arXiv:nucl-th/0308016·v2·Nuclear Theory
Three-body Coulomb breakup of 11Li in the complex scaling method
T. Myo (1) · S. Aoyama (2) · K. Kato (3) · K. Ikeda (4) ((1) RCNP · Osaka Univ. · (2) Kitami Inst. of Tech. · (3) Hokkaido Univ. · (4) RIKEN)
Abstract
Coulomb breakup strengths of 11Li into a three-body 9Li+n+n system are studied in the complex scaling method. We decompose the transition strengths into the contributions from three-body resonances, two-body ``10Li+n'' and three-body ``9Li+n+n'' continuum states. In the calculated results, we cannot find the dipole resonances with a sharp decay width in 11Li. There is a low energy enhancement in the breakup strength, which is produced by both the two- and three-body continuum states. The enhancement given by the three-body continuum states is found to have a strong connection to the halo structure of 11Li. The calculated breakup strength distribution is compared with the experimental data from MSU, RIKEN and GSI.
Comments: RevTeX4, 6 pages, 4 figures, Accepted to Phys. Lett. B DOI: