EPJ Web of Conferences
Volume 69, 2014CNR*13 - Fourth International Workshop on Compound Nuclear Reactions and Related Topics
|Number of page(s)||7|
|Published online||01 April 2014|
Spectroscopy of high lying resonances in 9Be produced with radioactive 8Li beams
1 Instituto de Física da Universidade de São Paulo, Caixa Postal 66318, 05315-970, São Paulo, SP, Brazil
2 Instituto de Física - Universidade Federal Fluminense, Niterói,R.J., 24210-340, Brazil
3 Physique Nucléaire Théorique et Physique Mathématique, C.P. 229, Université Libre de Bruxelles (ULB), B 1050 Brussels, Belgium
4 Universidade Federal da Bahia, Salvador, Brazil
5 Universidade Tecnológica Federal do Paraná, Cornélio Procópio, Brazil
6 Universidade Federal de Itajubá, Campus de Itabira, MG., Brazil
7 Centro Brasileiro de Pesquisas Fisicas, CBPF, Rio de Janeiro, RJ, Brazil
8 Universidade Federal de São Paulo, Campus Diadema, SP, Brazil
9 Technische Universität Darmstadt, Germany
10 Instituto de Pesquisas Energéticas e Nucleares (IPEN-CNEN), Comissão Nacional de Energia Nuclear, São Paulo, Brazil
a e-mail: firstname.lastname@example.org
Published online: 1 April 2014
We present the results of the 8Li(p,α)5He and 8Li(p,p)8Li reactions measured at the RIBRAS (Radioactive Ion Beams in Brazil) system. The experiment was realized in inverse kinematics using a thick [CH2]n polyethylene target and an incident 8Li beam, produced by RIBRAS. Using the thick target method, the complete excitation function could be measured between Ecm = 0.2 − 2.1 MeV, which includes the Gamow peak energy region. The excitation function of the 8Li(p,α)5He reaction, populating resonances between 16.888 and 19.0 MeV in 9Be, was obtained and the resonances were fitted using R-matrix calculations. This study shed light on spins, parities, partial widths and isospin values of high lying resonances in 9Be. The measurement of the resonant elastic scattering 8Li(p,p)8Li populating resonances in the same energy region can constrain the resonance parameters. Preliminary results of the elastic scattering are also presented.
© Owned by the authors, published by EDP Sciences, 2014
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