1. Physics Institute, State University of Rio de Janeiro (UERJ), Rio de Janeiro, Brazil;
2. Nuclear Engineering Program, COPPE/Federal University of Rio de Janeiro, Rio de Janeiro, Brazil;
3. Radiological Sciences Department, State University of Rio de Janeiro, Rio de Janeiro, Brazil;
4. Sincrotrone Trieste SCpA, Trieste, Italy;
5. UEZO, State University of West Zone, Rio de Janeiro, Brazil;
6. CNEN, National Nuclear Energy Commission, Rio de Janeiro, Brazil