1. Graduate Program of Energetic and Nuclear Technologies, Federal University of Pernambuco, Recife, Brazil
2. Universtad Pedagógica y Tecnológica de Colombia, Sede Central Tunja, Boyacá, Colombia
3. Department of Nuclear Energy, Federal University of Pernambuco, Recife, Brazil
4. Department of Mining Engineering, Federal University of Pernambuco, Recife, Brazil