Experimental study of proton-induced nuclear reactions in 6,7Li

Details Experimental study of proton-induced nuclear reactions in 6,7Li Experimental study of proton-induced nuclear reactions in 6,7Li

Jan 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008jphg...35a4004c&link_type=abstract

Journal of Physics G: Nuclear and Particle Physics, Volume 35, Issue 1, pp. 014004 (2008).

Physics

5

Scientific paper

The 6Li(p,α)3He and 7Li(p,α)4He reaction cross sections were obtained for E = 90 580 keV and E = 90 1740 keV, respectively. R-matrix and polynomial fits to the bare astrophysical S-factor confirmed, with improved accuracy, previous work data, yielding Sb(0) = 3.52 ± 0.08 MeV b, and 55.6+0.8-1.7 keV b for the 6Li and 7Li reactions, respectively. Therefore, the astrophysical consequences related to these two isotopes remain essentially unchanged. With the present work Sb(E) data, a reanalysis of the low energy data for different environments—Li2WO4 insulator, Li metal, and PdLix alloys—confirms that the large electron screening effects can be explained by the plasma model of Debye applied to the quasi-free electrons in the metallic samples.

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