Abstract
We study the local dynamic polarization potential (DPP) component of the ${}^{6}\mathrm{He}+p$ interaction, determining that part which is due to breakup processes. Results are presented for c.m. energies of 21.57 and 35.06 MeV. The DPP is found by subjecting the elastic scattering S matrix from continuum-discretized coupled-channels calculations to S matri$\stackrel{\ensuremath{\rightarrow}}{\mathrm{x}}$potential inversion. The iterative-perturbative inversion method is employed, and the method is shown to give reliable potentials down to projectile-target separation close to zero, a necessary requirement for this case. The contributions of different continuum states are compared, and the way they interact to give the overall DPP is studied. The DPP is found to be very different from that determined using the weighted trivially equivalent approximate method.
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