Annu. Rev. Astron. Astrophys. 1994. 32: 153-90 Copyright © 1994 by Annual Reviews. All rights reserved

Reprinted with kind permission from Annual Reviews, 4139 El Camino Way, Palo Alto, California, USA

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Key Words: heavy elements, supernovae, AGB stars, abundances

Table of Contents

• INTRODUCTION
• GENERAL CONSIDERATIONS
• Entropy and Equilibrium
• Equilibrium Nucleosynthesis
• How to Make Heavy Nuclei
• THE r-PROCESS
• The Primary r-Process
• The Secondary r-Process
• Observational Constraints
• The r-Process in Nascent Neutron Star Winds
• THE s-PROCESS
• The s-Process Mechanism
• s-Process Sites
• Constraints on s-Process Sites
• THE p-PROCESS
• General Considerations
• p-Process Sites
• Some Constraints on p-Process Models
• CONCLUSION
• REFERENCES