Calibration of a 5x5 NaI(Tl) for Prompt In-Situ Gamma-ray Spectrometry System

Figures & Tables

Radionuclide	No∅(cpsγm−2s−1) {{{N_o}} \over \emptyset}\left({{{cps} \over {\gamma {m^{- 2}}{s^{- 1}}}}} \right)	∅A(γm−2s−1Bqkg−1) {\emptyset \over A}\left({{{\gamma {m^{- 2}}{s^{- 1}}} \over {Bqk{g^{- 1}}}}} \right)	NfNo {{{N_f}} \over {{N_o}}}	NfA(cpsBqkg−1) {{{N_f}} \over A}\left({{{cps} \over {Bqk{g^{- 1}}}}} \right)
⁴⁰K	0.013	0.433	0.895	0.005
²³⁸U	0.008	0.616	1.647	0.008
²³²Th	0.001	1.451	1.045	0.002