Abstract
We present a microscopic study on the fusion reactions C14,15+Th232 by emphasizing the effect of deformed halo structure on reaction dynamics within the framework of time-dependent density functional theory. The internuclear potentials are obtained by using the density-constraint frozen Hartree-Fock approach and then are adopted to calculate the fusion cross sections of C14,15+Th232, taking all the orientations of deformed reactants into account. Our microscopic calculations not only reproduce the enhancement of fusion cross sections at sub-barrier energies without any adjustable parameters, but also reveal the underlying mechanism of this enhancement, which is driven by the deformed halo structure of C15. More interestingly, by performing particle number projection based on the wave functions from time-dependent Hartree-Fock simulation, we find that the one-neutron transfer probabilities are more sensitive to the orientations of C15 than Th232, indicating the notable effects of halo structure on the reaction dynamics.Received 30 August 2022Accepted 17 November 2022DOI:https://doi.org/10.1103/PhysRevC.107.L011601©2023 American Physical SocietyPhysics Subject Headings (PhySH)Research AreasNuclear density functional theoryNuclear reactionsUnstable nuclei induced nuclear reactionsNuclear Physics
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