The neutron halo in heavy nuclei calculated with the Gogny force B. Nerlo-Pomorska, K. Pomorski, J. F. Berger and J. Dechargé Eur. Phys. J. A, 8 1 (2000) 19-29 Published online: 15 May 2000 DOI: 10.1007/s10050-000-4502-1