English

Soft dipole mode in $^{11}$Li and three body continuum

Nuclear Theory 2007-05-23 v1

Abstract

Properties of the neutron rich 11^{11}Li nucleus are calculated in the framework of the cluster model 9^{9}Li +n+n+n+n. The formalism of the harmonic oscillator representation of the scattering theory is used for the description of bound and continuum spectrum states in the three-body-democratic-decay approximation. It is shown that this approach allows one to take into account adequately the long asymptotic tail of the 11^{11}Li wave function ({\em neutron halo}) and to reproduce correctly the binding energy, radius and 11^{11}Li electromagnetic dissociation cross-section on target nuclei. The shape and the energy position of the B(E1)B(E1) peak corresponding to the soft dipole mode are also in agreement with experiment.

Keywords

Cite

@article{arxiv.nucl-th/9407011,
  title  = {Soft dipole mode in $^{11}$Li and three body continuum},
  author = {Yu. A. Lurie and A. M. Shirokov and Yu. F. Smirnov},
  journal= {arXiv preprint arXiv:nucl-th/9407011},
  year   = {2007}
}

Comments

Presented by A.M.Shirokov as a talk at the Conference 'HALO-94' (Copenhagen, January 1994). LaTeX, 13 pages including 3 figures in postscript (40kb Latex file + 130kb postscript files). Latex sources for printing the figures are available from the authors on request