Nucleosynthesis in Metal-Free and Metal-Poor Stars
Yong-Zhong Qian
TL;DR
This paper reviews recent advances in understanding nucleosynthesis in metal-free and metal-poor stars, focusing on sources of light and heavy elements at low metallicities and their astrophysical origins.
Contribution
It synthesizes recent theoretical and observational developments on nucleosynthesis processes at low metallicities, highlighting new insights into element origins.
Findings
Li6 origin clarified
Primary N production discussed
Supernova sources for various metals analyzed
Abstract
There have been a number of important recent developments in theoretical and observational studies of nucleosynthesis, especially regarding nucleosynthetic sources at low metallicities. Those selected for discussion here include the origin of Li6, the primary production of N, the s-process, and the supernova sources for three groups of metals: (1) C to Zn with mass numbers A<70, (2) Sr to Ag with A~90-110, and (3) r-process nuclei with A~130 and above.
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