AGB fluorine nucleosynthesis studied by means of Trojan-horse method: the case of N-15(p,alpha)C-12

R. G. Pizzone,C. Spitaleri,M. La Cognata,S. Cherubini,V. Crucilla,M. Gulino,L. Lamia,S. M. R. Puglia,G. G. Rapisarda,S. Romano, S. Sergi,A. Tumino, R E Tribble,L. Trache,Chenglong Fu,V Z Goldberg,A M Mukhamedzhanov,G. Tabacaru

Frontiers in Nuclear Strucutre, Astrophysics, and Reactions: Finustar 2（2008）

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摘要

The low-energy bare-nucleus cross section for N-15(p,alpha)C-12 is extracted by means of the Trojan-horse Method applied to the H-2(N-15,alpha)C-12)n reaction at E-beam=60 MeV. The astrophysical S-factor is deduced and compared to the direct data in the same energy region. A fair agreement with direct data down to 80 keV is found if energy resolution effects are taken into account.

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关键词

stars : abundances,stars : asymptotic giant branch,stars : fluorine nucleosynthesis,nuclear reactions : astrophysical S-factor

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