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Scattering and reactions dynamics induced by secondary radioactive beams

Grant number: 23/16865-2
Support Opportunities:Scholarships in Brazil - Post-Doctoral
Effective date (Start): June 01, 2024
Effective date (End): May 31, 2026
Field of knowledge:Physical Sciences and Mathematics - Physics - Nuclear Physics
Principal Investigator:Rubens Lichtenthäler Filho
Grantee:Uiran Umbelino da Silva
Host Institution: Instituto de Física (IF). Universidade de São Paulo (USP). São Paulo , SP, Brazil

Abstract

The RIBRAS (Radioactive Ion beams in Brazil) system is a unique experimental facility in Brazil to produce secondary beams of light nuclei out of the stability line such as 6He, 7Be, 8Li, 8B, among others. RIBRAS resumed its operation in October 2023, with the cooling of the first solenoid and the installation of the new fully digitized electronic/acquisition system. In October-November/2023, 3 successful experiments were carried out involving 6He and 8Li beams scattered on different targets. In this project, we propose measurements of the scattering of 8B on different targets and energies. The 8B beam is one of the most exotic nuclei that can be produced in RIBRAS and is of great interest in several aspects such as the interacting potential of exotic systems and the reaction mechanism at low energies, involving the competition between processes such as the projectile breakup and proton transfer reactions. This exotic isotope is produced in the reaction 3He(6Li,8B)n, using a 3He gas target. A first experiment involving 8B is already scheduled for February/2024, the gas target is in place and we have 3He gas for the 8B production. Measurements of the 8B+9Be scattering were performed in my doctorate and we intend to extend these measurements to other energies and different targets. (AU)

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