\begin{document}$ ^{16} $\end{document}O\begin{document}$ +^{152,154} $\end{document}Sm, \begin{document}$ ^{184,186} $\end{document}W with deformed target nuclei were analyzed. Nuclear imaginary potentials were obtained successfully by fitting the excitation functions within the single-channel and coupled-channel frameworks, respectively. A good reproduction at the energy range between sub- and above-barrier energy regions was achieved. Results show long-range imaginary-part potential at a wide energy region covering the Coulomb barrier, consistent with the strong absorption for well-deformed systems. This work is a preliminary attempt to bridge the gap between fusion and scattering and extract the deformation parameters in the whole energy range. The subsequent systematic analysis needs to be further improved."> Extraction of nuclear imaginary potential from the excitation function of backward quasi-elastic scattering -
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