https://doi.org/10.1051/epjconf/202533301007
Role of Absorption Inside the Barrier For Different Weakly Bound Systems
1 Departamento de Aceleradores y Estudio de Materiales, Instituto Nacional de Investigaciones Nucleares, Apartado Postal 18-1027, Código Postal 11801, México, Distrito Federal, México.
2 Facultad de Ciencias, Universidad Autónoma del Estado de México, Instituto Literario 100, Código Postal 50000, Toluca, México.
* e-mail: sgomezr002@uaemex.mx
** e-mail: eli.aguilera@inin.gob.mx
*** e-mail: jmoralesriv@uaemex.mx
Published online: 1 August 2025
This investigation includes an analysis of the effects of the short-range absorptive potential Wint, included in the Extended Optical Model Framework (EOM) for several weakly bound systems, namely 6He+64Zn, 9Be+28Si, 14N+9Be and 9Be+12C. In addition to Wint, the EOM includes polarization potentials UD, UF, associated with direct and fusion couplings, respectively. The geometric parameters were obtained (for UD), and the optimization of the corresponding strength parameters was carried out for both polarization potentials using the Sfresco code. A parameterization is obtained, which simultaneously reproduces the experimental data of elastic scattering and fusion cross sections, while the dispersion relation is also satisfied. The influence of this absorptive potential Wint has been described by analyzing its effect on angular distributions and reflection coefficients, as well as inspecting the semi-classical deflection function.
© The Authors, published by EDP Sciences, 2025
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
