Analytical E1 strength functions of two-neutron halo nuclei: 11-Li and 14-Be

Abstract

An analytical model, recently developed to study the electromagnetic dissociation (EMD) energy spectra of two-neutron halo nuclei, is applied to 11-Li and 14-Be. We find that a reliable set of experimental data on EMD could help to resolve the problem concerning the structure of the 11-Li ground state. For 14-Be we find a mutual inconsistency between the existing experimental data on the binding energy, radius and EMD energy spectrum. We also conclude that the structure of 14-Be is essentially more complicated than the structure of other Borromean two--neutron halo nuclei.

17 pages, 2 figures See also previous paper in Nucl. Phys. A 697(2002)p.639 Revised version posted 020309 with 2 new references and a few revisions

References in corpus (5)

• Nuclear Breakup of Borromean Nuclei
• Three-body halos. V. Computations of continuum spectra for Borromean nuclei
• Analytical E1 strength functions of two-neutron halo nuclei: 11-Li and 14-Be
• Analytical E1 strength functions of two-neutron halo nuclei: the 6-He example
• Three-body Faddeev Calculation for 11Li with Separable Potentials

Cited by in corpus (6)

• Radiative capture and electromagnetic dissociation involving loosely bound nuclei: the ${}^8$B example
• Excitation of soft dipole modes in electron scattering
• Analytical E1 strength functions of two-neutron halo nuclei: 11-Li and 14-Be
• Analytical E1 strength functions of two-neutron halo nuclei: the 6-He example
• Analytical approach to electromagnetic processes in loosely bound nuclei: application to 8B
• Final-state interactions and spin structure in $E1$ breakup of ${}^{1}1$Li in Halo EFT