CERN Accelerating science

Article
Title	Optical potentials for alpha particles on heavy nuclei around the Coulomb barrier
Author(s)	Avrigeanu, M (Bucharest, IFIN-HH) ; von Oertzen, W (Freie U., Berlin) ; Obreja, A C (Bucharest, IFIN-HH) ; Roman, F L (Bucharest, IFIN-HH) ; Avrigeanu, V (Bucharest, IFIN-HH)
Publication	2010
In:	12th International Conference on Nuclear Reaction Mechanisms, pp.159-166
Abstract	A previously semi-microscopic analysis of the -particle interaction with 50 A 124 target nuclei at energies from 8 to 50 MeV, based on the Double Folding Model (DFM) for the real part of the optical potential, is extended to heavy nuclei A 132 nuclei. The energy-dependent phenomenological imaginary part of the corresponding semi-microscopic optical model potential was obtained by taking into account also the dispersive correction to the DFM real potential, and used within a concurrent complete phenomenological analysis of the same data basis. Thus, a phenomenological optical potential was also obtained for the above-mentioned target-nuclei mass and energy ranges, while an ultimate assessment of ( , ), ( ,n) and ( ,p) reaction cross sections proves the suitable description of both the low energy elastic-scattering and -particle induced-reaction data.