
Astronomy and Astrophysics
Astrophysics
3 pages, 1 figure, for Nuclei in the Cosmos VII proceedings to appear in Nuclear Physics A
Scientific paper
10.1016/S0375-9474(03)00804-2
Big bang nucleosynthesis (BBN) and the cosmic microwave background (CMB) anisotropies independently predict the universal baryon density. Comparing their predictions will provide a fundamental test on cosmology. Using BBN and the CMB together, we will be able to constrain particle physics, and predict the primordial, light element abundances. These future analyses hinge on new experimental and observational data. New experimental data on nuclear cross sections will help reduce theoretical uncertainties in BBN's predictions. New observations of light element abundances will further sharpen BBN's probe of the baryon density. Observations from the MAP and PLANCK satellites will measure the fluctuations in the CMB to unprecedented accuracy, allowing the precise determination of the baryon density. When combined, this data will present us with the opportunity to perform precision cosmology.
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