2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/135078We compare several definitions of the density of a self-bound system, such as a nucleus, in relation with its center-of-mass zero-point motion. A trivial deconvolution relates the internal density to the density defined in the laboratory frame. This result is useful for the practical definition of density functionals.3 pagesNuclear Theorytext