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Investigation of the elastic scattering of 6Li from various targets: 6Li, 12C and 19F

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Author(s):
Matheus Bonfim Angelo
Total Authors: 1
Document type: Master's Dissertation
Press: São Paulo.
Institution: Universidade de São Paulo (USP). Instituto de Física (IF/SBI)
Defense date:
Examining board members:
Valdir Guimaraes; Frederico Antonio Genezini; Barbara Esther da Fonseca Paes Ribeiro
Advisor: Valdir Guimaraes
Abstract

6Li is a weakly bound nucleus with a strong cluster structure given by 4He + d. The use of this nucleus as a projectile, in elastic scattering experiments, allows the study of various phenomena, such as the influence of its cluster structure and the investigation of the consequent effects due to breakup and transfer reactions. In this work we investigated the elastic scattering of the 6Li beam on multiple targets, 6Li, 12C and 19F. The experiment was carried out at energies of Elab = 18.0, 22.0, 23.0 and 24.0 MeV at the TANDAR Laboratory (Argentina). The angular distributions obtained from these elastic scatterings were analyzed in the optical model framework. For the scattering of identical bosonic particles of 6Li + 6Li, we explored the possibility of investigating phenomena such as the Transverse Isotropy (TI) for light nuclei to obtain information about the nuclear interaction. For the elastic scattering of the system 6Li + 19F, the angular distribution obtained at 24.0 MeV was analyzed with the optical model. In the case of the 6Li + 12C elastic scattering, the angular distributions measured at 18.0, 22.0 and 23.0 MeV are unprecedented and were well described with the optical model analysis. We tested previously used potentials from studies at 20.0 and 24.0 MeV, but a good description of the data was found with new potentials derived from this work. (AU)

FAPESP's process: 21/01063-2 - Investigation of the nuclear potential influence in the Mott oscillation in the elastic scattering of identical particles: the 6Li+6Li case
Grantee:Matheus Bonfim Angelo
Support Opportunities: Scholarships in Brazil - Master