Abstract:
In the fusion of heavy nuclei, there is a distribution of fusion barrier energies resulting from coupling between intrinsic motion and internal degrees of freedom. Precise experimental measurements of excitation functions have allowed the extraction of the distributions by taking the second derivative using a point-difference method. In the case of statically deformed nuclei, experimental data shows that the different fusion barrier energies correspond to different physical configurations of the colliding nuclei, the latter affecting the subsequent dynamical trajectories over the potential energy surface, influencing the ultimate reaction products, as for example in quasi-fission. The fusion barrier distribution is also valuable in understanding the fusion of weakly bound nuclei, enabling a reliable prediction of the expected fusion cross-sections, and thus the determination of fusion suppression factors at above-barrier energies.
Similar content being viewed by others
Author information
Authors and Affiliations
Additional information
Received: 1 May 2001 / Accepted: 4 December 2001
Rights and permissions
About this article
Cite this article
Hinde, D., Berriman, A., Butt, R. et al. Influence of entrance channel properties on heavy-ion reaction dynamics. Eur Phys J A 13, 149–154 (2002). https://doi.org/10.1140/epja1339-27
Issue Date:
DOI: https://doi.org/10.1140/epja1339-27