R-matrix Analysis for the 8Be System and Features in the p+7Li Reaction Over Resonance Region
Japan Atomic Energy Agency, Tokai-mura Naka-gun, Ibaraki 319-1195 Japan
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Published online: 21 June 2016
A comprehensive R-matrix analysis is currently underway for the 8Be compound system toward a consistent evaluation of the p+7Li reaction cross-sections over the resonance energy region. In this analysis, the energy eigenvalues are fixed to the level energies given in ENSDF, and we searched for values of the boundary condition parameters as well as the reduced-width amplitudes. It is found that some additional levels are necessary to fit the resonant shape of experimental cross-sections. Besides, the channel radii obtained may be consistent with well-known physical pictures of the atomic nucleus.
© The Authors, published by EDP Sciences, 2016
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