Nuclear reactions in astrophysics.

Details Nuclear reactions in astrophysics. Nuclear reactions in astrophysics.

Jun 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990anph...15..183a&link_type=abstract

Ann. Phys. (Paris), Vol. 15, No. 3, p. 183 - 254

Physics

Nuclear Physics

9

Chemical Evolution: Galaxies, Nucleosynthesis, Nuclear Burning: Stellar Models, Solar System: Chemical Composition

Scientific paper

At all times and at all astrophysical scales, nuclear reactions have played and continue to play a key role. This concerns the energetics as well as the production of nuclides (nucleosynthesis). After a brief review of the observed composition of various objects in the universe, and especially of the solar system, the basic ingredients that are required in order to build up models for the chemical evolution of galaxies are sketched. Special attention is paid to the evaluation of the stellar yields through an overview of the important burning episodes and nucleosynthetic processes that can develop in non-exploding or exploding stars. Emphasis is put on the remaining astrophysical and nuclear physics uncertainties that hamper a clear understanding of the observed characteristics, and especially compositions, of a large variety of astrophysical objects.

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