Nuclear astrophysics: Recent results on CNO-cycle reactions and AGB nucleosynthesis

La Cognata, M. (2011) Nuclear astrophysics: Recent results on CNO-cycle reactions and AGB nucleosynthesis. Il nuovo cimento C, 34 (6). pp. 139-143. ISSN 1826-9885

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Nuclear astrophysics aims to measure nuclear-reaction cross sections of astrophysical interest to be included into models to study stellar evolution and nucleosynthesis. Low energies, < 100 keV, are requested for this is the window where these processes are more effective. Two effects have prevented to achieve a satisfactory knowledge of the relevant nuclear processes, namely the Coulomb barrier exponentially suppressing the cross section and the presence of atomic electrons. These difficulties have triggered theoretical and experimental investigations to extend our knowledge down to astrophysical energies. For instance, indirect techniques such as the Trojan Horse Method and new experimental facilities such as deep underground laboratories have been devised yielding new cutting-edge results.

Item Type: Article
Uncontrolled Keywords: Hydrostatic stellar nucleosynthesis ; Fusion and fusion-fission reactions
Subjects: 500 Scienze naturali e Matematica > 530 Fisica
Depositing User: Marina Spanti
Date Deposited: 10 Apr 2020 15:00
Last Modified: 10 Apr 2020 15:00

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