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The production of proton-rich isotopes beyond iron: The γ-process in stars

Pignatari, Marco; Göbel, Kathrin; Reifarth, René; Travaglio, Claudia

Abstract

© 2016 World Scientific Publishing Company. Beyond iron, a small fraction of the total abundances in the Solar System is made of proton-rich isotopes, the p-nuclei. The clear understanding of their production is a fundamental challenge for nuclear astrophysics. The p-nuclei constrain the nucleosynthesis in core-collapse and thermonuclear supernovae. The γ-process is the most established scenario for the production of the p-nuclei, which are produced via different photodisintegration paths starting on heavier nuclei. A large effort from nuclear physics is needed to access the relevant nuclear reaction rates far from the valley of stability. This review describes the production of the heavy proton-rich isotopes by the γ-process in stars, and explores the state of the art of experimental nuclear physics to provide nuclear data for stellar nucleosynthesis.

Journal Article Type Article
Publication Date 2016-04
Journal International journal of modern physics. E
Print ISSN 0218-3013
Electronic ISSN 1793-6608
Publisher World Scientific Publishing
Peer Reviewed Peer Reviewed
Volume 25
Issue 4
Article Number 1630003
DOI https://doi.org/10.1142/s0218301316300034
Keywords Nuclear astrophysics, Stars
Publisher URL http://www.worldscientific.com/doi/10.1142/S0218301316300034
Additional Information Author's accepted manuscript of article published in: International journal of modern physics. E, 2016, v.25, issue 4, article number 1630003.

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