The S matrices of elastic α-12C scattering at low energies in effective field theory
Abstract
The elastic α-12C scattering at low energies for l=0,1,2,3,4,5,6 is studied in effective field theory. We discuss the construction of the S matrices of elastic α-12C scattering in terms of the amplitudes of sub-threshold bound and resonant states of 16O, which are calculated from the effective Lagrangian. The parameters appearing in the S matrices are fitted to the phase shift data below the p-15N breakup threshold energy, and we find that the phase shifts are well described within the theory.
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