Multiple Nucleosynthesis Processes in the Early Universe

Details Multiple Nucleosynthesis Processes in the Early Universe Multiple Nucleosynthesis Processes in the Early Universe

Aug 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008fpnr.conf..573m&link_type=abstract

FISSION AND PROPERTIES OF NEUTRON-RICH NUCLEI. Proceedings of the Fourth International Conference. Held 11-17 November 2007 in S

Astronomy and Astrophysics

Astrophysics

Galaxy: Abundances -- Nuclear Reactions, Nucleosynthesis, Abundances -- Stars: Formation

Scientific paper

Spectroscopic observations of metal-poor stars along with meteoritic data suggest that an additional nucleosynthesis mechanism besides the r- and s- processes is necessary to be able to explain some of the abundances in those stars and in the solar system. Although it has recently been postulated that a light element primary process (LEPP) creating 10-30% of the abundance of elements Z ≤ 47 satisfies the abundance requirements, the nature and location of such process is not known with certainty. Different ideas about the astrophysical nature of the LEPP and current open questions are presented.

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