Abstract
An analytical expression for the dynamic polarization potential due to second-order effects of dipole Coulomb excitation is obtained. This potential is local, complex and depends on the scattering and excitation energy of the dipole state. The effect of this polarization potential on the elastic scattering of a halo nucleus-like on heavy target nuclei at energies close to and below the Coulomb barrier is investigated. As a consequence of the low energy of the threshold of the dipole states in such a nucleus, the effect of dipole coupling on its elastic scattering is seen to be very strong. In a spin- nucleus-like , the second-order effect from dipole coupling is seen to induce a spin - orbit potential with a resulting prediction of a non-negligible vector polarization of the elastically scattered projectile.
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