(Brazilian,;
Nuclear;
Energy;
Commission),;
Rio;
de;
Janeiro;
22290-901,;
Brazil;
(Nuclear;
Technology;
Development;
CenteO,;
Belo;
Horizonte;
31270-901,;
Brazil;
(Federal;
University;
of;
Rio;
de;
Janeiro),;
Macae;
27930-560,;
Brazil;
(Nuclear;
and;
Energy;
Research;
Institute),;
Sao;
Paulo;
05508-000,;
Brazil;