Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2003-08-05
Phys.Lett. B576 (2003) 281-288
Physics
Nuclear Physics
Nuclear Theory
RevTeX4, 6 pages, 4 figures, Accepted to Phys. Lett. B DOI:
Scientific paper
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.
Aoyama Shigeyoshi
Ikeda Kiyomi
Kato Kazuhiro
Myo Takayuki
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