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Article Contents

ABSTRACT

1.INTRODUCTION

2.AN OVERVIEW OF BBN

2.1.Early Evolution

2.2.Building the Elements

2.3.The SBBN-predicted Abundances

2.4.Nonstandard BBN

3.PRIMORDIAL ABUNDANCES

3.1.Deuterium

3.2.Helium-3

3.3.Helium-4

3.4.Lithium-7

4.CONFRONTATION OF THEORY WITH DATA

4.1.Testing the Standard Model

4.2.Nonstandard Expansion Rate: S 1 ( N 0)

4.3.Neutrino Asymmetry (_e 0)

5.SUMMARY AND CONCLUSIONS

REFERENCES