2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/82505The electric dipole response of the halo nucleus $^{11}$Li is calculated in a hyperspherical three-body formulation, and is studied as a function of the interaction employed for $n-^9$Li to reflect the Pauli principle. Strength concentrations at lower energies are found but no narrow resonances. Only one possible scenario of $^{11}$Li structure is in close correspondence with MSU and RIKEN experimental data.9 A4 pages, Latex with psfig, Surrey preprint CNPR93/2Nuclear Theorytext