Origin of the p-Nuclei in Explosive Nucleosynthesis

Details Origin of the p-Nuclei in Explosive Nucleosynthesis Origin of the p-Nuclei in Explosive Nucleosynthesis

2010-12-10

arxiv.org/abs/1012.2213v1

PoS(NIC XI)059 (2010)

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

10 pages, 3 figures. Invited review talk at Nuclei in the Cosmos XI (Heidelberg, 2010), to appear in Proceedings of Science, P

Scientific paper

A number of naturally occurring, proton-rich nuclides (the p-nuclei) cannot be made in the s- and r-process. It has been found that massive stars can produce p-nuclei through photodisintegration of pre-existing intermediate and heavy nuclei. This so-called gamma-process requires sufficiently high temperatures and occurs in pre-explosive or explosive O/Ne burning, depending on the mass of the star. Although the gamma-process has been successful in producing a large range of p-nuclei, two mass regions remain problematic, A<110 and 150

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