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Analytic continuation as a bridge between continuum and bound states

Leonid Blokhintsev, Dmitry Savin, L. Bravina, Y. Foka, S. Kabana
2015 EPJ Web of Conferences  
The problem of obtaining characteristics of bound nuclear states from continuum states data is discussed. It is shown that the ambiguities due to the existence of phase-equivalent potentials can be resolved by using the analytic properties of scattering amplitudes. The methods of determination of asymptotic normalization coefficients and vertex constants are considered. The asymptotic normalization coefficients for 6 Li in the α+d channel are found by analytic continuation of the two-channel
more » ... the two-channel effective range expansion. The account of inelastic channels within the effective range approach is discussed.
doi:10.1051/epjconf/20159504008 fatcat:iuafab3s7fa5hnijj7yfrxtxrm