Measurement of the 20 and 90 keV resonances in the ${}^{18}{\rm O}(p,α){}^{15}$N reaction via THM

Details Measurement of the 20 and 90 keV resonances in the ${}^{18}{\rm O}(p,α){}^{15}$N reaction via THM Measurement of the 20 and 90 keV resonances in the ${}^{18}{\rm O}(p,α){}^{15}$N reaction via THM

2008-06-09

arxiv.org/abs/0806.1274v3

Phys.Rev.Lett.101:152501,2008

Physics

Nuclear Physics

Nuclear Experiment

4 pages, 4 figures, submitted to PRL

Scientific paper

10.1103/PhysRevLett.101.152501

The $^{18}{\rm O}(p,\alpha)^{15}{\rm N}$ reaction is of primary importance in several astrophysical scenarios, including fluorine nucleosynthesis inside AGB stars as well as oxygen and nitrogen isotopic ratios in meteorite grains. Thus the indirect measurement of the low energy region of the $^{18}{\rm O}(p,\alpha)^{15}{\rm N}$ reaction has been performed to reduce the nuclear uncertainty on theoretical predictions. In particular the strength of the 20 and 90 keV resonances have been deduced and the change in the reaction rate evaluated.

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