The paper presents the results of experiments on measuring the cross sections for elastic scattering and nucleon transfer channels in the ⁶Li + ⁹Be reaction at an incident energy of 68 MeV: ⁹Be(⁶Li,⁶Li)⁹Be, ⁹Be(⁶Li,⁷Li)⁸Be, ⁹Be(⁶Li,⁷Li)⁸Be₂₊, ⁹Be(⁶Li,⁸Li)⁷Be, ⁹Be(⁶Li,⁷Be)⁸Li. The aim is to reveal the manifestation of the cluster structure of ⁹Be. Theoretical analysis of the contributions of one-step and two-step neutron transfer mechanisms is performed using the distorted wave Born approximation method with the Fresco code. Good agreement between the calculations and the experimental data was obtained for the channels of elastic scattering ⁹Be(⁶Li,⁶Li)⁹Be, neutron ⁹Be(⁶Li,⁷Li)⁸Be and proton transfer ⁹Be(⁶Li,⁷Be)⁸Li, as well as the transfer of two neutrons ⁹Be(⁶Li,⁸Li)⁷Be. It is shown that the dineutron cluster transfer mechanism makes a dominant contribution to the ⁹Be(⁶Li,⁸Li)⁷Be reaction channel at forward angles.
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Aidos et al. (2024) studied this question.
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