A two-component geometrical model for rho production in heavy ion   collisions
  This paper has been withdrawn by the authors, due to issues concerning the use of unpublished experimental data. 
J. Dias de Deus (CENTRA-IST), J. G. Milhano (CENTRA-IST and Dep.   Fisica, Univ. Algarve) and J. Seixas (CFTP-IST and LIP)