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Article Contents

TITLE PAGE

1.INTRODUCTION

2.NUCLEOSYNTHESIS IN THE EARLY UNIVERSE
2.1.Weak Equilibrium and the 4He Abundance
2.2.Deuterium - The Ideal Baryometer
2.3.Helium-3 - Complicated Evolution
2.4.Lithium-7 - The Lithium Valley

3.FROM HERE AND NOW TO THERE AND THEN
3.1.Deuterium
3.2.Helium-4
3.3.Lithium-7

4.CONFRONTATION OF THEORY WITH DATA
4.1.Comparison of BBN with Non-BBN Baryon Density Estimates

5.COSMOLOGY CONSTRAINS PARTICLE PHYSICS

6.SUMMARY

REFERENCES