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**Session 8 - Relativistic Astrophysics.**

*Display session, Wednesday, January 07*

*Exhibit Hall, *

## [8.05] Light Element Nucleosynthesis

*S. Vahidinia (UCB/LBNL/UCSD), G. Fuller (UCSD)*

The weak interaction rates of nuclei may be important for calculating
the dynamics and nucleosynthesis yields of many astrophysical
environments. The lepton (electron, positron, neutrino, antineutrino)
capture rates and beta decay and positron decay rates for heavy
elements (mass number A=21-60) have been calculated as functions of
temperature and density in previous work. Here we extend a similar
systematic calculation of these rates to the the light nuclei. We
estimate lepton capture and decay rates for nuclear mass numbers
A=1-20 on a grid of temperatures and densities relevant for
nucleosynthesis environments in stars and in the early universe.

\bigskip

Acknowledgements: NSF REU Program, UCSD; NSF PHY95-03384

**Program
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