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Doctoral Thesis
DOI
https://doi.org/10.11606/T.43.2016.tde-09112016-105849
Document
Author
Full name
Valdir Brunetti Scarduelli
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2016
Supervisor
Committee
Guimaraes, Valdir (President)
Alvarez, Marcos Aurelio Gonzalez
Deppman, Airton
Linares, Roberto
Shorto, Julian Marco Barbosa
Title in Portuguese
Efeitos de deformação e cluster no estudo de espalhamento elástico dos núcleos 10B e 10C em alvo de 58Ni
Keywords in Portuguese
Acelerador de partículas
Interações nucleares
Reações nucleares
Abstract in Portuguese
Esse trabalho consistiu na medida e análise de distribuições angulares do espalhamento elástico e inelástico para núcleos de massa A=10 em alvos de 58Ni e no desenvolvimento de novos feixes secundários radioativos para o sistema RIBRAS. As distribuições angulares do sistema 10B+58Ni foram medidas nas energias E(lab)= 19, 20, 21, 23, 24, 25 e 35 MeV, no laboratório Tandar na Argentina, enquanto a distribuição angular do sistema 10C+58Ni foi medida na energia E(lab)= 35.3 MeV, utilizando o sistema TWINSOL, da Universidade de Notre Dame, Estados Unidos. O formalismo de canais acoplados foi utilizado para estudar a influência da estrutura deformada do núcleo 10B e da estrutura Bruniana do núcleo 10C. Os resultados indicaram a importância desses efeitos, bem como a possível influência dos canais de transferências e breakup.
Title in English
Deformation and cluster effects in the elastic scattering study of 10B and 10C nuclei in 58Ni target
Keywords in English
Nuclear interactions
Nuclear reaction
Particle accelerator
Abstract in English
This work consisted in the analysis and measurement of angular distributions for elastic and inelastic scattering of mass A=10 projectiles in 58Ni target, as well as in the development of new secondaries radioactive ion beams for the RIBRAS system. Angular distributions for the 10B+58Ni system were measured at E(lab)= 19, 20, 21, 23, 24, 25 and 35 MeV, at Tandar Laboratory in Argentina, while an angular distribution at E(lab)= 35.3 MeV for the 10C+58Ni was measured at the University of Notre Dame, USA, using the Twinsol system. The coupled channel formalism was used to investigate the influence deformed structure of the 10B and Brunian structure for 10C nucleus. The results indicated the importance of these effect as well as the possible influence of transfer and breakup channels. In this work the development of 10C, 14C and 12B beams were investigated for future use in the RIBRAS system.
 
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Tese_Valdir_final.pdf (4.18 Mbytes)
Publishing Date
2016-11-09
 
WARNING: The material described below relates to works resulting from this thesis or dissertation. The contents of these works are the author's responsibility.
  • Camargo, O., et al. The ^{9}Be(^{8}Li,^{9}Be)^{8}Li elastic-transfer reaction [doi:10.1103/PhysRevC.78.034605]. Physical Review. C, Nuclear Physics [online], 2008, vol. 78, p. 034605.
  • Zamora, J., et al. ^{7,9,10}Be elastic scattering and total reaction cross sections on a ^{12}C target [doi:10.1103/PhysRevC.84.034611]. Physical Review. C. Nuclear Physics [online], 2011, vol. 84, p. 034611-1-034611-7.
  • GUIMARÃES, V., et al. Investigation of nucleossynthesis 8Li(n,g)9Li and 8Li(p,g) 9Be capture reactions. In 23rd International Nuclear Physics Conference INPC07 - Tokyo, Tokyo, 2008. Nuclear Physics. A .Amsterdam - New York : Elsevier Science, 2008.
  • GUIMARÃES, V., et al. Transfer Reactions in the Investigation of Light-Nuclei Nucleosynthesis. In XXXII Symposium on Nuclear Physics - Cocoyoc, Cocoyoc - Mexico, 2008. Revista Mexicana de Física.Coyoacán, Mexico : Sociedade Mexicana de Fisica, 2008. Available from: http://rmf.fciencias.unam.mx/pdf/rmf-s/54/.
  • LEPINE-SZILY, A., et al. Recent results with radioactive ion beams in Brasil (RIBRAS) [doi:10.1063/1.4764201]. In NUCLEAR STRUCTURE AND DYNAMICS 2012, Opatija, 2012. AIP Conference Proceedings., 2012.
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