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We investigate heavy-ion multinucleon transfer reactions using thecoupled-channels formalism. We first use the semi-classical approximation andshow that a direct coupling between the entrance and the pair transfer channelsimproves a fit to the experimental one- and two-neutron transfer cross sectionsfor the 40Ca+96Zr and 60Ni+116Sn systems. We then discuss the validity of theperturbative approach and highlight the effect of high order terms. The effectof absorption is also investigated for energies around the Coulomb barrier.Finally, we use a quantal coupled-channels approach to achieve a simultaneousdescription of the fusion cross sections and the transfer probabilities for the40Ca+96Zr reaction. We find a significant effect of the couplings to thecollective excited states on the transfer probabilities around the Coulombbarrier.

Coupled-channels description of multinucleon transfer and fusion reactions at energies near and far below the Coulomb barrier