EPJ Web of Conferences
Volume 17, 20115th International Conference FUSION11
|Number of page(s)||4|
|Section||Session 16 Posters|
|Published online||19 October 2011|
Effects of the valence neutron of the lithium isotopes in 6,7,8Li+208Pb systems
Department of Physics, Dong-Eui University,
2 Department of Radiological Science, Kangwon National University, Samcheok 245-711, Korea
a e-mail: firstname.lastname@example.org
Using the measured experimental data for 6,7,8Li+208Pb system, we investigated the relation between the interaction distance and the lowest threshold separation energy of the projectiles. Although 6Li can be considered more weakly bound projectile than 8Li, the lithium isotope with the largest interaction distance is not 6Li but 8Li. Also, we can infer that the difference of the semiexperimental direct reaction (DR) cross sections and the total breakup / transfer reaction cross sections comes from α and 7Li capture. Finally, the barrier height, VB , of 8Li + 208Pb system compared with 7Li + 208Pb system are reduced about 3MeV. This is the rise of flux from exp the elastic into the reaction channel, which tends to enhance σRexp . As a result, we can deduce that the valence neutron play a role as the lowering of the barrier height.
© Owned by the authors, published by EDP Sciences, 2011
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