Primary standardization of 72Ga.
The activity of 72Ga sources produced by irradiation at the IEA-R1 reactor have been performed in a 4pibeta-gamma coincidence system by using the extrapolation technique. The measurements were undertaken selecting two windows in the gamma-channel, in order to check the consistency of the results. A Monte Carlo calculation was performed in order to predict the behavior of the observed activity as a function of the 4pibeta detector efficiency and the results were compared to experimental values.
Instituto de Pesquisas Energéticas e Nucleares (IPEN-CNEN/SP), Centro do Reator de Pesquisas - CRPq, C.P. 11049, Pinheiros, 05422-970 São Paulo, SP, Brazil. koskinas@ipen.br
Marina F
MF
Koskinas
Denise S
DS
Moreira
Mauro N
MN
Takeda
José
J
Antônio Seneda
Mauro S
MS
Dias
D000465:Algorithms; D001938:Brazil; D005710:Gallium Radioisotopes / Q000032:analysis* / Q000592:standards*; D017408:Guidelines as Topic; D011829:Radiation Dosage; D012015:Reference Standards; D012016:Reference Values; D015203:Reproducibility of Results; D012588:Scintillation Counting / Q000379:methods / Q000592:standards*; D012680:Sensitivity and Specificity; D013051:Spectrometry, Gamma / Q000379:methods / Q000592:standards*
D005710:Gallium Radioisotopes