Calibration of the Absolute Efficiency of Well-Type NaI(Tl) Scintillation Detector in 0.121–1.408 MeV Energy Range

Table 2

Specifications of the radionuclides.

PTB; Nuclide	Energy; keV	Emission probability; %	Half Life; Days
^152Eu	121.78	28.4	4943.29
	244.69	7.49
	344.28	26.6
	778.90	12.96
	964.13	14.0
	1408.01	20.87
^137Cs	661.66	85.21	11004.98
^60Co	1173.23	99.9	1925.31
	1332.50	99.982