https://doi.org/10.1140/epja/i2015-15134-8
Regular Article - Theoretical Physics
Investigation of 17F+p elastic scattering at near-barrier energies
1
Physics Department, Assiut University, 71516, Assiut, Egypt
2
Physics Department, Al-Azhar University, 71524, Assiut, Egypt
3
Physics Department, King Khalid University, Abha, Saudi Arabia
4
Physics Department, Taiz University, Taiz, Yemen
* e-mail: awad_ah_eb@hotmail.com
Received:
25
June
2015
Revised:
7
September
2015
Accepted:
27
September
2015
Published online:
29
October
2015
The 17F +p elastic scattering at two near-barrier energies of 3.5 and 4.3 MeV/nucleon, have been analyzed in the framework of the single folding approach. The folded potentials are constructed by folding the density-dependent (DDM3Y) effective nucleon-nucleon interaction over the nuclear density of the one-proton halo nucleus 17F. Two versions of the density are considered. In addition, two versions of the one-nucleon knock-on exchange potentials are introduced to construct the real microscopic potentials. The derived potentials supplemented by phenomenological Woods-Saxon imaginary and spin-orbit potentials produced excellent description of the differential elastic scattering cross sections at the higher energy without need to introduce any renormalization. At the lower energy, however, in order to successfully reproduce the data, it is necessary to reduce the strength of the constructed real DDM3Y potential by about 25% of its original value. Furthermore, good agreement with data is obtained using the extracted microscopic DDM3Y potentials for both real and imaginary parts. Moreover, the interesting notch test is applied to investigate the sensitivity of the elastic scattering cross section to the radial distribution of the constructed microscopic potentials. The extracted reaction (absorption) cross sections are, also, investigated.
© SIF, Springer-Verlag Berlin Heidelberg, 2015