Abstract

In the present work, results of measurements of quasi‐elastic scattering cross sections using a silicon‐telescope detector at backward angles are reported. They allowed us to deduce fusion barrier distributions from the first derivative of the corresponding excitation function (−d(dσqes/dσRut)/dE). We report data for the systems 6,7Li on 144Sm which are characterized by loosely bound projectiles onto a closed neutron shell target. The experimental excitation functions and the associated barrier distributions are compared for both systems.

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