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arxiv: 0905.1530 · v1 · pith:3LIG55RW · submitted 2009-05-11 · nucl-ex

Asymptotic normalization coefficient from the 12C(7Li,6He)13N reaction and the astrophysical 12C(p,g)13N reaction rate

Z. H. Li , J. Su , B. Guo , Z. C. Li , X. X. Bai , J. C. Liu , Y. J. Li , S. Q. Yan
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B. X. Wang Y. B. Wang G. Lian S. Zeng E. T. Li X. Fang W. P. Liu Y. S. Chen N. C. Shu Q. W. Fan
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Angular distribution of the 12C(7Li,6He)13N reaction at E(7Li) = 44.0 MeV was measured at the HI-13 tandem accelerator of Beijing, China. Asymptotic normalization coefficient (ANC) of 13N = 12C + p was derived to be 1.64 $\pm$ 0.11 fm$^{-1/2}$ through distorted wave Born approximation (DWBA) analysis. The ANC was then used to deduce the astrophysical $S(E)$ factors and reaction rates for direct capture in 12C(p,g)13N at energies of astrophysical relevance.

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